Nabble - jikesrvm-issues

[jira] Subscription: Open RVM Issues

2009-11-11T23:01:57Z

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Filter: Open RVM Issues (200 of 301 issues)
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Key Summary
RVM-868 Method resolution code unable to resolve methods in some cases
http://jira.codehaus.org/browse/RVM-868
RVM-720 Support for JNI helper methods on PowerPC
http://jira.codehaus.org/browse/RVM-720
RVM-713 Enable x87 exceptions to catch badly behaving code
http://jira.codehaus.org/browse/RVM-713
RVM-254 Problems with SSA form: lack of loop unrolling breaks VM
http://jira.codehaus.org/browse/RVM-254
RVM-229 Nightly tests against Classpath CVS head
http://jira.codehaus.org/browse/RVM-229
RVM-873 "NullPointerException within uninterruptible region" when executing RVM in x86_64 debian
http://jira.codehaus.org/browse/RVM-873
RVM-872 lusearch hangs with the production build
http://jira.codehaus.org/browse/RVM-872
RVM-870 Deadlock in RVMThread code
http://jira.codehaus.org/browse/RVM-870
RVM-863 BumpPointer.scanRegion can cause a page fault
http://jira.codehaus.org/browse/RVM-863
RVM-858 GCTrace build failure
http://jira.codehaus.org/browse/RVM-858
RVM-857 Incorrect optimisation after call to native method
http://jira.codehaus.org/browse/RVM-857
RVM-855 Error in XMLParser while loading Document Type Definition (.dtd) file
http://jira.codehaus.org/browse/RVM-855
RVM-853 Protocol handlers do not work with Jikes RVM
http://jira.codehaus.org/browse/RVM-853
RVM-845 Primitive write barrier support
http://jira.codehaus.org/browse/RVM-845
RVM-830 Suspect code in ReflectionBase.invoke
http://jira.codehaus.org/browse/RVM-830
RVM-829 Assertions on invalid 8bit assembler operations
http://jira.codehaus.org/browse/RVM-829
RVM-825 Replay compilation does not account for custom class loaders
http://jira.codehaus.org/browse/RVM-825
RVM-824 integer division doesn't follow VM spec
http://jira.codehaus.org/browse/RVM-824
RVM-822 Improve failure mode for out-of-address-space errors
http://jira.codehaus.org/browse/RVM-822
RVM-816 MMTK: LOG_BYTES_IN_PAGE is a hard coded compile time constant; should make sysCall to determine real value
http://jira.codehaus.org/browse/RVM-816
RVM-809 Image bloat
http://jira.codehaus.org/browse/RVM-809
RVM-799 Use reserve/commit OS rather than mmap as primitive in MMTk for page allocation
http://jira.codehaus.org/browse/RVM-799
RVM-797 PreciseType is set when creating thread temporary registers in the opt compiler
http://jira.codehaus.org/browse/RVM-797
RVM-796 Generalize objectAsThread, objectAsType, etc. magic wih Magic.eatCast
http://jira.codehaus.org/browse/RVM-796
RVM-792 Cattrack mail message header confuses mail readers
http://jira.codehaus.org/browse/RVM-792
RVM-785 handleHandshakeRequest should be called from enterNativeBlockedImpl
http://jira.codehaus.org/browse/RVM-785
RVM-782 Figure out if OSR's use of contextRegisters is correct and/or necessary, given their changed meaning in native threads
http://jira.codehaus.org/browse/RVM-782
RVM-781 GNU Classpath 0.98 causes performance regression in luindex
http://jira.codehaus.org/browse/RVM-781
RVM-780 Figure out why native threads stability is proportional to the number of available processors
http://jira.codehaus.org/browse/RVM-780
RVM-777 Simplify MMTk--VM glue code
http://jira.codehaus.org/browse/RVM-777
RVM-772 Decide what 'available' processors means on native threads
http://jira.codehaus.org/browse/RVM-772
RVM-771 Don't remember array copies (mutator array remset) when both the destination and source are in the mature space
http://jira.codehaus.org/browse/RVM-771
RVM-770 MMTk barrier interface forces inefficient x86 instruction selection
http://jira.codehaus.org/browse/RVM-770
RVM-769 Clean up situation with pre-copy and @NonMoving
http://jira.codehaus.org/browse/RVM-769
RVM-755 Tweaks to optimizing compilation to improve the performance of write barriers
http://jira.codehaus.org/browse/RVM-755
RVM-750 Implement Thread.setPriority
http://jira.codehaus.org/browse/RVM-750
RVM-749 Only allow clean/expected transitions in thread execStatus
http://jira.codehaus.org/browse/RVM-749
RVM-745 Use @Intrinsic annotation to drive matching of magic method to magic code generators
http://jira.codehaus.org/browse/RVM-745
RVM-734 Deadlocks when using -X:aos:initial_compiler=opt
http://jira.codehaus.org/browse/RVM-734
RVM-731 Bad reference in baseline IMT.IMTDict.populateIMT
http://jira.codehaus.org/browse/RVM-731
RVM-730 enabling live_range_splitting causes NullPointerException or NoSuchElementException for various benchmarks
http://jira.codehaus.org/browse/RVM-730
RVM-721 Improve extreme assertion sanity checking in regressions
http://jira.codehaus.org/browse/RVM-721
RVM-719 Failure in Harmony's class library tests
http://jira.codehaus.org/browse/RVM-719
RVM-717 Support for var arg JNI methods on 64bit platforms
http://jira.codehaus.org/browse/RVM-717
RVM-716 Remove all uses of unparameterized types
http://jira.codehaus.org/browse/RVM-716
RVM-711 Support for cycle-accurate simulation
http://jira.codehaus.org/browse/RVM-711
RVM-710 Multiple bugs/crashes on DaCapo while varying command line parameters
http://jira.codehaus.org/browse/RVM-710
RVM-699 Race in reclaiming compiled methods
http://jira.codehaus.org/browse/RVM-699
RVM-692 Classpath Thread operations not supported because VMThreadMXBeanImpl is not implemented
http://jira.codehaus.org/browse/RVM-692
RVM-691 Assertion failure in org/jikesrvm/osr/ia32/OptExecutionStateExtractor
http://jira.codehaus.org/browse/RVM-691
RVM-686 Improve modelling of exceptions in IR
http://jira.codehaus.org/browse/RVM-686
RVM-678 Dynamic linker instructions in data image
http://jira.codehaus.org/browse/RVM-678
RVM-677 Tableswitch performance
http://jira.codehaus.org/browse/RVM-677
RVM-675 Chunk linked list broken on discontiguous space
http://jira.codehaus.org/browse/RVM-675
RVM-670 Bad reference maps in JBB '05
http://jira.codehaus.org/browse/RVM-670
RVM-663 Using object barrier casues sssertion failures in ObjectReferenceDeque.insert & other crashes
http://jira.codehaus.org/browse/RVM-663
RVM-659 Scalar SSA-based optimizations
http://jira.codehaus.org/browse/RVM-659
RVM-658 O2 Loop optimizations
http://jira.codehaus.org/browse/RVM-658
RVM-657 Enable scalar SSA form for HIR/LIR
http://jira.codehaus.org/browse/RVM-657
RVM-656 Re-enable O2 optimizations disabled for stability drive
http://jira.codehaus.org/browse/RVM-656
RVM-649 build failure on PPC OS X 10.5 (Leopard)
http://jira.codehaus.org/browse/RVM-649
RVM-648 Allow promotion into LOS
http://jira.codehaus.org/browse/RVM-648
RVM-647 Allow nursery to be discontiguous
http://jira.codehaus.org/browse/RVM-647
RVM-642 Problem with CMID/stackframe mapping in reflection
http://jira.codehaus.org/browse/RVM-642
RVM-635 Harmony, use the zip cache pool api
http://jira.codehaus.org/browse/RVM-635
RVM-630 Build support for Windows
http://jira.codehaus.org/browse/RVM-630
RVM-626 Objects in SortTODObjectReferenceStack popped from data structure in wrong order, causing Merlin traces to be incorrect
http://jira.codehaus.org/browse/RVM-626
RVM-622 Skipping Harmony classlib building, just copy over deploy/
http://jira.codehaus.org/browse/RVM-622
RVM-620 DaCapo jython fails with Apache Harmony class library
http://jira.codehaus.org/browse/RVM-620
RVM-618 DaCapo chart fails with Apache Harmony class library
http://jira.codehaus.org/browse/RVM-618
RVM-602 OSR bytecodes cause the opt compiler bcIndex to be unintelligible
http://jira.codehaus.org/browse/RVM-602
RVM-601 Make BootImageWriterOutput.txt easily accessible from cattrack
http://jira.codehaus.org/browse/RVM-601
RVM-595 Checks when creating object references in opt compilation
http://jira.codehaus.org/browse/RVM-595
RVM-581 Enable recompilation of Uninterruptible and Unpreemptible code
http://jira.codehaus.org/browse/RVM-581
RVM-577 implement induction variable elimination
http://jira.codehaus.org/browse/RVM-577
RVM-567 Advanced loop transformations
http://jira.codehaus.org/browse/RVM-567
RVM-566 JNI: Implement AttachCurrentThread/DetachCurrentThread
http://jira.codehaus.org/browse/RVM-566
RVM-565 implement JNI_CreateJavaVM
http://jira.codehaus.org/browse/RVM-565
RVM-557 JNI: load libraries should be by classloader, not global
http://jira.codehaus.org/browse/RVM-557
RVM-551 Experiment with object collocation
http://jira.codehaus.org/browse/RVM-551
RVM-549 Initial support for OpenJDK class library
http://jira.codehaus.org/browse/RVM-549
RVM-545 java.lang.instrument support for Harmony
http://jira.codehaus.org/browse/RVM-545
RVM-535 B2 Compiler
http://jira.codehaus.org/browse/RVM-535
RVM-533 Implement generic reflection API in Apache Harmony
http://jira.codehaus.org/browse/RVM-533
RVM-530 Conditional stationary field constraints
http://jira.codehaus.org/browse/RVM-530
RVM-524 Add support for Strings that don't copy their contents to Harmony
http://jira.codehaus.org/browse/RVM-524
RVM-516 Infer pure methods through compiler and bytecode analysis
http://jira.codehaus.org/browse/RVM-516
RVM-509 Move barrier operations into opt compiler HIR
http://jira.codehaus.org/browse/RVM-509
RVM-503 2 types of pure annotation to deal with dead code elimination and exceptions
http://jira.codehaus.org/browse/RVM-503
RVM-496 Use PC relative calls for sysCall and native method invocation
http://jira.codehaus.org/browse/RVM-496
RVM-491 Unsupported operations in javax.imageio
http://jira.codehaus.org/browse/RVM-491
RVM-489 Out-of-memory errors in particular during compiler for scimark benchmarks
http://jira.codehaus.org/browse/RVM-489
RVM-488 Problems with ObjectInputStream
http://jira.codehaus.org/browse/RVM-488
RVM-487 Unexpected exceptions in RSA
http://jira.codehaus.org/browse/RVM-487
RVM-486 Support 21bit keys in AES crypto
http://jira.codehaus.org/browse/RVM-486
RVM-485 Implement BigDecimal.divide(BigDecimal, MathContext)
http://jira.codehaus.org/browse/RVM-485
RVM-484 Fix SPEC jvm 2008
http://jira.codehaus.org/browse/RVM-484
RVM-475 Move to a workqueue for performance regressions
http://jira.codehaus.org/browse/RVM-475
RVM-473 Improved sparklines
http://jira.codehaus.org/browse/RVM-473
RVM-461 Immix code still messy
http://jira.codehaus.org/browse/RVM-461
RVM-448 Add non-nullness information to register operands
http://jira.codehaus.org/browse/RVM-448
RVM-446 Investigate performance regression in Compress
http://jira.codehaus.org/browse/RVM-446
RVM-444 BasicBlock.mergeFallThrough is overly conservative with exception handlers
http://jira.codehaus.org/browse/RVM-444
RVM-438 Barriers within critical VM code
http://jira.codehaus.org/browse/RVM-438
RVM-436 Improvements to Random number generation
http://jira.codehaus.org/browse/RVM-436
RVM-432 Fix GNU classpath build on x86_64
http://jira.codehaus.org/browse/RVM-432
RVM-419 Simple elision of write barriers based on escape analysis
http://jira.codehaus.org/browse/RVM-419
RVM-418 Add breadcrumbs to our unity front page
http://jira.codehaus.org/browse/RVM-418
RVM-415 Better abstraction and identification of helpers
http://jira.codehaus.org/browse/RVM-415
RVM-413 Long running tests using development/extreme assertion configurations
http://jira.codehaus.org/browse/RVM-413
RVM-407 Is VM.disableGC() deprecated?
http://jira.codehaus.org/browse/RVM-407
RVM-405 Improve modularity of major functions within the RVM
http://jira.codehaus.org/browse/RVM-405
RVM-404 New loop unrolling optimizations
http://jira.codehaus.org/browse/RVM-404
RVM-403 Implement the Baker garbage collector
http://jira.codehaus.org/browse/RVM-403
RVM-401 Implement the Compressor garbage collector
http://jira.codehaus.org/browse/RVM-401
RVM-400 Implement on-the-fly garbage collectors
http://jira.codehaus.org/browse/RVM-400
RVM-399 Separate Heap For VM objects
http://jira.codehaus.org/browse/RVM-399
RVM-398 DaCapo 10 iteration lusearch stack walking is significant proportion of runtime (>13%)
http://jira.codehaus.org/browse/RVM-398
RVM-393 Use Inline.When to control inlining within MMTk
http://jira.codehaus.org/browse/RVM-393
RVM-389 Unable to search cattrack
http://jira.codehaus.org/browse/RVM-389
RVM-388 Improved GC visualization
http://jira.codehaus.org/browse/RVM-388
RVM-386 Calling runtime methods doesn't effect the stack overflow check, the stack overflow region seems large (64kb)
http://jira.codehaus.org/browse/RVM-386
RVM-382 Integration of Jikes RVM and JNODE
http://jira.codehaus.org/browse/RVM-382
RVM-373 Support for BrandWeg as a class library
http://jira.codehaus.org/browse/RVM-373
RVM-363 Improve the speed of cat track's graphs
http://jira.codehaus.org/browse/RVM-363
RVM-341 Improved copying in VM_Memory
http://jira.codehaus.org/browse/RVM-341
RVM-334 Send SIGQUIT before terminating process in timedrun
http://jira.codehaus.org/browse/RVM-334
RVM-324 Implement class unloading
http://jira.codehaus.org/browse/RVM-324
RVM-306 IGNORE_REMSETS is not tested, may not be functional
http://jira.codehaus.org/browse/RVM-306
RVM-294 JikesRVM fails to build using a Classpath VM
http://jira.codehaus.org/browse/RVM-294
RVM-292 Bloat performance
http://jira.codehaus.org/browse/RVM-292
RVM-290 Refactor object model so that status word (int) bits are used more intelligently
http://jira.codehaus.org/browse/RVM-290
RVM-289 64bit object model wastes space with array length and status word
http://jira.codehaus.org/browse/RVM-289
RVM-287 Too many space comparison checks in GC code
http://jira.codehaus.org/browse/RVM-287
RVM-263 Compressed references
http://jira.codehaus.org/browse/RVM-263
RVM-251 Extend opt compiler to use pc-relative calls
http://jira.codehaus.org/browse/RVM-251
RVM-250 GC of compiled code that may be the target of a PC-relative call
http://jira.codehaus.org/browse/RVM-250
RVM-248 Build runtime system mechanisms for patching pc-relative calls that target obsolete compiled code
http://jira.codehaus.org/browse/RVM-248
RVM-247 Augment IA32 Baseline compiler to use pc-relative calls for dynamically generated code.
http://jira.codehaus.org/browse/RVM-247
RVM-246 Use PC relative calls for statically resolvable targets
http://jira.codehaus.org/browse/RVM-246
RVM-241 Consider cost of FP compare when performing branch optimizations, flipCode...
http://jira.codehaus.org/browse/RVM-241
RVM-239 Restructuring of how compiler phases are organized, use of pre/post conditions
http://jira.codehaus.org/browse/RVM-239
RVM-238 Late resolution of reflected types
http://jira.codehaus.org/browse/RVM-238
RVM-235 Support for srtictfp
http://jira.codehaus.org/browse/RVM-235
RVM-232 Need to include check for physical memory in determining whether to collect
http://jira.codehaus.org/browse/RVM-232
RVM-228 Turn off bounds checks and null checks in uninterruptible code
http://jira.codehaus.org/browse/RVM-228
RVM-227 Need more scalable global page free list
http://jira.codehaus.org/browse/RVM-227
RVM-192 Investigate the performance of String interning
http://jira.codehaus.org/browse/RVM-192
RVM-190 Structure of org.jikesrvm.memorymanagers.mminterface.Selected is blocking compile time folding of static final booleans
http://jira.codehaus.org/browse/RVM-190
RVM-188 BURS in the DaCapo Jython benchmark is more expensive than normal
http://jira.codehaus.org/browse/RVM-188
RVM-174 Reduce/remove use of ArchitectureSpecific
http://jira.codehaus.org/browse/RVM-174
RVM-169 Initial X86 64 support
http://jira.codehaus.org/browse/RVM-169
RVM-162 Remove x87 code generation from opt compiler.
http://jira.codehaus.org/browse/RVM-162
RVM-160 Performance investigation: trivial loop structures result in major performance differences
http://jira.codehaus.org/browse/RVM-160
RVM-158 Add into our testing infrastructure the mauve test suite
http://jira.codehaus.org/browse/RVM-158
RVM-152 Bytecode verifier
http://jira.codehaus.org/browse/RVM-152
RVM-151 OutOfMemory exceptions should indicate which space was exhausted
http://jira.codehaus.org/browse/RVM-151
RVM-149 Move creation of BootImage object to after creation of boot image objects
http://jira.codehaus.org/browse/RVM-149
RVM-137 Checkcast setting of register type
http://jira.codehaus.org/browse/RVM-137
RVM-134 Make register operand register and type fields private
http://jira.codehaus.org/browse/RVM-134
RVM-127 Implement the VM interfaces for the management beans
http://jira.codehaus.org/browse/RVM-127
RVM-118 Javadoc errors not being reported in sanity reports
http://jira.codehaus.org/browse/RVM-118
RVM-116 Solve/remove comments in ScanThread
http://jira.codehaus.org/browse/RVM-116
RVM-103 Add failure analysis to reports
http://jira.codehaus.org/browse/RVM-103
RVM-95 Switch to building Classpath with javac (stop download of ecj?)
http://jira.codehaus.org/browse/RVM-95
RVM-86 Display Statistically significant changes in statistics in nightly report
http://jira.codehaus.org/browse/RVM-86
RVM-84 VM_JNIFunctions should be generated from a DSL
http://jira.codehaus.org/browse/RVM-84
RVM-79 Dump all registers on a fault on Intel
http://jira.codehaus.org/browse/RVM-79
RVM-74 No special case for space in traceObject
http://jira.codehaus.org/browse/RVM-74
RVM-50 Remove synchronization in Field/MemberReference resolve
http://jira.codehaus.org/browse/RVM-50
RVM-41 Homogenize basic IO methods (usually used during debugging and reporting)
http://jira.codehaus.org/browse/RVM-41
RVM-40 Homogenize Susbsystem Reports
http://jira.codehaus.org/browse/RVM-40
RVM-39 Generate VM_Entrypoints from annotations
http://jira.codehaus.org/browse/RVM-39
RVM-28 Periodically truncate, delete or archive stale data
http://jira.codehaus.org/browse/RVM-28
RVM-12 Tighten bounds in InlineAllocation test
http://jira.codehaus.org/browse/RVM-12
RVM-865 Run svn with LANG=C in extract-svn-version
http://jira.codehaus.org/browse/RVM-865
RVM-862 2 static fields using an identic slot
http://jira.codehaus.org/browse/RVM-862
RVM-861 Refactor bulkCopy optimisations for RVMArray arraycopy's
http://jira.codehaus.org/browse/RVM-861
RVM-849 OOM in opt compiler compiling java.lang.Integer.toString in Harmony M10
http://jira.codehaus.org/browse/RVM-849
RVM-823 Fix heap growth manager's reporting of heap size
http://jira.codehaus.org/browse/RVM-823
RVM-820 First iteration of lusearch slowed down between r15685 and r15688 (biased locking)
http://jira.codehaus.org/browse/RVM-820
RVM-815 Cleaner fix to avoid optimizing through final fields that are known to be modified via native code
http://jira.codehaus.org/browse/RVM-815
RVM-812 Increase in failures in small heap perf runs since switch to GenImmix as production
http://jira.codehaus.org/browse/RVM-812
RVM-810 Add cattrack ui to allow authenticated users to upload local test-run files to import/compare against relevant nightly runs.
http://jira.codehaus.org/browse/RVM-810
RVM-805 Pretty printing application stacks
http://jira.codehaus.org/browse/RVM-805
RVM-793 Improve tracing support in RVMThread
http://jira.codehaus.org/browse/RVM-793
RVM-747 Crash during GC while attempting to resize thread stack
http://jira.codehaus.org/browse/RVM-747
RVM-728 Design a mechanism to make it clear which options are internal vs. valid to be set from the command line
http://jira.codehaus.org/browse/RVM-728
RVM-705 Interpret native stack frames using libbfd
http://jira.codehaus.org/browse/RVM-705
RVM-695 Need to better account for virtual memory constraints
http://jira.codehaus.org/browse/RVM-695
RVM-681 Regression tests for MMTk Test Harness
http://jira.codehaus.org/browse/RVM-681
RVM-665 Investigate sigstack/sigaltstack story
http://jira.codehaus.org/browse/RVM-665
RVM-661 ObjectReferenceDeque can return null while isEmpty() is false.
http://jira.codehaus.org/browse/RVM-661
RVM-653 Remove nursery lists from LOS code
http://jira.codehaus.org/browse/RVM-653
RVM-629 Incorrect usage of @Untraced?
http://jira.codehaus.org/browse/RVM-629
RVM-611 Locality improvements via online object reordering (Huang et al OOPSLA 2004)
http://jira.codehaus.org/browse/RVM-611
RVM-586 ArrayIndexOutOfBoundsException in GCSpy
http://jira.codehaus.org/browse/RVM-586
RVM-579 Simplify operations based on # of bits (in int values)
http://jira.codehaus.org/browse/RVM-579
RVM-578 Enhance frequency estimation using Annotated LST
http://jira.codehaus.org/browse/RVM-578
RVM-576 Only buy stackframe in trivial leaf methods if a yieldpoint is actually taken
http://jira.codehaus.org/browse/RVM-576

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[jira] Created: (RVM-873) "NullPointerException within uninterruptible region" when executing RVM in x86_64 debian

2009-11-10T07:58:55Z

"NullPointerException within uninterruptible region" when executing RVM in x86_64 debian
----------------------------------------------------------------------------------------

Key: RVM-873
URL: http://jira.codehaus.org/browse/RVM-873
Project: RVM
Issue Type: Bug
Components: Runtime
Affects Versions: 3.1.0
Environment: OS: Debian Linux 2.6.26-2-amd64; Hardware:SunFire x4600; JikesRVM build in x86_64-linux
Reporter: Ricardo Dias

This exception is thrown right after the execution of RVM. (T is a class file.)
I built Jikes with host and target as x86_64-linux and config as BaseBaseNoGC

./dist/BaseBaseNoGC_x86_64_m64-linux/rvm T

Fatal error: NullPointerException within uninterruptible region.
Exiting virtual machine due to uninterruptibility violation.
Thread #1
-- Stack --
at [0x0000000061c2a258, 0x000000006437bac9] Lorg/jikesrvm/VM; sysFail(Ljava/lang/String;)V at line 2275
at [0x0000000061c2a2d0, 0x00000000640ccdb8] Lorg/jikesrvm/runtime/RuntimeEntrypoints; deliverHardwareException(II)V at line 722
at [0x0000000061c2a308, 0x00000000640ccdb8] <hardware trap>
at [0x0000000061c331fc, 0x000000006430d185] Lorg/jikesrvm/runtime/StackTrace; countFramesUninterruptible(Lorg/jikesrvm/scheduler/RVMThread;)I at line 179
at [0x0000000061c3325c, 0x0000000064325e0a] Lorg/jikesrvm/runtime/StackTrace; <init>()V at line 78
at [0x0000000061c332a4, 0x00000000640d00df] Ljava/lang/VMThrowable; fillInStackTrace(Ljava/lang/Throwable;)Ljava/lang/VMThrowable; at line 49
at [0x0000000061c332e4, 0x0000000064360421] Ljava/lang/Throwable; fillInStackTrace()Ljava/lang/Throwable; at line 498
at [0x0000000061c33324, 0x000000006435ff66] Ljava/lang/Throwable; <init>(Ljava/lang/String;)V at line 159
at [0x0000000061c3336c, 0x000000006435fdae] Ljava/lang/Exception; <init>(Ljava/lang/String;)V at line 78
at [0x0000000061c333b4, 0x000000007081c907] Ljava/io/IOException; <init>(Ljava/lang/String;)V at line 72
at [0x0000000061c33404, 0x0000000064263b11] Lorg/jikesrvm/classloader/ReflectionBase$$Reflect4257; invokeInternal(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
at [0x0000000061c33474, 0x00000000642a7c73] Lorg/jikesrvm/runtime/ReflectionBase; invoke(Lorg/jikesrvm/classloader/RVMMethod;Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object; at line 180
at [0x0000000061c334e4, 0x000000006427aac4] Lorg/jikesrvm/runtime/Reflection; invoke(Lorg/jikesrvm/classloader/RVMMethod;Lorg/jikesrvm/runtime/ReflectionBase;Ljava/lang/Object;[Ljava/lang/Object;Z)Ljava/lang/Object; at line 74
at [0x0000000061c33574, 0x00000000640b9e8b] Ljava/lang/reflect/VMCommonLibrarySupport; construct(Lorg/jikesrvm/classloader/RVMMethod;Ljava/lang/reflect/Constructor;[Ljava/lang/Object;Lorg/jikesrvm/classloader/RVMClass;Lorg/jikesrvm/runtime/ReflectionBase;)Ljava/lang/Object; at line 436
at [0x0000000061c335dc, 0x00000000640b8dca] Ljava/lang/reflect/VMConstructor; construct([Ljava/lang/Object;Ljava/lang/reflect/Constructor;)Ljava/lang/Object; at line 87
at [0x0000000061c3362c, 0x00000000642e1ff4] Ljava/lang/reflect/Constructor; newInstance([Ljava/lang/Object;)Ljava/lang/Object; at line 317
at [0x0000000061c336cc, 0x00007f4fa05499be] Lorg/jikesrvm/jni/JNIFunctions; ThrowNew(Lorg/jikesrvm/jni/JNIEnvironment;ILorg/vmmagic/unboxed/Address;)I at line 297
at [0x0000000061c3374c, 0x00000000640376f2] <native frame>
at [0x0000000061c337a4, 0x0000000064311a33] Lgnu/java/nio/VMChannel; openFile(Ljava/lang/String;I)V at line 736
at [0x0000000061c33804, 0x00000000643117ed] Lgnu/java/nio/FileChannelImpl; <init>(Ljava/io/File;I)V at line 151
at [0x0000000061c3385c, 0x00000000642b551a] Lgnu/java/nio/FileChannelImpl; create(Ljava/io/File;I)Lgnu/java/nio/FileChannelImpl; at line 141
at [0x0000000061c338c4, 0x00000000640bf8b7] Ljava/io/FileInputStream; <init>(Ljava/io/File;)V at line 113
at [0x0000000061c33924, 0x00000000640bf220] Lgnu/java/net/protocol/file/Connection; connect()V at line 199
at [0x0000000061c3395c, 0x0000000064023670] Lgnu/java/net/protocol/file/Connection; getInputStream()Ljava/io/InputStream; at line 259
at [0x0000000061c33994, 0x0000000064220def] Ljava/net/URL; openStream()Ljava/io/InputStream; at line 737
at [0x0000000061c339ec, 0x00000000642bc9a1] Ljava/util/logging/LogManager; readConfiguration()V at line 507
at [0x0000000061c33a2c, 0x00000000642bcb38] Ljava/util/logging/LogManager; initLogManager()V at line 203
at [0x0000000061c33a54, 0x000000006431bc94] Ljava/util/logging/LogManager; getLogManager()Ljava/util/logging/LogManager; at line 168
at [0x0000000061c33ab4, 0x000000006431c015] Ljava/util/logging/Logger; getLogger(Ljava/lang/String;Ljava/lang/String;)Ljava/util/logging/Logger; at line 252
at [0x0000000061c33af4, 0x000000006423cdf2] Ljava/util/logging/Logger; getLogger(Ljava/lang/String;)Ljava/util/logging/Logger; at line 211
at [0x0000000061c33b2c, 0x000000006430a3b0] Ljava/util/logging/Logger$1; run()Ljava/lang/Object; at line 94
at [0x0000000061c33b74, 0x000000007081b5c5] Ljava/security/AccessController; doPrivileged(Ljava/security/PrivilegedAction;)Ljava/lang/Object; at line 96
at [0x0000000061c33ba4, 0x000000006438878f] Ljava/util/logging/Logger; <clinit>()V at line 90
at [0x0000000061c33c04, 0x000000006438911a] Lorg/jikesrvm/VM; runClassInitializer(Ljava/lang/String;)V at line 545
at [0x0000000061c33c44, 0x0000000064389565] Lorg/jikesrvm/VM; finishBooting()V at line 409
at [0x0000000061c33c74, 0x0000000000408a94] Lorg/jikesrvm/VM; boot()V at line 145
at [0x0000000061c33c90, 0x0000000061b8ea00] <native frame>
Bogus looking frame pointer: 0xdeadbabeffffffff end of stack dump

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[jira] Created: (RVM-872) lusearch hangs with the production build

2009-11-10T06:49:55Z

lusearch hangs with the production build
----------------------------------------

Key: RVM-872
URL: http://jira.codehaus.org/browse/RVM-872
Project: RVM
Issue Type: Bug
Components: MMTk: GenCopy
Affects Versions: 3.1.0
Environment: Ubuntu linux 8.10 IA32
Reporter: Dingwen Yuan

I have run the lusearch with GenCopy production build for two times(two invocations with each one run). The maximum heap size is 60M. The first time the benchmark passed without problem. But for the second time, the benchmark hangs without any error message. I suspect the problem may have something to do with GenCopy.

The following is the trace:

start time: Tue Nov 10 15:36:30 CET 2009
Command executed(1 x): /work/jikesrvm-3.1.0-original/dist/production_ia32-linux/rvm -Xmx60M -jar lib/dacapo-2006-10-MR2.jar -s default -n 1 -c MMTkCallback lusearch
===== DaCapo lusearch starting =====
4 query batches completed
8 query batches completed
12 query batches completed
16 query batches completed
20 query batches completed
24 query batches completed
28 query batches completed
32 query batches completed
============================ MMTk Statistics Totals ============================
GC refType scan finalize prepare precopy stacks root forwardrelease init finish majorGC majorGCTime time.mu time.gc perf.mu perf.gc
452 10.22 1105.69 3.21 13.39 16.56 214.44 349.54 0.00 5.96 6.60 3.97 9 731.17 16135.53 1749.66 0 0
Total time: 17885.20 ms
------------------------------ End MMTk Statistics -----------------------------
===== DaCapo lusearch PASSED in 17885 msec =====
end time: Tue Nov 10 15:37:00 CET 2009
start time: Tue Nov 10 15:37:45 CET 2009
Command executed(1 x): /work/jikesrvm-3.1.0-original/dist/production_ia32-linux/rvm -Xmx60M -jar lib/dacapo-2006-10-MR2.jar -s default -n 1 -c MMTkCallback lusearch
===== DaCapo lusearch starting =====
hangs.....

The CPU info:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 14
model name : Genuine Intel(R) CPU T1300 @ 1.66GHz
stepping : 8
cpu MHz : 1000.000
cache size : 2048 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx constant_tsc up arch_perfmon bts pni monitor vmx est tm2 xtpr
bogomips : 3324.96
clflush size : 64
power management:

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[jira] Subscription: Open RVM Issues

2009-11-04T23:00:56Z

Issue Subscription
Filter: Open RVM Issues (200 of 299 issues)
Subscriber: rvm_notifier

Key Summary
RVM-868 Method resolution code unable to resolve methods in some cases
http://jira.codehaus.org/browse/RVM-868
RVM-720 Support for JNI helper methods on PowerPC
http://jira.codehaus.org/browse/RVM-720
RVM-713 Enable x87 exceptions to catch badly behaving code
http://jira.codehaus.org/browse/RVM-713
RVM-254 Problems with SSA form: lack of loop unrolling breaks VM
http://jira.codehaus.org/browse/RVM-254
RVM-229 Nightly tests against Classpath CVS head
http://jira.codehaus.org/browse/RVM-229
RVM-870 Deadlock in RVMThread code
http://jira.codehaus.org/browse/RVM-870
RVM-863 BumpPointer.scanRegion can cause a page fault
http://jira.codehaus.org/browse/RVM-863
RVM-858 GCTrace build failure
http://jira.codehaus.org/browse/RVM-858
RVM-857 Incorrect optimisation after call to native method
http://jira.codehaus.org/browse/RVM-857
RVM-855 Error in XMLParser while loading Document Type Definition (.dtd) file
http://jira.codehaus.org/browse/RVM-855
RVM-853 Protocol handlers do not work with Jikes RVM
http://jira.codehaus.org/browse/RVM-853
RVM-845 Primitive write barrier support
http://jira.codehaus.org/browse/RVM-845
RVM-830 Suspect code in ReflectionBase.invoke
http://jira.codehaus.org/browse/RVM-830
RVM-829 Assertions on invalid 8bit assembler operations
http://jira.codehaus.org/browse/RVM-829
RVM-825 Replay compilation does not account for custom class loaders
http://jira.codehaus.org/browse/RVM-825
RVM-824 integer division doesn't follow VM spec
http://jira.codehaus.org/browse/RVM-824
RVM-822 Improve failure mode for out-of-address-space errors
http://jira.codehaus.org/browse/RVM-822
RVM-816 MMTK: LOG_BYTES_IN_PAGE is a hard coded compile time constant; should make sysCall to determine real value
http://jira.codehaus.org/browse/RVM-816
RVM-809 Image bloat
http://jira.codehaus.org/browse/RVM-809
RVM-799 Use reserve/commit OS rather than mmap as primitive in MMTk for page allocation
http://jira.codehaus.org/browse/RVM-799
RVM-797 PreciseType is set when creating thread temporary registers in the opt compiler
http://jira.codehaus.org/browse/RVM-797
RVM-796 Generalize objectAsThread, objectAsType, etc. magic wih Magic.eatCast
http://jira.codehaus.org/browse/RVM-796
RVM-792 Cattrack mail message header confuses mail readers
http://jira.codehaus.org/browse/RVM-792
RVM-785 handleHandshakeRequest should be called from enterNativeBlockedImpl
http://jira.codehaus.org/browse/RVM-785
RVM-782 Figure out if OSR's use of contextRegisters is correct and/or necessary, given their changed meaning in native threads
http://jira.codehaus.org/browse/RVM-782
RVM-781 GNU Classpath 0.98 causes performance regression in luindex
http://jira.codehaus.org/browse/RVM-781
RVM-780 Figure out why native threads stability is proportional to the number of available processors
http://jira.codehaus.org/browse/RVM-780
RVM-777 Simplify MMTk--VM glue code
http://jira.codehaus.org/browse/RVM-777
RVM-772 Decide what 'available' processors means on native threads
http://jira.codehaus.org/browse/RVM-772
RVM-771 Don't remember array copies (mutator array remset) when both the destination and source are in the mature space
http://jira.codehaus.org/browse/RVM-771
RVM-770 MMTk barrier interface forces inefficient x86 instruction selection
http://jira.codehaus.org/browse/RVM-770
RVM-769 Clean up situation with pre-copy and @NonMoving
http://jira.codehaus.org/browse/RVM-769
RVM-755 Tweaks to optimizing compilation to improve the performance of write barriers
http://jira.codehaus.org/browse/RVM-755
RVM-750 Implement Thread.setPriority
http://jira.codehaus.org/browse/RVM-750
RVM-749 Only allow clean/expected transitions in thread execStatus
http://jira.codehaus.org/browse/RVM-749
RVM-745 Use @Intrinsic annotation to drive matching of magic method to magic code generators
http://jira.codehaus.org/browse/RVM-745
RVM-734 Deadlocks when using -X:aos:initial_compiler=opt
http://jira.codehaus.org/browse/RVM-734
RVM-731 Bad reference in baseline IMT.IMTDict.populateIMT
http://jira.codehaus.org/browse/RVM-731
RVM-730 enabling live_range_splitting causes NullPointerException or NoSuchElementException for various benchmarks
http://jira.codehaus.org/browse/RVM-730
RVM-721 Improve extreme assertion sanity checking in regressions
http://jira.codehaus.org/browse/RVM-721
RVM-719 Failure in Harmony's class library tests
http://jira.codehaus.org/browse/RVM-719
RVM-717 Support for var arg JNI methods on 64bit platforms
http://jira.codehaus.org/browse/RVM-717
RVM-716 Remove all uses of unparameterized types
http://jira.codehaus.org/browse/RVM-716
RVM-711 Support for cycle-accurate simulation
http://jira.codehaus.org/browse/RVM-711
RVM-710 Multiple bugs/crashes on DaCapo while varying command line parameters
http://jira.codehaus.org/browse/RVM-710
RVM-699 Race in reclaiming compiled methods
http://jira.codehaus.org/browse/RVM-699
RVM-692 Classpath Thread operations not supported because VMThreadMXBeanImpl is not implemented
http://jira.codehaus.org/browse/RVM-692
RVM-691 Assertion failure in org/jikesrvm/osr/ia32/OptExecutionStateExtractor
http://jira.codehaus.org/browse/RVM-691
RVM-686 Improve modelling of exceptions in IR
http://jira.codehaus.org/browse/RVM-686
RVM-678 Dynamic linker instructions in data image
http://jira.codehaus.org/browse/RVM-678
RVM-677 Tableswitch performance
http://jira.codehaus.org/browse/RVM-677
RVM-675 Chunk linked list broken on discontiguous space
http://jira.codehaus.org/browse/RVM-675
RVM-670 Bad reference maps in JBB '05
http://jira.codehaus.org/browse/RVM-670
RVM-663 Using object barrier casues sssertion failures in ObjectReferenceDeque.insert & other crashes
http://jira.codehaus.org/browse/RVM-663
RVM-659 Scalar SSA-based optimizations
http://jira.codehaus.org/browse/RVM-659
RVM-658 O2 Loop optimizations
http://jira.codehaus.org/browse/RVM-658
RVM-657 Enable scalar SSA form for HIR/LIR
http://jira.codehaus.org/browse/RVM-657
RVM-656 Re-enable O2 optimizations disabled for stability drive
http://jira.codehaus.org/browse/RVM-656
RVM-649 build failure on PPC OS X 10.5 (Leopard)
http://jira.codehaus.org/browse/RVM-649
RVM-648 Allow promotion into LOS
http://jira.codehaus.org/browse/RVM-648
RVM-647 Allow nursery to be discontiguous
http://jira.codehaus.org/browse/RVM-647
RVM-642 Problem with CMID/stackframe mapping in reflection
http://jira.codehaus.org/browse/RVM-642
RVM-635 Harmony, use the zip cache pool api
http://jira.codehaus.org/browse/RVM-635
RVM-630 Build support for Windows
http://jira.codehaus.org/browse/RVM-630
RVM-626 Objects in SortTODObjectReferenceStack popped from data structure in wrong order, causing Merlin traces to be incorrect
http://jira.codehaus.org/browse/RVM-626
RVM-622 Skipping Harmony classlib building, just copy over deploy/
http://jira.codehaus.org/browse/RVM-622
RVM-620 DaCapo jython fails with Apache Harmony class library
http://jira.codehaus.org/browse/RVM-620
RVM-618 DaCapo chart fails with Apache Harmony class library
http://jira.codehaus.org/browse/RVM-618
RVM-602 OSR bytecodes cause the opt compiler bcIndex to be unintelligible
http://jira.codehaus.org/browse/RVM-602
RVM-601 Make BootImageWriterOutput.txt easily accessible from cattrack
http://jira.codehaus.org/browse/RVM-601
RVM-595 Checks when creating object references in opt compilation
http://jira.codehaus.org/browse/RVM-595
RVM-581 Enable recompilation of Uninterruptible and Unpreemptible code
http://jira.codehaus.org/browse/RVM-581
RVM-577 implement induction variable elimination
http://jira.codehaus.org/browse/RVM-577
RVM-567 Advanced loop transformations
http://jira.codehaus.org/browse/RVM-567
RVM-566 JNI: Implement AttachCurrentThread/DetachCurrentThread
http://jira.codehaus.org/browse/RVM-566
RVM-565 implement JNI_CreateJavaVM
http://jira.codehaus.org/browse/RVM-565
RVM-557 JNI: load libraries should be by classloader, not global
http://jira.codehaus.org/browse/RVM-557
RVM-551 Experiment with object collocation
http://jira.codehaus.org/browse/RVM-551
RVM-549 Initial support for OpenJDK class library
http://jira.codehaus.org/browse/RVM-549
RVM-545 java.lang.instrument support for Harmony
http://jira.codehaus.org/browse/RVM-545
RVM-535 B2 Compiler
http://jira.codehaus.org/browse/RVM-535
RVM-533 Implement generic reflection API in Apache Harmony
http://jira.codehaus.org/browse/RVM-533
RVM-530 Conditional stationary field constraints
http://jira.codehaus.org/browse/RVM-530
RVM-524 Add support for Strings that don't copy their contents to Harmony
http://jira.codehaus.org/browse/RVM-524
RVM-516 Infer pure methods through compiler and bytecode analysis
http://jira.codehaus.org/browse/RVM-516
RVM-509 Move barrier operations into opt compiler HIR
http://jira.codehaus.org/browse/RVM-509
RVM-503 2 types of pure annotation to deal with dead code elimination and exceptions
http://jira.codehaus.org/browse/RVM-503
RVM-496 Use PC relative calls for sysCall and native method invocation
http://jira.codehaus.org/browse/RVM-496
RVM-491 Unsupported operations in javax.imageio
http://jira.codehaus.org/browse/RVM-491
RVM-489 Out-of-memory errors in particular during compiler for scimark benchmarks
http://jira.codehaus.org/browse/RVM-489
RVM-488 Problems with ObjectInputStream
http://jira.codehaus.org/browse/RVM-488
RVM-487 Unexpected exceptions in RSA
http://jira.codehaus.org/browse/RVM-487
RVM-486 Support 21bit keys in AES crypto
http://jira.codehaus.org/browse/RVM-486
RVM-485 Implement BigDecimal.divide(BigDecimal, MathContext)
http://jira.codehaus.org/browse/RVM-485
RVM-484 Fix SPEC jvm 2008
http://jira.codehaus.org/browse/RVM-484
RVM-475 Move to a workqueue for performance regressions
http://jira.codehaus.org/browse/RVM-475
RVM-473 Improved sparklines
http://jira.codehaus.org/browse/RVM-473
RVM-461 Immix code still messy
http://jira.codehaus.org/browse/RVM-461
RVM-448 Add non-nullness information to register operands
http://jira.codehaus.org/browse/RVM-448
RVM-446 Investigate performance regression in Compress
http://jira.codehaus.org/browse/RVM-446
RVM-444 BasicBlock.mergeFallThrough is overly conservative with exception handlers
http://jira.codehaus.org/browse/RVM-444
RVM-438 Barriers within critical VM code
http://jira.codehaus.org/browse/RVM-438
RVM-436 Improvements to Random number generation
http://jira.codehaus.org/browse/RVM-436
RVM-432 Fix GNU classpath build on x86_64
http://jira.codehaus.org/browse/RVM-432
RVM-419 Simple elision of write barriers based on escape analysis
http://jira.codehaus.org/browse/RVM-419
RVM-418 Add breadcrumbs to our unity front page
http://jira.codehaus.org/browse/RVM-418
RVM-415 Better abstraction and identification of helpers
http://jira.codehaus.org/browse/RVM-415
RVM-413 Long running tests using development/extreme assertion configurations
http://jira.codehaus.org/browse/RVM-413
RVM-407 Is VM.disableGC() deprecated?
http://jira.codehaus.org/browse/RVM-407
RVM-405 Improve modularity of major functions within the RVM
http://jira.codehaus.org/browse/RVM-405
RVM-404 New loop unrolling optimizations
http://jira.codehaus.org/browse/RVM-404
RVM-403 Implement the Baker garbage collector
http://jira.codehaus.org/browse/RVM-403
RVM-401 Implement the Compressor garbage collector
http://jira.codehaus.org/browse/RVM-401
RVM-400 Implement on-the-fly garbage collectors
http://jira.codehaus.org/browse/RVM-400
RVM-399 Separate Heap For VM objects
http://jira.codehaus.org/browse/RVM-399
RVM-398 DaCapo 10 iteration lusearch stack walking is significant proportion of runtime (>13%)
http://jira.codehaus.org/browse/RVM-398
RVM-393 Use Inline.When to control inlining within MMTk
http://jira.codehaus.org/browse/RVM-393
RVM-389 Unable to search cattrack
http://jira.codehaus.org/browse/RVM-389
RVM-388 Improved GC visualization
http://jira.codehaus.org/browse/RVM-388
RVM-386 Calling runtime methods doesn't effect the stack overflow check, the stack overflow region seems large (64kb)
http://jira.codehaus.org/browse/RVM-386
RVM-382 Integration of Jikes RVM and JNODE
http://jira.codehaus.org/browse/RVM-382
RVM-373 Support for BrandWeg as a class library
http://jira.codehaus.org/browse/RVM-373
RVM-363 Improve the speed of cat track's graphs
http://jira.codehaus.org/browse/RVM-363
RVM-341 Improved copying in VM_Memory
http://jira.codehaus.org/browse/RVM-341
RVM-334 Send SIGQUIT before terminating process in timedrun
http://jira.codehaus.org/browse/RVM-334
RVM-324 Implement class unloading
http://jira.codehaus.org/browse/RVM-324
RVM-306 IGNORE_REMSETS is not tested, may not be functional
http://jira.codehaus.org/browse/RVM-306
RVM-294 JikesRVM fails to build using a Classpath VM
http://jira.codehaus.org/browse/RVM-294
RVM-292 Bloat performance
http://jira.codehaus.org/browse/RVM-292
RVM-290 Refactor object model so that status word (int) bits are used more intelligently
http://jira.codehaus.org/browse/RVM-290
RVM-289 64bit object model wastes space with array length and status word
http://jira.codehaus.org/browse/RVM-289
RVM-287 Too many space comparison checks in GC code
http://jira.codehaus.org/browse/RVM-287
RVM-263 Compressed references
http://jira.codehaus.org/browse/RVM-263
RVM-251 Extend opt compiler to use pc-relative calls
http://jira.codehaus.org/browse/RVM-251
RVM-250 GC of compiled code that may be the target of a PC-relative call
http://jira.codehaus.org/browse/RVM-250
RVM-248 Build runtime system mechanisms for patching pc-relative calls that target obsolete compiled code
http://jira.codehaus.org/browse/RVM-248
RVM-247 Augment IA32 Baseline compiler to use pc-relative calls for dynamically generated code.
http://jira.codehaus.org/browse/RVM-247
RVM-246 Use PC relative calls for statically resolvable targets
http://jira.codehaus.org/browse/RVM-246
RVM-241 Consider cost of FP compare when performing branch optimizations, flipCode...
http://jira.codehaus.org/browse/RVM-241
RVM-239 Restructuring of how compiler phases are organized, use of pre/post conditions
http://jira.codehaus.org/browse/RVM-239
RVM-238 Late resolution of reflected types
http://jira.codehaus.org/browse/RVM-238
RVM-235 Support for srtictfp
http://jira.codehaus.org/browse/RVM-235
RVM-232 Need to include check for physical memory in determining whether to collect
http://jira.codehaus.org/browse/RVM-232
RVM-228 Turn off bounds checks and null checks in uninterruptible code
http://jira.codehaus.org/browse/RVM-228
RVM-227 Need more scalable global page free list
http://jira.codehaus.org/browse/RVM-227
RVM-192 Investigate the performance of String interning
http://jira.codehaus.org/browse/RVM-192
RVM-190 Structure of org.jikesrvm.memorymanagers.mminterface.Selected is blocking compile time folding of static final booleans
http://jira.codehaus.org/browse/RVM-190
RVM-188 BURS in the DaCapo Jython benchmark is more expensive than normal
http://jira.codehaus.org/browse/RVM-188
RVM-174 Reduce/remove use of ArchitectureSpecific
http://jira.codehaus.org/browse/RVM-174
RVM-169 Initial X86 64 support
http://jira.codehaus.org/browse/RVM-169
RVM-162 Remove x87 code generation from opt compiler.
http://jira.codehaus.org/browse/RVM-162
RVM-160 Performance investigation: trivial loop structures result in major performance differences
http://jira.codehaus.org/browse/RVM-160
RVM-158 Add into our testing infrastructure the mauve test suite
http://jira.codehaus.org/browse/RVM-158
RVM-152 Bytecode verifier
http://jira.codehaus.org/browse/RVM-152
RVM-151 OutOfMemory exceptions should indicate which space was exhausted
http://jira.codehaus.org/browse/RVM-151
RVM-149 Move creation of BootImage object to after creation of boot image objects
http://jira.codehaus.org/browse/RVM-149
RVM-137 Checkcast setting of register type
http://jira.codehaus.org/browse/RVM-137
RVM-134 Make register operand register and type fields private
http://jira.codehaus.org/browse/RVM-134
RVM-127 Implement the VM interfaces for the management beans
http://jira.codehaus.org/browse/RVM-127
RVM-118 Javadoc errors not being reported in sanity reports
http://jira.codehaus.org/browse/RVM-118
RVM-116 Solve/remove comments in ScanThread
http://jira.codehaus.org/browse/RVM-116
RVM-103 Add failure analysis to reports
http://jira.codehaus.org/browse/RVM-103
RVM-95 Switch to building Classpath with javac (stop download of ecj?)
http://jira.codehaus.org/browse/RVM-95
RVM-86 Display Statistically significant changes in statistics in nightly report
http://jira.codehaus.org/browse/RVM-86
RVM-84 VM_JNIFunctions should be generated from a DSL
http://jira.codehaus.org/browse/RVM-84
RVM-79 Dump all registers on a fault on Intel
http://jira.codehaus.org/browse/RVM-79
RVM-74 No special case for space in traceObject
http://jira.codehaus.org/browse/RVM-74
RVM-50 Remove synchronization in Field/MemberReference resolve
http://jira.codehaus.org/browse/RVM-50
RVM-41 Homogenize basic IO methods (usually used during debugging and reporting)
http://jira.codehaus.org/browse/RVM-41
RVM-40 Homogenize Susbsystem Reports
http://jira.codehaus.org/browse/RVM-40
RVM-39 Generate VM_Entrypoints from annotations
http://jira.codehaus.org/browse/RVM-39
RVM-28 Periodically truncate, delete or archive stale data
http://jira.codehaus.org/browse/RVM-28
RVM-12 Tighten bounds in InlineAllocation test
http://jira.codehaus.org/browse/RVM-12
RVM-865 Run svn with LANG=C in extract-svn-version
http://jira.codehaus.org/browse/RVM-865
RVM-862 2 static fields using an identic slot
http://jira.codehaus.org/browse/RVM-862
RVM-861 Refactor bulkCopy optimisations for RVMArray arraycopy's
http://jira.codehaus.org/browse/RVM-861
RVM-849 OOM in opt compiler compiling java.lang.Integer.toString in Harmony M10
http://jira.codehaus.org/browse/RVM-849
RVM-823 Fix heap growth manager's reporting of heap size
http://jira.codehaus.org/browse/RVM-823
RVM-820 First iteration of lusearch slowed down between r15685 and r15688 (biased locking)
http://jira.codehaus.org/browse/RVM-820
RVM-815 Cleaner fix to avoid optimizing through final fields that are known to be modified via native code
http://jira.codehaus.org/browse/RVM-815
RVM-812 Increase in failures in small heap perf runs since switch to GenImmix as production
http://jira.codehaus.org/browse/RVM-812
RVM-810 Add cattrack ui to allow authenticated users to upload local test-run files to import/compare against relevant nightly runs.
http://jira.codehaus.org/browse/RVM-810
RVM-805 Pretty printing application stacks
http://jira.codehaus.org/browse/RVM-805
RVM-793 Improve tracing support in RVMThread
http://jira.codehaus.org/browse/RVM-793
RVM-747 Crash during GC while attempting to resize thread stack
http://jira.codehaus.org/browse/RVM-747
RVM-728 Design a mechanism to make it clear which options are internal vs. valid to be set from the command line
http://jira.codehaus.org/browse/RVM-728
RVM-705 Interpret native stack frames using libbfd
http://jira.codehaus.org/browse/RVM-705
RVM-695 Need to better account for virtual memory constraints
http://jira.codehaus.org/browse/RVM-695
RVM-681 Regression tests for MMTk Test Harness
http://jira.codehaus.org/browse/RVM-681
RVM-665 Investigate sigstack/sigaltstack story
http://jira.codehaus.org/browse/RVM-665
RVM-661 ObjectReferenceDeque can return null while isEmpty() is false.
http://jira.codehaus.org/browse/RVM-661
RVM-653 Remove nursery lists from LOS code
http://jira.codehaus.org/browse/RVM-653
RVM-629 Incorrect usage of @Untraced?
http://jira.codehaus.org/browse/RVM-629
RVM-611 Locality improvements via online object reordering (Huang et al OOPSLA 2004)
http://jira.codehaus.org/browse/RVM-611
RVM-586 ArrayIndexOutOfBoundsException in GCSpy
http://jira.codehaus.org/browse/RVM-586
RVM-579 Simplify operations based on # of bits (in int values)
http://jira.codehaus.org/browse/RVM-579
RVM-578 Enhance frequency estimation using Annotated LST
http://jira.codehaus.org/browse/RVM-578
RVM-576 Only buy stackframe in trivial leaf methods if a yieldpoint is actually taken
http://jira.codehaus.org/browse/RVM-576
RVM-575 Increase precision of modeling of checked exceptions at call instructions
http://jira.codehaus.org/browse/RVM-575
RVM-568 Register allocation of expression stack in PPC baseline compiler
http://jira.codehaus.org/browse/RVM-568

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Re: Post: How to make use of the boolean variable DEBUG = false in the class files??

2009-10-30T08:42:45Z

sai sashankh donkena <donkena.sai@...> wrote on 10/30/2009 10:57:01 AM: > > Please help me on how to set the DEBUG variable value = true so that I > can view the debug messages printed in each class.. > Thanks a lot. >

you edit the source code to change it's initial value from false to true and then rebuild.

--dave
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Post: How to make use of the boolean variable DEBUG = false in the class files??

2009-10-30T07:57:01Z

Hi,

Please help me on how to set the DEBUG variable value = true so that I
can view the debug messages printed in each class..
Thanks a lot.

--
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09529199623

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HELP on how to use the DEBUG variavble in the classes of jikesrvm

2009-10-29T22:46:36Z

Hi,
Please help me out. There is a boolean DEBUG variable which is declared to be false. The description for this says that it can be used to optionally used to print verbose messages. Does anyone know how to use this variable??

[jira] Created: (RVM-871) java.lang.reflect.VMMethod.getSignature() cause NullPointerException

2009-10-29T05:47:26Z

java.lang.reflect.VMMethod.getSignature() cause NullPointerException
--------------------------------------------------------------------

Key: RVM-871
URL: http://jira.codehaus.org/browse/RVM-871
Project: RVM
Issue Type: Bug
Components: Runtime: Class Library: GNU Classpath
Affects Versions: 3.1.0
Environment: ubuntu 9.04
Reporter: Eric Ku
Priority: Trivial

I'm a new comer to JikesRVM.
A few days ago, when I was trying to run JBoss on the rvm, I met a problem.
I thinks this may be a bug, a trivial bug.

I compiled the rvm with the GNU Classpath.

{code:title=java.lang.reflect.VMMethod.java|borderStyle=solid}
final RVMMethod method;
...
String getSignature() {
return method.getSignature().toString();
}
{code}

for _method.getSignature()_ may return null, calling method _toString()_ in this way may cause a NullPointerException.

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[jira] Subscription: Open RVM Issues

2009-10-28T23:00:28Z

Issue Subscription
Filter: Open RVM Issues (200 of 298 issues)
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Key Summary
RVM-868 Method resolution code unable to resolve methods in some cases
http://jira.codehaus.org/browse/RVM-868
RVM-720 Support for JNI helper methods on PowerPC
http://jira.codehaus.org/browse/RVM-720
RVM-713 Enable x87 exceptions to catch badly behaving code
http://jira.codehaus.org/browse/RVM-713
RVM-254 Problems with SSA form: lack of loop unrolling breaks VM
http://jira.codehaus.org/browse/RVM-254
RVM-229 Nightly tests against Classpath CVS head
http://jira.codehaus.org/browse/RVM-229
RVM-870 Deadlock in RVMThread code
http://jira.codehaus.org/browse/RVM-870
RVM-863 BumpPointer.scanRegion can cause a page fault
http://jira.codehaus.org/browse/RVM-863
RVM-858 GCTrace build failure
http://jira.codehaus.org/browse/RVM-858
RVM-857 Incorrect optimisation after call to native method
http://jira.codehaus.org/browse/RVM-857
RVM-855 Error in XMLParser while loading Document Type Definition (.dtd) file
http://jira.codehaus.org/browse/RVM-855
RVM-853 Protocol handlers do not work with Jikes RVM
http://jira.codehaus.org/browse/RVM-853
RVM-845 Primitive write barrier support
http://jira.codehaus.org/browse/RVM-845
RVM-830 Suspect code in ReflectionBase.invoke
http://jira.codehaus.org/browse/RVM-830
RVM-829 Assertions on invalid 8bit assembler operations
http://jira.codehaus.org/browse/RVM-829
RVM-825 Replay compilation does not account for custom class loaders
http://jira.codehaus.org/browse/RVM-825
RVM-824 integer division doesn't follow VM spec
http://jira.codehaus.org/browse/RVM-824
RVM-822 Improve failure mode for out-of-address-space errors
http://jira.codehaus.org/browse/RVM-822
RVM-816 MMTK: LOG_BYTES_IN_PAGE is a hard coded compile time constant; should make sysCall to determine real value
http://jira.codehaus.org/browse/RVM-816
RVM-809 Image bloat
http://jira.codehaus.org/browse/RVM-809
RVM-799 Use reserve/commit OS rather than mmap as primitive in MMTk for page allocation
http://jira.codehaus.org/browse/RVM-799
RVM-797 PreciseType is set when creating thread temporary registers in the opt compiler
http://jira.codehaus.org/browse/RVM-797
RVM-796 Generalize objectAsThread, objectAsType, etc. magic wih Magic.eatCast
http://jira.codehaus.org/browse/RVM-796
RVM-792 Cattrack mail message header confuses mail readers
http://jira.codehaus.org/browse/RVM-792
RVM-785 handleHandshakeRequest should be called from enterNativeBlockedImpl
http://jira.codehaus.org/browse/RVM-785
RVM-782 Figure out if OSR's use of contextRegisters is correct and/or necessary, given their changed meaning in native threads
http://jira.codehaus.org/browse/RVM-782
RVM-781 GNU Classpath 0.98 causes performance regression in luindex
http://jira.codehaus.org/browse/RVM-781
RVM-780 Figure out why native threads stability is proportional to the number of available processors
http://jira.codehaus.org/browse/RVM-780
RVM-777 Simplify MMTk--VM glue code
http://jira.codehaus.org/browse/RVM-777
RVM-772 Decide what 'available' processors means on native threads
http://jira.codehaus.org/browse/RVM-772
RVM-771 Don't remember array copies (mutator array remset) when both the destination and source are in the mature space
http://jira.codehaus.org/browse/RVM-771
RVM-770 MMTk barrier interface forces inefficient x86 instruction selection
http://jira.codehaus.org/browse/RVM-770
RVM-769 Clean up situation with pre-copy and @NonMoving
http://jira.codehaus.org/browse/RVM-769
RVM-755 Tweaks to optimizing compilation to improve the performance of write barriers
http://jira.codehaus.org/browse/RVM-755
RVM-750 Implement Thread.setPriority
http://jira.codehaus.org/browse/RVM-750
RVM-749 Only allow clean/expected transitions in thread execStatus
http://jira.codehaus.org/browse/RVM-749
RVM-745 Use @Intrinsic annotation to drive matching of magic method to magic code generators
http://jira.codehaus.org/browse/RVM-745
RVM-734 Deadlocks when using -X:aos:initial_compiler=opt
http://jira.codehaus.org/browse/RVM-734
RVM-731 Bad reference in baseline IMT.IMTDict.populateIMT
http://jira.codehaus.org/browse/RVM-731
RVM-730 enabling live_range_splitting causes NullPointerException or NoSuchElementException for various benchmarks
http://jira.codehaus.org/browse/RVM-730
RVM-721 Improve extreme assertion sanity checking in regressions
http://jira.codehaus.org/browse/RVM-721
RVM-719 Failure in Harmony's class library tests
http://jira.codehaus.org/browse/RVM-719
RVM-717 Support for var arg JNI methods on 64bit platforms
http://jira.codehaus.org/browse/RVM-717
RVM-716 Remove all uses of unparameterized types
http://jira.codehaus.org/browse/RVM-716
RVM-711 Support for cycle-accurate simulation
http://jira.codehaus.org/browse/RVM-711
RVM-710 Multiple bugs/crashes on DaCapo while varying command line parameters
http://jira.codehaus.org/browse/RVM-710
RVM-699 Race in reclaiming compiled methods
http://jira.codehaus.org/browse/RVM-699
RVM-692 Classpath Thread operations not supported because VMThreadMXBeanImpl is not implemented
http://jira.codehaus.org/browse/RVM-692
RVM-691 Assertion failure in org/jikesrvm/osr/ia32/OptExecutionStateExtractor
http://jira.codehaus.org/browse/RVM-691
RVM-686 Improve modelling of exceptions in IR
http://jira.codehaus.org/browse/RVM-686
RVM-678 Dynamic linker instructions in data image
http://jira.codehaus.org/browse/RVM-678
RVM-677 Tableswitch performance
http://jira.codehaus.org/browse/RVM-677
RVM-675 Chunk linked list broken on discontiguous space
http://jira.codehaus.org/browse/RVM-675
RVM-670 Bad reference maps in JBB '05
http://jira.codehaus.org/browse/RVM-670
RVM-663 Using object barrier casues sssertion failures in ObjectReferenceDeque.insert & other crashes
http://jira.codehaus.org/browse/RVM-663
RVM-659 Scalar SSA-based optimizations
http://jira.codehaus.org/browse/RVM-659
RVM-658 O2 Loop optimizations
http://jira.codehaus.org/browse/RVM-658
RVM-657 Enable scalar SSA form for HIR/LIR
http://jira.codehaus.org/browse/RVM-657
RVM-656 Re-enable O2 optimizations disabled for stability drive
http://jira.codehaus.org/browse/RVM-656
RVM-649 build failure on PPC OS X 10.5 (Leopard)
http://jira.codehaus.org/browse/RVM-649
RVM-648 Allow promotion into LOS
http://jira.codehaus.org/browse/RVM-648
RVM-647 Allow nursery to be discontiguous
http://jira.codehaus.org/browse/RVM-647
RVM-642 Problem with CMID/stackframe mapping in reflection
http://jira.codehaus.org/browse/RVM-642
RVM-635 Harmony, use the zip cache pool api
http://jira.codehaus.org/browse/RVM-635
RVM-630 Build support for Windows
http://jira.codehaus.org/browse/RVM-630
RVM-626 Objects in SortTODObjectReferenceStack popped from data structure in wrong order, causing Merlin traces to be incorrect
http://jira.codehaus.org/browse/RVM-626
RVM-622 Skipping Harmony classlib building, just copy over deploy/
http://jira.codehaus.org/browse/RVM-622
RVM-620 DaCapo jython fails with Apache Harmony class library
http://jira.codehaus.org/browse/RVM-620
RVM-618 DaCapo chart fails with Apache Harmony class library
http://jira.codehaus.org/browse/RVM-618
RVM-602 OSR bytecodes cause the opt compiler bcIndex to be unintelligible
http://jira.codehaus.org/browse/RVM-602
RVM-601 Make BootImageWriterOutput.txt easily accessible from cattrack
http://jira.codehaus.org/browse/RVM-601
RVM-595 Checks when creating object references in opt compilation
http://jira.codehaus.org/browse/RVM-595
RVM-581 Enable recompilation of Uninterruptible and Unpreemptible code
http://jira.codehaus.org/browse/RVM-581
RVM-577 implement induction variable elimination
http://jira.codehaus.org/browse/RVM-577
RVM-567 Advanced loop transformations
http://jira.codehaus.org/browse/RVM-567
RVM-566 JNI: Implement AttachCurrentThread/DetachCurrentThread
http://jira.codehaus.org/browse/RVM-566
RVM-565 implement JNI_CreateJavaVM
http://jira.codehaus.org/browse/RVM-565
RVM-557 JNI: load libraries should be by classloader, not global
http://jira.codehaus.org/browse/RVM-557
RVM-551 Experiment with object collocation
http://jira.codehaus.org/browse/RVM-551
RVM-549 Initial support for OpenJDK class library
http://jira.codehaus.org/browse/RVM-549
RVM-545 java.lang.instrument support for Harmony
http://jira.codehaus.org/browse/RVM-545
RVM-535 B2 Compiler
http://jira.codehaus.org/browse/RVM-535
RVM-533 Implement generic reflection API in Apache Harmony
http://jira.codehaus.org/browse/RVM-533
RVM-530 Conditional stationary field constraints
http://jira.codehaus.org/browse/RVM-530
RVM-524 Add support for Strings that don't copy their contents to Harmony
http://jira.codehaus.org/browse/RVM-524
RVM-516 Infer pure methods through compiler and bytecode analysis
http://jira.codehaus.org/browse/RVM-516
RVM-509 Move barrier operations into opt compiler HIR
http://jira.codehaus.org/browse/RVM-509
RVM-503 2 types of pure annotation to deal with dead code elimination and exceptions
http://jira.codehaus.org/browse/RVM-503
RVM-496 Use PC relative calls for sysCall and native method invocation
http://jira.codehaus.org/browse/RVM-496
RVM-491 Unsupported operations in javax.imageio
http://jira.codehaus.org/browse/RVM-491
RVM-489 Out-of-memory errors in particular during compiler for scimark benchmarks
http://jira.codehaus.org/browse/RVM-489
RVM-488 Problems with ObjectInputStream
http://jira.codehaus.org/browse/RVM-488
RVM-487 Unexpected exceptions in RSA
http://jira.codehaus.org/browse/RVM-487
RVM-486 Support 21bit keys in AES crypto
http://jira.codehaus.org/browse/RVM-486
RVM-485 Implement BigDecimal.divide(BigDecimal, MathContext)
http://jira.codehaus.org/browse/RVM-485
RVM-484 Fix SPEC jvm 2008
http://jira.codehaus.org/browse/RVM-484
RVM-475 Move to a workqueue for performance regressions
http://jira.codehaus.org/browse/RVM-475
RVM-473 Improved sparklines
http://jira.codehaus.org/browse/RVM-473
RVM-461 Immix code still messy
http://jira.codehaus.org/browse/RVM-461
RVM-448 Add non-nullness information to register operands
http://jira.codehaus.org/browse/RVM-448
RVM-446 Investigate performance regression in Compress
http://jira.codehaus.org/browse/RVM-446
RVM-444 BasicBlock.mergeFallThrough is overly conservative with exception handlers
http://jira.codehaus.org/browse/RVM-444
RVM-438 Barriers within critical VM code
http://jira.codehaus.org/browse/RVM-438
RVM-436 Improvements to Random number generation
http://jira.codehaus.org/browse/RVM-436
RVM-432 Fix GNU classpath build on x86_64
http://jira.codehaus.org/browse/RVM-432
RVM-419 Simple elision of write barriers based on escape analysis
http://jira.codehaus.org/browse/RVM-419
RVM-418 Add breadcrumbs to our unity front page
http://jira.codehaus.org/browse/RVM-418
RVM-415 Better abstraction and identification of helpers
http://jira.codehaus.org/browse/RVM-415
RVM-413 Long running tests using development/extreme assertion configurations
http://jira.codehaus.org/browse/RVM-413
RVM-407 Is VM.disableGC() deprecated?
http://jira.codehaus.org/browse/RVM-407
RVM-405 Improve modularity of major functions within the RVM
http://jira.codehaus.org/browse/RVM-405
RVM-404 New loop unrolling optimizations
http://jira.codehaus.org/browse/RVM-404
RVM-403 Implement the Baker garbage collector
http://jira.codehaus.org/browse/RVM-403
RVM-401 Implement the Compressor garbage collector
http://jira.codehaus.org/browse/RVM-401
RVM-400 Implement on-the-fly garbage collectors
http://jira.codehaus.org/browse/RVM-400
RVM-399 Separate Heap For VM objects
http://jira.codehaus.org/browse/RVM-399
RVM-398 DaCapo 10 iteration lusearch stack walking is significant proportion of runtime (>13%)
http://jira.codehaus.org/browse/RVM-398
RVM-393 Use Inline.When to control inlining within MMTk
http://jira.codehaus.org/browse/RVM-393
RVM-389 Unable to search cattrack
http://jira.codehaus.org/browse/RVM-389
RVM-388 Improved GC visualization
http://jira.codehaus.org/browse/RVM-388
RVM-386 Calling runtime methods doesn't effect the stack overflow check, the stack overflow region seems large (64kb)
http://jira.codehaus.org/browse/RVM-386
RVM-382 Integration of Jikes RVM and JNODE
http://jira.codehaus.org/browse/RVM-382
RVM-373 Support for BrandWeg as a class library
http://jira.codehaus.org/browse/RVM-373
RVM-363 Improve the speed of cat track's graphs
http://jira.codehaus.org/browse/RVM-363
RVM-341 Improved copying in VM_Memory
http://jira.codehaus.org/browse/RVM-341
RVM-334 Send SIGQUIT before terminating process in timedrun
http://jira.codehaus.org/browse/RVM-334
RVM-324 Implement class unloading
http://jira.codehaus.org/browse/RVM-324
RVM-306 IGNORE_REMSETS is not tested, may not be functional
http://jira.codehaus.org/browse/RVM-306
RVM-294 JikesRVM fails to build using a Classpath VM
http://jira.codehaus.org/browse/RVM-294
RVM-292 Bloat performance
http://jira.codehaus.org/browse/RVM-292
RVM-290 Refactor object model so that status word (int) bits are used more intelligently
http://jira.codehaus.org/browse/RVM-290
RVM-289 64bit object model wastes space with array length and status word
http://jira.codehaus.org/browse/RVM-289
RVM-287 Too many space comparison checks in GC code
http://jira.codehaus.org/browse/RVM-287
RVM-263 Compressed references
http://jira.codehaus.org/browse/RVM-263
RVM-251 Extend opt compiler to use pc-relative calls
http://jira.codehaus.org/browse/RVM-251
RVM-250 GC of compiled code that may be the target of a PC-relative call
http://jira.codehaus.org/browse/RVM-250
RVM-248 Build runtime system mechanisms for patching pc-relative calls that target obsolete compiled code
http://jira.codehaus.org/browse/RVM-248
RVM-247 Augment IA32 Baseline compiler to use pc-relative calls for dynamically generated code.
http://jira.codehaus.org/browse/RVM-247
RVM-246 Use PC relative calls for statically resolvable targets
http://jira.codehaus.org/browse/RVM-246
RVM-241 Consider cost of FP compare when performing branch optimizations, flipCode...
http://jira.codehaus.org/browse/RVM-241
RVM-239 Restructuring of how compiler phases are organized, use of pre/post conditions
http://jira.codehaus.org/browse/RVM-239
RVM-238 Late resolution of reflected types
http://jira.codehaus.org/browse/RVM-238
RVM-235 Support for srtictfp
http://jira.codehaus.org/browse/RVM-235
RVM-232 Need to include check for physical memory in determining whether to collect
http://jira.codehaus.org/browse/RVM-232
RVM-228 Turn off bounds checks and null checks in uninterruptible code
http://jira.codehaus.org/browse/RVM-228
RVM-227 Need more scalable global page free list
http://jira.codehaus.org/browse/RVM-227
RVM-192 Investigate the performance of String interning
http://jira.codehaus.org/browse/RVM-192
RVM-190 Structure of org.jikesrvm.memorymanagers.mminterface.Selected is blocking compile time folding of static final booleans
http://jira.codehaus.org/browse/RVM-190
RVM-188 BURS in the DaCapo Jython benchmark is more expensive than normal
http://jira.codehaus.org/browse/RVM-188
RVM-174 Reduce/remove use of ArchitectureSpecific
http://jira.codehaus.org/browse/RVM-174
RVM-169 Initial X86 64 support
http://jira.codehaus.org/browse/RVM-169
RVM-162 Remove x87 code generation from opt compiler.
http://jira.codehaus.org/browse/RVM-162
RVM-160 Performance investigation: trivial loop structures result in major performance differences
http://jira.codehaus.org/browse/RVM-160
RVM-158 Add into our testing infrastructure the mauve test suite
http://jira.codehaus.org/browse/RVM-158
RVM-152 Bytecode verifier
http://jira.codehaus.org/browse/RVM-152
RVM-151 OutOfMemory exceptions should indicate which space was exhausted
http://jira.codehaus.org/browse/RVM-151
RVM-149 Move creation of BootImage object to after creation of boot image objects
http://jira.codehaus.org/browse/RVM-149
RVM-137 Checkcast setting of register type
http://jira.codehaus.org/browse/RVM-137
RVM-134 Make register operand register and type fields private
http://jira.codehaus.org/browse/RVM-134
RVM-127 Implement the VM interfaces for the management beans
http://jira.codehaus.org/browse/RVM-127
RVM-118 Javadoc errors not being reported in sanity reports
http://jira.codehaus.org/browse/RVM-118
RVM-116 Solve/remove comments in ScanThread
http://jira.codehaus.org/browse/RVM-116
RVM-103 Add failure analysis to reports
http://jira.codehaus.org/browse/RVM-103
RVM-95 Switch to building Classpath with javac (stop download of ecj?)
http://jira.codehaus.org/browse/RVM-95
RVM-86 Display Statistically significant changes in statistics in nightly report
http://jira.codehaus.org/browse/RVM-86
RVM-84 VM_JNIFunctions should be generated from a DSL
http://jira.codehaus.org/browse/RVM-84
RVM-79 Dump all registers on a fault on Intel
http://jira.codehaus.org/browse/RVM-79
RVM-74 No special case for space in traceObject
http://jira.codehaus.org/browse/RVM-74
RVM-50 Remove synchronization in Field/MemberReference resolve
http://jira.codehaus.org/browse/RVM-50
RVM-41 Homogenize basic IO methods (usually used during debugging and reporting)
http://jira.codehaus.org/browse/RVM-41
RVM-40 Homogenize Susbsystem Reports
http://jira.codehaus.org/browse/RVM-40
RVM-39 Generate VM_Entrypoints from annotations
http://jira.codehaus.org/browse/RVM-39
RVM-28 Periodically truncate, delete or archive stale data
http://jira.codehaus.org/browse/RVM-28
RVM-12 Tighten bounds in InlineAllocation test
http://jira.codehaus.org/browse/RVM-12
RVM-865 Run svn with LANG=C in extract-svn-version
http://jira.codehaus.org/browse/RVM-865
RVM-862 2 static fields using an identic slot
http://jira.codehaus.org/browse/RVM-862
RVM-861 Refactor bulkCopy optimisations for RVMArray arraycopy's
http://jira.codehaus.org/browse/RVM-861
RVM-849 OOM in opt compiler compiling java.lang.Integer.toString in Harmony M10
http://jira.codehaus.org/browse/RVM-849
RVM-823 Fix heap growth manager's reporting of heap size
http://jira.codehaus.org/browse/RVM-823
RVM-820 First iteration of lusearch slowed down between r15685 and r15688 (biased locking)
http://jira.codehaus.org/browse/RVM-820
RVM-815 Cleaner fix to avoid optimizing through final fields that are known to be modified via native code
http://jira.codehaus.org/browse/RVM-815
RVM-812 Increase in failures in small heap perf runs since switch to GenImmix as production
http://jira.codehaus.org/browse/RVM-812
RVM-810 Add cattrack ui to allow authenticated users to upload local test-run files to import/compare against relevant nightly runs.
http://jira.codehaus.org/browse/RVM-810
RVM-805 Pretty printing application stacks
http://jira.codehaus.org/browse/RVM-805
RVM-793 Improve tracing support in RVMThread
http://jira.codehaus.org/browse/RVM-793
RVM-747 Crash during GC while attempting to resize thread stack
http://jira.codehaus.org/browse/RVM-747
RVM-728 Design a mechanism to make it clear which options are internal vs. valid to be set from the command line
http://jira.codehaus.org/browse/RVM-728
RVM-705 Interpret native stack frames using libbfd
http://jira.codehaus.org/browse/RVM-705
RVM-695 Need to better account for virtual memory constraints
http://jira.codehaus.org/browse/RVM-695
RVM-681 Regression tests for MMTk Test Harness
http://jira.codehaus.org/browse/RVM-681
RVM-665 Investigate sigstack/sigaltstack story
http://jira.codehaus.org/browse/RVM-665
RVM-661 ObjectReferenceDeque can return null while isEmpty() is false.
http://jira.codehaus.org/browse/RVM-661
RVM-653 Remove nursery lists from LOS code
http://jira.codehaus.org/browse/RVM-653
RVM-629 Incorrect usage of @Untraced?
http://jira.codehaus.org/browse/RVM-629
RVM-611 Locality improvements via online object reordering (Huang et al OOPSLA 2004)
http://jira.codehaus.org/browse/RVM-611
RVM-586 ArrayIndexOutOfBoundsException in GCSpy
http://jira.codehaus.org/browse/RVM-586
RVM-579 Simplify operations based on # of bits (in int values)
http://jira.codehaus.org/browse/RVM-579
RVM-578 Enhance frequency estimation using Annotated LST
http://jira.codehaus.org/browse/RVM-578
RVM-576 Only buy stackframe in trivial leaf methods if a yieldpoint is actually taken
http://jira.codehaus.org/browse/RVM-576
RVM-575 Increase precision of modeling of checked exceptions at call instructions
http://jira.codehaus.org/browse/RVM-575
RVM-568 Register allocation of expression stack in PPC baseline compiler
http://jira.codehaus.org/browse/RVM-568

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JikesRVM: internal error: recursive use of hardware exception registers (exiting)...

2009-10-26T17:03:49Z

Hi,

When I tried to use JikesRVM 3.0.1 to run a java application. I got this error: JikesRVM: internal error: recursive use of hardware exception registers (exiting), and show a list of stack info like this

-- Stack --

at [0x70ed1e70, 0x64ea27bd] Lorg/jikesrvm/runtime/RuntimeEntrypoints; deliverHardwareException(II)V at line 694

at [0x70ed1e8c, 0x64ea27bd] <hardware trap>

at [0x70f04d98, 0x64ea3baa] Lorg/jikesrvm/scheduler/ThinLock; unlock(Ljava/lang/Object;Lorg/vmmagic/unboxed/Offset;)V

at [0x70f04db0, 0x70850106] Lorg/jikesrvm/objectmodel/JavaHeader; genericUnlock(Ljava/lang/Object;)V at line 598

at [0x70f04db0, 0x70850106] Lorg/jikesrvm/objectmodel/ObjectModel; genericUnlock(Ljava/lang/Object;)V at line 478

Just wonder anyone else met with this error info before? Is this a possible bug for JikesRVM? Thanks for any suggestions!

--
Best regards,
Kelvin

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[jira] Commented: (RVM-868) Method resolution code unable to resolve methods in some cases

2009-10-22T08:19:26Z

[ http://jira.codehaus.org/browse/RVM-868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=195588#action_195588 ]

David Grove commented on RVM-868:
---------------------------------

can reproduce problem. I'll take a look at fixing it.

> Method resolution code unable to resolve methods in some cases
> --------------------------------------------------------------
>
> Key: RVM-868
> URL: http://jira.codehaus.org/browse/RVM-868
> Project: RVM
> Issue Type: Bug
> Reporter: Suriya Subramanian
> Assignee: David Grove
> Priority: Critical
> Attachments: crash.txt, ResolverTestCase.java
>
>
> Looks like the method resolution code MethodReference.resolveInternal() is incorrect. It does not look for methods implemented in interfaces implemented by a class. In contrast, FieldReference.resolveInternal() looks in all super classes and interfaces a class implements. I am attaching a simple test program that demonstrates this bug. This bug exists in SVN r15788.

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[jira] Assigned: (RVM-868) Method resolution code unable to resolve methods in some cases

2009-10-22T08:19:26Z

[ http://jira.codehaus.org/browse/RVM-868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Grove reassigned RVM-868:
-------------------------------

Assignee: David Grove

[jira] Subscription: Open RVM Issues

2009-10-21T23:00:29Z

[jira] Closed: (RVM-864) Build failure using IBM Java 6 SDK as host JVM on linux-ia32

2009-10-21T18:49:26Z

[ http://jira.codehaus.org/browse/RVM-864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Grove closed RVM-864.
---------------------------

Resolution: Fixed

fixed by http://jikesrvm.svn.sourceforge.net/viewvc/jikesrvm?view=rev&revision=15710.

> Build failure using IBM Java 6 SDK as host JVM on linux-ia32
> ------------------------------------------------------------
>
> Key: RVM-864
> URL: http://jira.codehaus.org/browse/RVM-864
> Project: RVM
> Issue Type: Bug
> Components: Infrastructure: Build
> Affects Versions: 3.0.1, 3.1.0
> Environment: Linux (IBM OC). Intel Box.
> Reporter: N V Krishna
> Assignee: David Grove
> Fix For: 3.1.1
>
>
> I am trying to build jikes RVM, using the following command:
> ant -Dhost.name=x86_64-linux -Dconfig.name=development
> And it fails (for both jikes 3.0.1 and 3.1.0), using different versions of java.
> build-bootimage:
> [echo] Building bootimage. Output redirected to : /local/jikesrvm-3.0.1/target/development_x86_64-linux/BootImageWriterOutput.txt
> [echo] MMTk properties = /local/jikesrvm-3.0.1/build/mmtk/default.properties
> [java] BootImageWriter: compiler arg: O2
> [java] Java Result: 1
> [echo] BootImageWriter: starting up
> [echo] BootImageCompiler: init (opt compiler)
> [echo] BootImageWriter: loading
> [echo] java.lang.NoClassDefFoundError: java.util.Collections$2
> [echo] at org.jikesrvm.classloader.BootstrapClassLoader.loadVMClass(BootstrapClassLoader.java:133)
> [echo] at org.jikesrvm.classloader.TypeReference.resolveInternal(TypeReference.java:788)
> [echo] at org.jikesrvm.classloader.TypeReference.resolve(TypeReference.java:762)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.createBootImageObjects(BootImageWriter.java:1300)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.main(BootImageWriter.java:897)
> [echo] Caused by: java.lang.VerifyError: java.util.Collections$ReverseComparator
> [echo] at com.ibm.oti.vm.VM.findClassOrNull(Native Method)
> [echo] at com.ibm.oti.vm.BootstrapClassLoader.loadClass(BootstrapClassLoader.java:62)
> [echo] at java.lang.Class.forNameImpl(Native Method)
> [echo] at java.lang.Class.forName(Class.java:169)
> [echo] at org.jikesrvm.classloader.RVMType.createClassForType(RVMType.java:565)
> [echo] at org.jikesrvm.classloader.RVMType.<init>(RVMType.java:259)
> [echo] at org.jikesrvm.classloader.RVMClass.<init>(RVMClass.java:1176)
> [echo] at org.jikesrvm.classloader.RVMClass.readClass(RVMClass.java:1545)
> [echo] at org.jikesrvm.classloader.RVMClassLoader.defineClassInternal(RVMClassLoader.java:336)
> [echo] at org.jikesrvm.classloader.BootstrapClassLoader.loadVMClass(BootstrapClassLoader.java:120)
> [echo] ... 4 more
> [echo] Exception in thread "main" java.lang.Error:
> [echo] BootImageWriter: /local/jikesrvm-3.0.1/target/development_x86_64-linux/Primordials.txt contains a class named "Ljava/util/Collections$2;", but we can't find a class with that name: java.lang.NoClassDefFoundError: java.util.Collections$2
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriterMessages.fail(BootImageWriterMessages.java:26)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.createBootImageObjects(BootImageWriter.java:1303)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.main(BootImageWriter.java:897)
> BUILD FAILED
> /local/nvk/t/jikesrvm-3.0.1/build.xml:1418: The following error occurred while executing this line:
> /local/nvk/t/jikesrvm-3.0.1/build.xml:1427: Failed to write bootimage.
> Total time: 2 minutes 0 seconds
> --------------------------
> This must be something straight forward (I hope). Can someone point at what I am missing?

[jira] Updated: (RVM-864) Build failure using IBM Java 6 SDK as host JVM on linux-ia32

2009-10-21T18:47:26Z

[ http://jira.codehaus.org/browse/RVM-864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Grove updated RVM-864:
----------------------------

Fix Version/s: 3.1.1
Summary: Build failure using IBM Java 6 SDK as host JVM on linux-ia32 (was: Build fails.)

> Build failure using IBM Java 6 SDK as host JVM on linux-ia32
> ------------------------------------------------------------
>
> Key: RVM-864
> URL: http://jira.codehaus.org/browse/RVM-864
> Project: RVM
> Issue Type: Bug
> Components: Infrastructure: Build
> Affects Versions: 3.0.1, 3.1.0
> Environment: Linux (IBM OC). Intel Box.
> Reporter: N V Krishna
> Fix For: 3.1.1
>
>
> I am trying to build jikes RVM, using the following command:
> ant -Dhost.name=x86_64-linux -Dconfig.name=development
> And it fails (for both jikes 3.0.1 and 3.1.0), using different versions of java.
> build-bootimage:
> [echo] Building bootimage. Output redirected to : /local/jikesrvm-3.0.1/target/development_x86_64-linux/BootImageWriterOutput.txt
> [echo] MMTk properties = /local/jikesrvm-3.0.1/build/mmtk/default.properties
> [java] BootImageWriter: compiler arg: O2
> [java] Java Result: 1
> [echo] BootImageWriter: starting up
> [echo] BootImageCompiler: init (opt compiler)
> [echo] BootImageWriter: loading
> [echo] java.lang.NoClassDefFoundError: java.util.Collections$2
> [echo] at org.jikesrvm.classloader.BootstrapClassLoader.loadVMClass(BootstrapClassLoader.java:133)
> [echo] at org.jikesrvm.classloader.TypeReference.resolveInternal(TypeReference.java:788)
> [echo] at org.jikesrvm.classloader.TypeReference.resolve(TypeReference.java:762)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.createBootImageObjects(BootImageWriter.java:1300)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.main(BootImageWriter.java:897)
> [echo] Caused by: java.lang.VerifyError: java.util.Collections$ReverseComparator
> [echo] at com.ibm.oti.vm.VM.findClassOrNull(Native Method)
> [echo] at com.ibm.oti.vm.BootstrapClassLoader.loadClass(BootstrapClassLoader.java:62)
> [echo] at java.lang.Class.forNameImpl(Native Method)
> [echo] at java.lang.Class.forName(Class.java:169)
> [echo] at org.jikesrvm.classloader.RVMType.createClassForType(RVMType.java:565)
> [echo] at org.jikesrvm.classloader.RVMType.<init>(RVMType.java:259)
> [echo] at org.jikesrvm.classloader.RVMClass.<init>(RVMClass.java:1176)
> [echo] at org.jikesrvm.classloader.RVMClass.readClass(RVMClass.java:1545)
> [echo] at org.jikesrvm.classloader.RVMClassLoader.defineClassInternal(RVMClassLoader.java:336)
> [echo] at org.jikesrvm.classloader.BootstrapClassLoader.loadVMClass(BootstrapClassLoader.java:120)
> [echo] ... 4 more
> [echo] Exception in thread "main" java.lang.Error:
> [echo] BootImageWriter: /local/jikesrvm-3.0.1/target/development_x86_64-linux/Primordials.txt contains a class named "Ljava/util/Collections$2;", but we can't find a class with that name: java.lang.NoClassDefFoundError: java.util.Collections$2
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriterMessages.fail(BootImageWriterMessages.java:26)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.createBootImageObjects(BootImageWriter.java:1303)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.main(BootImageWriter.java:897)
> BUILD FAILED
> /local/nvk/t/jikesrvm-3.0.1/build.xml:1418: The following error occurred while executing this line:
> /local/nvk/t/jikesrvm-3.0.1/build.xml:1427: Failed to write bootimage.
> Total time: 2 minutes 0 seconds
> --------------------------
> This must be something straight forward (I hope). Can someone point at what I am missing?

[jira] Assigned: (RVM-864) Build failure using IBM Java 6 SDK as host JVM on linux-ia32

2009-10-21T18:47:26Z

[ http://jira.codehaus.org/browse/RVM-864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Grove reassigned RVM-864:
-------------------------------

Assignee: David Grove

[jira] Commented: (RVM-864) Build fails.

2009-10-21T18:47:26Z

[ http://jira.codehaus.org/browse/RVM-864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=195528#action_195528 ]

David Grove commented on RVM-864:
---------------------------------

You probably need to pick up this: http://jikesrvm.svn.sourceforge.net/viewvc/jikesrvm?view=rev&revision=15710

If you apply that patch, then you can build using IBM Java 6. Without that patch, you have to use IBM Java 5 (or HotSpot).

> Build fails.
> ------------
>
> Key: RVM-864
> URL: http://jira.codehaus.org/browse/RVM-864
> Project: RVM
> Issue Type: Bug
> Components: Infrastructure: Build
> Affects Versions: 3.0.1, 3.1.0
> Environment: Linux (IBM OC). Intel Box.
> Reporter: N V Krishna
> Fix For: 3.1.1
>
>
> I am trying to build jikes RVM, using the following command:
> ant -Dhost.name=x86_64-linux -Dconfig.name=development
> And it fails (for both jikes 3.0.1 and 3.1.0), using different versions of java.
> build-bootimage:
> [echo] Building bootimage. Output redirected to : /local/jikesrvm-3.0.1/target/development_x86_64-linux/BootImageWriterOutput.txt
> [echo] MMTk properties = /local/jikesrvm-3.0.1/build/mmtk/default.properties
> [java] BootImageWriter: compiler arg: O2
> [java] Java Result: 1
> [echo] BootImageWriter: starting up
> [echo] BootImageCompiler: init (opt compiler)
> [echo] BootImageWriter: loading
> [echo] java.lang.NoClassDefFoundError: java.util.Collections$2
> [echo] at org.jikesrvm.classloader.BootstrapClassLoader.loadVMClass(BootstrapClassLoader.java:133)
> [echo] at org.jikesrvm.classloader.TypeReference.resolveInternal(TypeReference.java:788)
> [echo] at org.jikesrvm.classloader.TypeReference.resolve(TypeReference.java:762)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.createBootImageObjects(BootImageWriter.java:1300)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.main(BootImageWriter.java:897)
> [echo] Caused by: java.lang.VerifyError: java.util.Collections$ReverseComparator
> [echo] at com.ibm.oti.vm.VM.findClassOrNull(Native Method)
> [echo] at com.ibm.oti.vm.BootstrapClassLoader.loadClass(BootstrapClassLoader.java:62)
> [echo] at java.lang.Class.forNameImpl(Native Method)
> [echo] at java.lang.Class.forName(Class.java:169)
> [echo] at org.jikesrvm.classloader.RVMType.createClassForType(RVMType.java:565)
> [echo] at org.jikesrvm.classloader.RVMType.<init>(RVMType.java:259)
> [echo] at org.jikesrvm.classloader.RVMClass.<init>(RVMClass.java:1176)
> [echo] at org.jikesrvm.classloader.RVMClass.readClass(RVMClass.java:1545)
> [echo] at org.jikesrvm.classloader.RVMClassLoader.defineClassInternal(RVMClassLoader.java:336)
> [echo] at org.jikesrvm.classloader.BootstrapClassLoader.loadVMClass(BootstrapClassLoader.java:120)
> [echo] ... 4 more
> [echo] Exception in thread "main" java.lang.Error:
> [echo] BootImageWriter: /local/jikesrvm-3.0.1/target/development_x86_64-linux/Primordials.txt contains a class named "Ljava/util/Collections$2;", but we can't find a class with that name: java.lang.NoClassDefFoundError: java.util.Collections$2
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriterMessages.fail(BootImageWriterMessages.java:26)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.createBootImageObjects(BootImageWriter.java:1303)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.main(BootImageWriter.java:897)
> BUILD FAILED
> /local/nvk/t/jikesrvm-3.0.1/build.xml:1418: The following error occurred while executing this line:
> /local/nvk/t/jikesrvm-3.0.1/build.xml:1427: Failed to write bootimage.
> Total time: 2 minutes 0 seconds
> --------------------------
> This must be something straight forward (I hope). Can someone point at what I am missing?

[jira] Created: (RVM-870) Deadlock in RVMThread code

2009-10-21T12:32:26Z

Deadlock in RVMThread code
--------------------------

Key: RVM-870
URL: http://jira.codehaus.org/browse/RVM-870
Project: RVM
Issue Type: Bug
Components: Runtime: Threads and Concurrency
Affects Versions: 3.1.0
Reporter: Eddie Aftandilian

In RVMThread.java, there is a static Monitor handshakeLock that prevents multiple handshakes from occurring at the same time. This lock must be acquired by the GC thread to block the mutator threads, and it also must be acquired when a new thread is created in order to allocate and initialize a communication lock for the thread.

In RVMThread.assignThreadSlot(), we have this code:

handshakeLock.lockWithHandshake();
if (communicationLockBySlot[threadSlot] == null) {
communicationLockBySlot[threadSlot] = new Monitor();
}
handshakeLock.unlock();

"new Monitor()" allocates, which can cause a GC. If it does cause a GC, it does not release the handshakeLock, so the GC thread cannot acquire the handshakeLock in hardHandshakeSuspend() and the GC cannot proceed.

----------------------
I believe we can fix this by moving the new Monitor allocation outside the lock:

Monitor m = new Monitor();
handshakeLock.lockWithHandshake();
if (communicationLockBySlot[threadSlot] == null) {
communicationLockBySlot[threadSlot] = m;
}
handshakeLock.unlock();

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[jira] Closed: (RVM-869) Build failure on Snow Leopard

2009-10-21T07:03:26Z

[ http://jira.codehaus.org/browse/RVM-869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Grove closed RVM-869.
---------------------------

> Build failure on Snow Leopard
> -----------------------------
>
> Key: RVM-869
> URL: http://jira.codehaus.org/browse/RVM-869
> Project: RVM
> Issue Type: Bug
> Components: Operating System: OSX
> Affects Versions: 3.1.0
> Environment: Macbook OS X 10.6
> Reporter: Simon Dardis
> Priority: Minor
> Fix For: svn head
>
>
> I attempted to build the RVM on OS X 10.6/Snow Leopard and it didn't succeed. I did find that
> it's a minor fix to get it working on 10.6.
> The build/hosts/ia32-osx.properties file needs to include "-arch i386" in the compiler flags for g++.
> The tools/bootImageRunner/RunBootImage.C needs to include <sys/ucontext.h> instead of <context.h> as that header file
> is marked for depreciation.

[jira] Resolved: (RVM-869) Build failure on Snow Leopard

2009-10-21T06:39:26Z

[ http://jira.codehaus.org/browse/RVM-869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Simon Dardis resolved RVM-869.
------------------------------

Resolution: Duplicate
Fix Version/s: svn head

Sorry, duplicate.

[jira] Commented: (RVM-869) Build failure on Snow Leopard

2009-10-21T05:28:26Z

[ http://jira.codehaus.org/browse/RVM-869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=195446#action_195446 ]

Laurence Hellyer commented on RVM-869:
--------------------------------------

This is a duplicate of RVM-856

You should find the patch that was applied to trunk in r15779 (available here: http://jira.codehaus.org/secure/attachment/44323/osx10_6.patch) solves this

Kind regards
Laurence

Laurence Hellyer
Research Student
School of Computing
University of Kent

More info: http://www.cs.kent.ac.uk/people/rpg/lh243/

> Build failure on Snow Leopard
> -----------------------------
>
> Key: RVM-869
> URL: http://jira.codehaus.org/browse/RVM-869
> Project: RVM
> Issue Type: Bug
> Components: Operating System: OSX
> Affects Versions: 3.1.0
> Environment: Macbook OS X 10.6
> Reporter: Simon Dardis
> Priority: Minor
>
> I attempted to build the RVM on OS X 10.6/Snow Leopard and it didn't succeed. I did find that
> it's a minor fix to get it working on 10.6.
> The build/hosts/ia32-osx.properties file needs to include "-arch i386" in the compiler flags for g++.
> The tools/bootImageRunner/RunBootImage.C needs to include <sys/ucontext.h> instead of <context.h> as that header file
> is marked for depreciation.

[jira] Created: (RVM-869) Build failure on Snow Leopard

2009-10-21T03:34:27Z

Build failure on Snow Leopard
-----------------------------

Key: RVM-869
URL: http://jira.codehaus.org/browse/RVM-869
Project: RVM
Issue Type: Bug
Components: Operating System: OSX
Affects Versions: 3.1.0
Environment: Macbook OS X 10.6
Reporter: Simon Dardis
Priority: Minor

I attempted to build the RVM on OS X 10.6/Snow Leopard and it didn't succeed. I did find that
it's a minor fix to get it working on 10.6.

The build/hosts/ia32-osx.properties file needs to include "-arch i386" in the compiler flags for g++.

The tools/bootImageRunner/RunBootImage.C needs to include <sys/ucontext.h> instead of <context.h> as that header file
is marked for depreciation.

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[jira] Created: (RVM-868) Method resolution code unable to resolve methods in some cases

2009-10-20T10:18:26Z

Method resolution code unable to resolve methods in some cases
--------------------------------------------------------------

Key: RVM-868
URL: http://jira.codehaus.org/browse/RVM-868
Project: RVM
Issue Type: Bug
Reporter: Suriya Subramanian
Priority: Critical
Attachments: crash.txt, ResolverTestCase.java

Looks like the method resolution code MethodReference.resolveInternal() is incorrect. It does not look for methods implemented in interfaces implemented by a class. In contrast, FieldReference.resolveInternal() looks in all super classes and interfaces a class implements. I am attaching a simple test program that demonstrates this bug. This bug exists in SVN r15788.

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How to make use of the Debug variable (public static boolean DEBUG = false)??

2009-10-19T08:26:44Z

Hi
I am a newbie to JikesRVM. I am going through the jikes code base and I come across this DEBUG variable which is checked while to display some additional information... How can I make use of this DEBUG variable.
Also I want to use the command line options to print the produced IR till a certain stage, I am using the command
rvm -X:opt:<print_all_IR>=true classname
which will not work. It gives the error message as print_all_ir: no such file or directory.
Please help me on this.. Any suggestions are welcome.

[jira] Created: (RVM-867) Incomplete comment for alignAllocation in Allocator.java

2009-10-19T06:10:27Z

Incomplete comment for alignAllocation in Allocator.java
--------------------------------------------------------

Key: RVM-867
URL: http://jira.codehaus.org/browse/RVM-867
Project: RVM
Issue Type: Bug
Components: MMTk
Affects Versions: 3.1.0, 3.0.1, 3.0, 2.9.3, 2.9.2, 2.9.1, 2.9.0.1, 2.9.0
Reporter: Thomas Preud'homme
Priority: Trivial

Commit 10384 introduced a new parameter (fillAlignmentGap) in alignAllocation (Allocator.java) which isn't commented by the function comment.

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[jira] Commented: (RVM-864) Build fails.

2009-10-19T05:21:26Z

[ http://jira.codehaus.org/browse/RVM-864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=195235#action_195235 ]

N V Krishna commented on RVM-864:
---------------------------------

I got this working - by setting JAVA_HOME in /etc/ant.conf.

Krishna.

> Build fails.
> ------------
>
> Key: RVM-864
> URL: http://jira.codehaus.org/browse/RVM-864
> Project: RVM
> Issue Type: Bug
> Components: Infrastructure: Build
> Affects Versions: 3.0.1, 3.1.0
> Environment: Linux (IBM OC). Intel Box.
> Reporter: N V Krishna
>
> I am trying to build jikes RVM, using the following command:
> ant -Dhost.name=x86_64-linux -Dconfig.name=development
> And it fails (for both jikes 3.0.1 and 3.1.0), using different versions of java.
> build-bootimage:
> [echo] Building bootimage. Output redirected to : /local/jikesrvm-3.0.1/target/development_x86_64-linux/BootImageWriterOutput.txt
> [echo] MMTk properties = /local/jikesrvm-3.0.1/build/mmtk/default.properties
> [java] BootImageWriter: compiler arg: O2
> [java] Java Result: 1
> [echo] BootImageWriter: starting up
> [echo] BootImageCompiler: init (opt compiler)
> [echo] BootImageWriter: loading
> [echo] java.lang.NoClassDefFoundError: java.util.Collections$2
> [echo] at org.jikesrvm.classloader.BootstrapClassLoader.loadVMClass(BootstrapClassLoader.java:133)
> [echo] at org.jikesrvm.classloader.TypeReference.resolveInternal(TypeReference.java:788)
> [echo] at org.jikesrvm.classloader.TypeReference.resolve(TypeReference.java:762)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.createBootImageObjects(BootImageWriter.java:1300)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.main(BootImageWriter.java:897)
> [echo] Caused by: java.lang.VerifyError: java.util.Collections$ReverseComparator
> [echo] at com.ibm.oti.vm.VM.findClassOrNull(Native Method)
> [echo] at com.ibm.oti.vm.BootstrapClassLoader.loadClass(BootstrapClassLoader.java:62)
> [echo] at java.lang.Class.forNameImpl(Native Method)
> [echo] at java.lang.Class.forName(Class.java:169)
> [echo] at org.jikesrvm.classloader.RVMType.createClassForType(RVMType.java:565)
> [echo] at org.jikesrvm.classloader.RVMType.<init>(RVMType.java:259)
> [echo] at org.jikesrvm.classloader.RVMClass.<init>(RVMClass.java:1176)
> [echo] at org.jikesrvm.classloader.RVMClass.readClass(RVMClass.java:1545)
> [echo] at org.jikesrvm.classloader.RVMClassLoader.defineClassInternal(RVMClassLoader.java:336)
> [echo] at org.jikesrvm.classloader.BootstrapClassLoader.loadVMClass(BootstrapClassLoader.java:120)
> [echo] ... 4 more
> [echo] Exception in thread "main" java.lang.Error:
> [echo] BootImageWriter: /local/jikesrvm-3.0.1/target/development_x86_64-linux/Primordials.txt contains a class named "Ljava/util/Collections$2;", but we can't find a class with that name: java.lang.NoClassDefFoundError: java.util.Collections$2
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriterMessages.fail(BootImageWriterMessages.java:26)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.createBootImageObjects(BootImageWriter.java:1303)
> [echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.main(BootImageWriter.java:897)
> BUILD FAILED
> /local/nvk/t/jikesrvm-3.0.1/build.xml:1418: The following error occurred while executing this line:
> /local/nvk/t/jikesrvm-3.0.1/build.xml:1427: Failed to write bootimage.
> Total time: 2 minutes 0 seconds
> --------------------------
> This must be something straight forward (I hope). Can someone point at what I am missing?

[jira] Created: (RVM-866) Update javadoc for function main in AnnotationAdder.java

2009-10-19T05:09:26Z

Update javadoc for function main in AnnotationAdder.java
--------------------------------------------------------

Key: RVM-866
URL: http://jira.codehaus.org/browse/RVM-866
Project: RVM
Issue Type: Bug
Components: Infrastructure: Build
Affects Versions: 3.1.0, 3.0.1, 3.0, svn head
Reporter: Thomas Preud'homme
Priority: Trivial

Wrong comment in AnnotationAdder.java for the main method.
Since commit 14455 comments no longer reflect what is done:
Former args[0] and args[1] became args[1] and args[2] respectively while args[0] is now path to classLibrary

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[jira] Created: (RVM-865) Run svn with LANG=C in extract-svn-version

2009-10-19T04:39:26Z

Run svn with LANG=C in extract-svn-version
------------------------------------------

Key: RVM-865
URL: http://jira.codehaus.org/browse/RVM-865
Project: RVM
Issue Type: Bug
Components: Infrastructure: Build
Affects Versions: 3.1.0, 3.0.1, 3.0, 2.9.3, 2.9.2, 2.9.1, 2.9.0.1, svn head
Environment: Systems on which LANG!=english

Reporter: Thomas Preud'homme
Priority: Minor

svn info | grep "Revision: " as done by extract-svn-info in build/base.xml should set LANG=C to work on systems with LANG=whatever because svn info output is LANG dependant.

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[jira] Created: (RVM-864) Build fails.

2009-10-18T12:16:26Z

Build fails.
------------

Key: RVM-864
URL: http://jira.codehaus.org/browse/RVM-864
Project: RVM
Issue Type: Bug
Components: Infrastructure: Build
Affects Versions: 3.1.0, 3.0.1
Environment: Linux (IBM OC). Intel Box.
Reporter: N V Krishna

I am trying to build jikes RVM, using the following command:
ant -Dhost.name=x86_64-linux -Dconfig.name=development

And it fails (for both jikes 3.0.1 and 3.1.0), using different versions of java.

build-bootimage:
[echo] Building bootimage. Output redirected to : /local/jikesrvm-3.0.1/target/development_x86_64-linux/BootImageWriterOutput.txt
[echo] MMTk properties = /local/jikesrvm-3.0.1/build/mmtk/default.properties
[java] BootImageWriter: compiler arg: O2
[java] Java Result: 1
[echo] BootImageWriter: starting up
[echo] BootImageCompiler: init (opt compiler)
[echo] BootImageWriter: loading
[echo] java.lang.NoClassDefFoundError: java.util.Collections$2
[echo] at org.jikesrvm.classloader.BootstrapClassLoader.loadVMClass(BootstrapClassLoader.java:133)
[echo] at org.jikesrvm.classloader.TypeReference.resolveInternal(TypeReference.java:788)
[echo] at org.jikesrvm.classloader.TypeReference.resolve(TypeReference.java:762)
[echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.createBootImageObjects(BootImageWriter.java:1300)
[echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.main(BootImageWriter.java:897)
[echo] Caused by: java.lang.VerifyError: java.util.Collections$ReverseComparator
[echo] at com.ibm.oti.vm.VM.findClassOrNull(Native Method)
[echo] at com.ibm.oti.vm.BootstrapClassLoader.loadClass(BootstrapClassLoader.java:62)
[echo] at java.lang.Class.forNameImpl(Native Method)
[echo] at java.lang.Class.forName(Class.java:169)
[echo] at org.jikesrvm.classloader.RVMType.createClassForType(RVMType.java:565)
[echo] at org.jikesrvm.classloader.RVMType.<init>(RVMType.java:259)
[echo] at org.jikesrvm.classloader.RVMClass.<init>(RVMClass.java:1176)
[echo] at org.jikesrvm.classloader.RVMClass.readClass(RVMClass.java:1545)
[echo] at org.jikesrvm.classloader.RVMClassLoader.defineClassInternal(RVMClassLoader.java:336)
[echo] at org.jikesrvm.classloader.BootstrapClassLoader.loadVMClass(BootstrapClassLoader.java:120)
[echo] ... 4 more
[echo] Exception in thread "main" java.lang.Error:
[echo] BootImageWriter: /local/jikesrvm-3.0.1/target/development_x86_64-linux/Primordials.txt contains a class named "Ljava/util/Collections$2;", but we can't find a class with that name: java.lang.NoClassDefFoundError: java.util.Collections$2
[echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriterMessages.fail(BootImageWriterMessages.java:26)
[echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.createBootImageObjects(BootImageWriter.java:1303)
[echo] at org.jikesrvm.tools.bootImageWriter.BootImageWriter.main(BootImageWriter.java:897)

BUILD FAILED
/local/nvk/t/jikesrvm-3.0.1/build.xml:1418: The following error occurred while executing this line:
/local/nvk/t/jikesrvm-3.0.1/build.xml:1427: Failed to write bootimage.

Total time: 2 minutes 0 seconds
--------------------------
This must be something straight forward (I hope). Can someone point at what I am missing?

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[jira] Updated: (RVM-863) BumpPointer.scanRegion can cause a page fault

2009-10-18T08:45:26Z

[ http://jira.codehaus.org/browse/RVM-863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Laurence Hellyer updated RVM-863:
---------------------------------

Attachment: statementOfContribution.txt

Attached patch fixs this issue - passes pre commit testing

> BumpPointer.scanRegion can cause a page fault
> ---------------------------------------------
>
> Key: RVM-863
> URL: http://jira.codehaus.org/browse/RVM-863
> Project: RVM
> Issue Type: Bug
> Components: MMTk
> Affects Versions: svn head
> Reporter: Laurence Hellyer
> Fix For: 3.1.1
>
> Attachments: scanRegion.patch, statementOfContribution.txt
>
> Original Estimate: 0 minutes
> Remaining Estimate: 0 minutes
>
> BumpPointer.scanRegion can walk off the end of mapped pages due to an incorrect check. Ensuring that the current objectReference is less than the currentLimit before looking for another object is not enough because the object alignment code can walk up to 16 bytes forward to check if another object is allocated within the region.

[jira] Updated: (RVM-863) BumpPointer.scanRegion can cause a page fault

2009-10-18T08:41:26Z

> BumpPointer.scanRegion can cause a page fault
> ---------------------------------------------
>
> Key: RVM-863
> URL: http://jira.codehaus.org/browse/RVM-863
> Project: RVM
> Issue Type: Bug
> Components: MMTk
> Affects Versions: svn head
> Reporter: Laurence Hellyer
> Fix For: 3.1.1
>
> Attachments: scanRegion.patch
>
> Original Estimate: 0 minutes
> Remaining Estimate: 0 minutes
>
> BumpPointer.scanRegion can walk off the end of mapped pages due to an incorrect check. Ensuring that the current objectReference is less than the currentLimit before looking for another object is not enough because the object alignment code can walk up to 16 bytes forward to check if another object is allocated within the region.

[jira] Created: (RVM-863) BumpPointer.scanRegion can cause a page fault

2009-10-18T08:39:26Z

BumpPointer.scanRegion can cause a page fault
---------------------------------------------

Key: RVM-863
URL: http://jira.codehaus.org/browse/RVM-863
Project: RVM
Issue Type: Bug
Components: MMTk
Affects Versions: svn head
Reporter: Laurence Hellyer
Fix For: 3.1.1

BumpPointer.scanRegion can walk off the end of mapped pages due to an incorrect check. Ensuring that the current objectReference is less than the currentLimit before looking for another object is not enough because the object alignment code can walk up to 16 bytes forward to check if another object is allocated within the region.

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[jira] Subscription: Open RVM Issues

2009-10-14T23:01:28Z

Issue Subscription
Filter: Open RVM Issues (200 of 292 issues)
Subscriber: rvm_notifier

Key Summary
RVM-720 Support for JNI helper methods on PowerPC
http://jira.codehaus.org/browse/RVM-720
RVM-713 Enable x87 exceptions to catch badly behaving code
http://jira.codehaus.org/browse/RVM-713
RVM-254 Problems with SSA form: lack of loop unrolling breaks VM
http://jira.codehaus.org/browse/RVM-254
RVM-229 Nightly tests against Classpath CVS head
http://jira.codehaus.org/browse/RVM-229
RVM-858 GCTrace build failure
http://jira.codehaus.org/browse/RVM-858
RVM-857 Incorrect optimisation after call to native method
http://jira.codehaus.org/browse/RVM-857
RVM-855 Error in XMLParser while loading Document Type Definition (.dtd) file
http://jira.codehaus.org/browse/RVM-855
RVM-853 Protocol handlers do not work with Jikes RVM
http://jira.codehaus.org/browse/RVM-853
RVM-845 Primitive write barrier support
http://jira.codehaus.org/browse/RVM-845
RVM-830 Suspect code in ReflectionBase.invoke
http://jira.codehaus.org/browse/RVM-830
RVM-829 Assertions on invalid 8bit assembler operations
http://jira.codehaus.org/browse/RVM-829
RVM-825 Replay compilation does not account for custom class loaders
http://jira.codehaus.org/browse/RVM-825
RVM-824 integer division doesn't follow VM spec
http://jira.codehaus.org/browse/RVM-824
RVM-822 Improve failure mode for out-of-address-space errors
http://jira.codehaus.org/browse/RVM-822
RVM-816 MMTK: LOG_BYTES_IN_PAGE is a hard coded compile time constant; should make sysCall to determine real value
http://jira.codehaus.org/browse/RVM-816
RVM-809 Image bloat
http://jira.codehaus.org/browse/RVM-809
RVM-799 Use reserve/commit OS rather than mmap as primitive in MMTk for page allocation
http://jira.codehaus.org/browse/RVM-799
RVM-797 PreciseType is set when creating thread temporary registers in the opt compiler
http://jira.codehaus.org/browse/RVM-797
RVM-796 Generalize objectAsThread, objectAsType, etc. magic wih Magic.eatCast
http://jira.codehaus.org/browse/RVM-796
RVM-792 Cattrack mail message header confuses mail readers
http://jira.codehaus.org/browse/RVM-792
RVM-785 handleHandshakeRequest should be called from enterNativeBlockedImpl
http://jira.codehaus.org/browse/RVM-785
RVM-782 Figure out if OSR's use of contextRegisters is correct and/or necessary, given their changed meaning in native threads
http://jira.codehaus.org/browse/RVM-782
RVM-781 GNU Classpath 0.98 causes performance regression in luindex
http://jira.codehaus.org/browse/RVM-781
RVM-780 Figure out why native threads stability is proportional to the number of available processors
http://jira.codehaus.org/browse/RVM-780
RVM-777 Simplify MMTk--VM glue code
http://jira.codehaus.org/browse/RVM-777
RVM-772 Decide what 'available' processors means on native threads
http://jira.codehaus.org/browse/RVM-772
RVM-771 Don't remember array copies (mutator array remset) when both the destination and source are in the mature space
http://jira.codehaus.org/browse/RVM-771
RVM-770 MMTk barrier interface forces inefficient x86 instruction selection
http://jira.codehaus.org/browse/RVM-770
RVM-769 Clean up situation with pre-copy and @NonMoving
http://jira.codehaus.org/browse/RVM-769
RVM-755 Tweaks to optimizing compilation to improve the performance of write barriers
http://jira.codehaus.org/browse/RVM-755
RVM-750 Implement Thread.setPriority
http://jira.codehaus.org/browse/RVM-750
RVM-749 Only allow clean/expected transitions in thread execStatus
http://jira.codehaus.org/browse/RVM-749
RVM-745 Use @Intrinsic annotation to drive matching of magic method to magic code generators
http://jira.codehaus.org/browse/RVM-745
RVM-734 Deadlocks when using -X:aos:initial_compiler=opt
http://jira.codehaus.org/browse/RVM-734
RVM-731 Bad reference in baseline IMT.IMTDict.populateIMT
http://jira.codehaus.org/browse/RVM-731
RVM-730 enabling live_range_splitting causes NullPointerException or NoSuchElementException for various benchmarks
http://jira.codehaus.org/browse/RVM-730
RVM-721 Improve extreme assertion sanity checking in regressions
http://jira.codehaus.org/browse/RVM-721
RVM-719 Failure in Harmony's class library tests
http://jira.codehaus.org/browse/RVM-719
RVM-717 Support for var arg JNI methods on 64bit platforms
http://jira.codehaus.org/browse/RVM-717
RVM-716 Remove all uses of unparameterized types
http://jira.codehaus.org/browse/RVM-716
RVM-711 Support for cycle-accurate simulation
http://jira.codehaus.org/browse/RVM-711
RVM-710 Multiple bugs/crashes on DaCapo while varying command line parameters
http://jira.codehaus.org/browse/RVM-710
RVM-699 Race in reclaiming compiled methods
http://jira.codehaus.org/browse/RVM-699
RVM-692 Classpath Thread operations not supported because VMThreadMXBeanImpl is not implemented
http://jira.codehaus.org/browse/RVM-692
RVM-691 Assertion failure in org/jikesrvm/osr/ia32/OptExecutionStateExtractor
http://jira.codehaus.org/browse/RVM-691
RVM-686 Improve modelling of exceptions in IR
http://jira.codehaus.org/browse/RVM-686
RVM-678 Dynamic linker instructions in data image
http://jira.codehaus.org/browse/RVM-678
RVM-677 Tableswitch performance
http://jira.codehaus.org/browse/RVM-677
RVM-675 Chunk linked list broken on discontiguous space
http://jira.codehaus.org/browse/RVM-675
RVM-670 Bad reference maps in JBB '05
http://jira.codehaus.org/browse/RVM-670
RVM-663 Using object barrier casues sssertion failures in ObjectReferenceDeque.insert & other crashes
http://jira.codehaus.org/browse/RVM-663
RVM-659 Scalar SSA-based optimizations
http://jira.codehaus.org/browse/RVM-659
RVM-658 O2 Loop optimizations
http://jira.codehaus.org/browse/RVM-658
RVM-657 Enable scalar SSA form for HIR/LIR
http://jira.codehaus.org/browse/RVM-657
RVM-656 Re-enable O2 optimizations disabled for stability drive
http://jira.codehaus.org/browse/RVM-656
RVM-649 build failure on PPC OS X 10.5 (Leopard)
http://jira.codehaus.org/browse/RVM-649
RVM-648 Allow promotion into LOS
http://jira.codehaus.org/browse/RVM-648
RVM-647 Allow nursery to be discontiguous
http://jira.codehaus.org/browse/RVM-647
RVM-642 Problem with CMID/stackframe mapping in reflection
http://jira.codehaus.org/browse/RVM-642
RVM-635 Harmony, use the zip cache pool api
http://jira.codehaus.org/browse/RVM-635
RVM-630 Build support for Windows
http://jira.codehaus.org/browse/RVM-630
RVM-626 Objects in SortTODObjectReferenceStack popped from data structure in wrong order, causing Merlin traces to be incorrect
http://jira.codehaus.org/browse/RVM-626
RVM-622 Skipping Harmony classlib building, just copy over deploy/
http://jira.codehaus.org/browse/RVM-622
RVM-620 DaCapo jython fails with Apache Harmony class library
http://jira.codehaus.org/browse/RVM-620
RVM-618 DaCapo chart fails with Apache Harmony class library
http://jira.codehaus.org/browse/RVM-618
RVM-602 OSR bytecodes cause the opt compiler bcIndex to be unintelligible
http://jira.codehaus.org/browse/RVM-602
RVM-601 Make BootImageWriterOutput.txt easily accessible from cattrack
http://jira.codehaus.org/browse/RVM-601
RVM-595 Checks when creating object references in opt compilation
http://jira.codehaus.org/browse/RVM-595
RVM-581 Enable recompilation of Uninterruptible and Unpreemptible code
http://jira.codehaus.org/browse/RVM-581
RVM-577 implement induction variable elimination
http://jira.codehaus.org/browse/RVM-577
RVM-567 Advanced loop transformations
http://jira.codehaus.org/browse/RVM-567
RVM-566 JNI: Implement AttachCurrentThread/DetachCurrentThread
http://jira.codehaus.org/browse/RVM-566
RVM-565 implement JNI_CreateJavaVM
http://jira.codehaus.org/browse/RVM-565
RVM-557 JNI: load libraries should be by classloader, not global
http://jira.codehaus.org/browse/RVM-557
RVM-551 Experiment with object collocation
http://jira.codehaus.org/browse/RVM-551
RVM-549 Initial support for OpenJDK class library
http://jira.codehaus.org/browse/RVM-549
RVM-545 java.lang.instrument support for Harmony
http://jira.codehaus.org/browse/RVM-545
RVM-535 B2 Compiler
http://jira.codehaus.org/browse/RVM-535
RVM-533 Implement generic reflection API in Apache Harmony
http://jira.codehaus.org/browse/RVM-533
RVM-530 Conditional stationary field constraints
http://jira.codehaus.org/browse/RVM-530
RVM-524 Add support for Strings that don't copy their contents to Harmony
http://jira.codehaus.org/browse/RVM-524
RVM-516 Infer pure methods through compiler and bytecode analysis
http://jira.codehaus.org/browse/RVM-516
RVM-509 Move barrier operations into opt compiler HIR
http://jira.codehaus.org/browse/RVM-509
RVM-503 2 types of pure annotation to deal with dead code elimination and exceptions
http://jira.codehaus.org/browse/RVM-503
RVM-496 Use PC relative calls for sysCall and native method invocation
http://jira.codehaus.org/browse/RVM-496
RVM-491 Unsupported operations in javax.imageio
http://jira.codehaus.org/browse/RVM-491
RVM-489 Out-of-memory errors in particular during compiler for scimark benchmarks
http://jira.codehaus.org/browse/RVM-489
RVM-488 Problems with ObjectInputStream
http://jira.codehaus.org/browse/RVM-488
RVM-487 Unexpected exceptions in RSA
http://jira.codehaus.org/browse/RVM-487
RVM-486 Support 21bit keys in AES crypto
http://jira.codehaus.org/browse/RVM-486
RVM-485 Implement BigDecimal.divide(BigDecimal, MathContext)
http://jira.codehaus.org/browse/RVM-485
RVM-484 Fix SPEC jvm 2008
http://jira.codehaus.org/browse/RVM-484
RVM-475 Move to a workqueue for performance regressions
http://jira.codehaus.org/browse/RVM-475
RVM-473 Improved sparklines
http://jira.codehaus.org/browse/RVM-473
RVM-461 Immix code still messy
http://jira.codehaus.org/browse/RVM-461
RVM-448 Add non-nullness information to register operands
http://jira.codehaus.org/browse/RVM-448
RVM-446 Investigate performance regression in Compress
http://jira.codehaus.org/browse/RVM-446
RVM-444 BasicBlock.mergeFallThrough is overly conservative with exception handlers
http://jira.codehaus.org/browse/RVM-444
RVM-438 Barriers within critical VM code
http://jira.codehaus.org/browse/RVM-438
RVM-436 Improvements to Random number generation
http://jira.codehaus.org/browse/RVM-436
RVM-432 Fix GNU classpath build on x86_64
http://jira.codehaus.org/browse/RVM-432
RVM-419 Simple elision of write barriers based on escape analysis
http://jira.codehaus.org/browse/RVM-419
RVM-418 Add breadcrumbs to our unity front page
http://jira.codehaus.org/browse/RVM-418
RVM-415 Better abstraction and identification of helpers
http://jira.codehaus.org/browse/RVM-415
RVM-413 Long running tests using development/extreme assertion configurations
http://jira.codehaus.org/browse/RVM-413
RVM-407 Is VM.disableGC() deprecated?
http://jira.codehaus.org/browse/RVM-407
RVM-405 Improve modularity of major functions within the RVM
http://jira.codehaus.org/browse/RVM-405
RVM-404 New loop unrolling optimizations
http://jira.codehaus.org/browse/RVM-404
RVM-403 Implement the Baker garbage collector
http://jira.codehaus.org/browse/RVM-403
RVM-401 Implement the Compressor garbage collector
http://jira.codehaus.org/browse/RVM-401
RVM-400 Implement on-the-fly garbage collectors
http://jira.codehaus.org/browse/RVM-400
RVM-399 Separate Heap For VM objects
http://jira.codehaus.org/browse/RVM-399
RVM-398 DaCapo 10 iteration lusearch stack walking is significant proportion of runtime (>13%)
http://jira.codehaus.org/browse/RVM-398
RVM-393 Use Inline.When to control inlining within MMTk
http://jira.codehaus.org/browse/RVM-393
RVM-389 Unable to search cattrack
http://jira.codehaus.org/browse/RVM-389
RVM-388 Improved GC visualization
http://jira.codehaus.org/browse/RVM-388
RVM-386 Calling runtime methods doesn't effect the stack overflow check, the stack overflow region seems large (64kb)
http://jira.codehaus.org/browse/RVM-386
RVM-382 Integration of Jikes RVM and JNODE
http://jira.codehaus.org/browse/RVM-382
RVM-373 Support for BrandWeg as a class library
http://jira.codehaus.org/browse/RVM-373
RVM-363 Improve the speed of cat track's graphs
http://jira.codehaus.org/browse/RVM-363
RVM-341 Improved copying in VM_Memory
http://jira.codehaus.org/browse/RVM-341
RVM-334 Send SIGQUIT before terminating process in timedrun
http://jira.codehaus.org/browse/RVM-334
RVM-324 Implement class unloading
http://jira.codehaus.org/browse/RVM-324
RVM-306 IGNORE_REMSETS is not tested, may not be functional
http://jira.codehaus.org/browse/RVM-306
RVM-294 JikesRVM fails to build using a Classpath VM
http://jira.codehaus.org/browse/RVM-294
RVM-292 Bloat performance
http://jira.codehaus.org/browse/RVM-292
RVM-290 Refactor object model so that status word (int) bits are used more intelligently
http://jira.codehaus.org/browse/RVM-290
RVM-289 64bit object model wastes space with array length and status word
http://jira.codehaus.org/browse/RVM-289
RVM-287 Too many space comparison checks in GC code
http://jira.codehaus.org/browse/RVM-287
RVM-263 Compressed references
http://jira.codehaus.org/browse/RVM-263
RVM-251 Extend opt compiler to use pc-relative calls
http://jira.codehaus.org/browse/RVM-251
RVM-250 GC of compiled code that may be the target of a PC-relative call
http://jira.codehaus.org/browse/RVM-250
RVM-248 Build runtime system mechanisms for patching pc-relative calls that target obsolete compiled code
http://jira.codehaus.org/browse/RVM-248
RVM-247 Augment IA32 Baseline compiler to use pc-relative calls for dynamically generated code.
http://jira.codehaus.org/browse/RVM-247
RVM-246 Use PC relative calls for statically resolvable targets
http://jira.codehaus.org/browse/RVM-246
RVM-241 Consider cost of FP compare when performing branch optimizations, flipCode...
http://jira.codehaus.org/browse/RVM-241
RVM-239 Restructuring of how compiler phases are organized, use of pre/post conditions
http://jira.codehaus.org/browse/RVM-239
RVM-238 Late resolution of reflected types
http://jira.codehaus.org/browse/RVM-238
RVM-235 Support for srtictfp
http://jira.codehaus.org/browse/RVM-235
RVM-232 Need to include check for physical memory in determining whether to collect
http://jira.codehaus.org/browse/RVM-232
RVM-228 Turn off bounds checks and null checks in uninterruptible code
http://jira.codehaus.org/browse/RVM-228
RVM-227 Need more scalable global page free list
http://jira.codehaus.org/browse/RVM-227
RVM-192 Investigate the performance of String interning
http://jira.codehaus.org/browse/RVM-192
RVM-190 Structure of org.jikesrvm.memorymanagers.mminterface.Selected is blocking compile time folding of static final booleans
http://jira.codehaus.org/browse/RVM-190
RVM-188 BURS in the DaCapo Jython benchmark is more expensive than normal
http://jira.codehaus.org/browse/RVM-188
RVM-174 Reduce/remove use of ArchitectureSpecific
http://jira.codehaus.org/browse/RVM-174
RVM-169 Initial X86 64 support
http://jira.codehaus.org/browse/RVM-169
RVM-162 Remove x87 code generation from opt compiler.
http://jira.codehaus.org/browse/RVM-162
RVM-160 Performance investigation: trivial loop structures result in major performance differences
http://jira.codehaus.org/browse/RVM-160
RVM-158 Add into our testing infrastructure the mauve test suite
http://jira.codehaus.org/browse/RVM-158
RVM-152 Bytecode verifier
http://jira.codehaus.org/browse/RVM-152
RVM-151 OutOfMemory exceptions should indicate which space was exhausted
http://jira.codehaus.org/browse/RVM-151
RVM-149 Move creation of BootImage object to after creation of boot image objects
http://jira.codehaus.org/browse/RVM-149
RVM-137 Checkcast setting of register type
http://jira.codehaus.org/browse/RVM-137
RVM-134 Make register operand register and type fields private
http://jira.codehaus.org/browse/RVM-134
RVM-127 Implement the VM interfaces for the management beans
http://jira.codehaus.org/browse/RVM-127
RVM-118 Javadoc errors not being reported in sanity reports
http://jira.codehaus.org/browse/RVM-118
RVM-116 Solve/remove comments in ScanThread
http://jira.codehaus.org/browse/RVM-116
RVM-103 Add failure analysis to reports
http://jira.codehaus.org/browse/RVM-103
RVM-95 Switch to building Classpath with javac (stop download of ecj?)
http://jira.codehaus.org/browse/RVM-95
RVM-86 Display Statistically significant changes in statistics in nightly report
http://jira.codehaus.org/browse/RVM-86
RVM-84 VM_JNIFunctions should be generated from a DSL
http://jira.codehaus.org/browse/RVM-84
RVM-79 Dump all registers on a fault on Intel
http://jira.codehaus.org/browse/RVM-79
RVM-74 No special case for space in traceObject
http://jira.codehaus.org/browse/RVM-74
RVM-50 Remove synchronization in Field/MemberReference resolve
http://jira.codehaus.org/browse/RVM-50
RVM-41 Homogenize basic IO methods (usually used during debugging and reporting)
http://jira.codehaus.org/browse/RVM-41
RVM-40 Homogenize Susbsystem Reports
http://jira.codehaus.org/browse/RVM-40
RVM-39 Generate VM_Entrypoints from annotations
http://jira.codehaus.org/browse/RVM-39
RVM-28 Periodically truncate, delete or archive stale data
http://jira.codehaus.org/browse/RVM-28
RVM-12 Tighten bounds in InlineAllocation test
http://jira.codehaus.org/browse/RVM-12
RVM-862 2 static fields using an identic slot
http://jira.codehaus.org/browse/RVM-862
RVM-861 Refactor bulkCopy optimisations for RVMArray arraycopy's
http://jira.codehaus.org/browse/RVM-861
RVM-849 OOM in opt compiler compiling java.lang.Integer.toString in Harmony M10
http://jira.codehaus.org/browse/RVM-849
RVM-823 Fix heap growth manager's reporting of heap size
http://jira.codehaus.org/browse/RVM-823
RVM-820 First iteration of lusearch slowed down between r15685 and r15688 (biased locking)
http://jira.codehaus.org/browse/RVM-820
RVM-815 Cleaner fix to avoid optimizing through final fields that are known to be modified via native code
http://jira.codehaus.org/browse/RVM-815
RVM-812 Increase in failures in small heap perf runs since switch to GenImmix as production
http://jira.codehaus.org/browse/RVM-812
RVM-810 Add cattrack ui to allow authenticated users to upload local test-run files to import/compare against relevant nightly runs.
http://jira.codehaus.org/browse/RVM-810
RVM-805 Pretty printing application stacks
http://jira.codehaus.org/browse/RVM-805
RVM-793 Improve tracing support in RVMThread
http://jira.codehaus.org/browse/RVM-793
RVM-747 Crash during GC while attempting to resize thread stack
http://jira.codehaus.org/browse/RVM-747
RVM-728 Design a mechanism to make it clear which options are internal vs. valid to be set from the command line
http://jira.codehaus.org/browse/RVM-728
RVM-705 Interpret native stack frames using libbfd
http://jira.codehaus.org/browse/RVM-705
RVM-695 Need to better account for virtual memory constraints
http://jira.codehaus.org/browse/RVM-695
RVM-681 Regression tests for MMTk Test Harness
http://jira.codehaus.org/browse/RVM-681
RVM-665 Investigate sigstack/sigaltstack story
http://jira.codehaus.org/browse/RVM-665
RVM-661 ObjectReferenceDeque can return null while isEmpty() is false.
http://jira.codehaus.org/browse/RVM-661
RVM-653 Remove nursery lists from LOS code
http://jira.codehaus.org/browse/RVM-653
RVM-629 Incorrect usage of @Untraced?
http://jira.codehaus.org/browse/RVM-629
RVM-611 Locality improvements via online object reordering (Huang et al OOPSLA 2004)
http://jira.codehaus.org/browse/RVM-611
RVM-586 ArrayIndexOutOfBoundsException in GCSpy
http://jira.codehaus.org/browse/RVM-586
RVM-579 Simplify operations based on # of bits (in int values)
http://jira.codehaus.org/browse/RVM-579
RVM-578 Enhance frequency estimation using Annotated LST
http://jira.codehaus.org/browse/RVM-578
RVM-576 Only buy stackframe in trivial leaf methods if a yieldpoint is actually taken
http://jira.codehaus.org/browse/RVM-576
RVM-575 Increase precision of modeling of checked exceptions at call instructions
http://jira.codehaus.org/browse/RVM-575
RVM-568 Register allocation of expression stack in PPC baseline compiler
http://jira.codehaus.org/browse/RVM-568
RVM-564 Global Array Bounds Check Elimination
http://jira.codehaus.org/browse/RVM-564
RVM-562 More declarative approach to known field initialization in bootImageWriter
http://jira.codehaus.org/browse/RVM-562
RVM-561 Change default thread stack size on command line
http://jira.codehaus.org/browse/RVM-561
RVM-559 Stackframe unwinding of VM_DynamicBridge frames and nonvolatile registers
http://jira.codehaus.org/browse/RVM-559

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[jira] Commented: (RVM-862) 2 static fields using an identic slot

2009-10-12T08:54:26Z

[ http://jira.codehaus.org/browse/RVM-862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=194421#action_194421 ]

Ian Rogers commented on RVM-862:
--------------------------------

Agreed.

> 2 static fields using an identic slot
> -------------------------------------
>
> Key: RVM-862
> URL: http://jira.codehaus.org/browse/RVM-862
> Project: RVM
> Issue Type: Bug
> Components: Runtime: Object Model
> Affects Versions: 3.1.0
> Reporter: Thomas Preud'homme
> Priority: Minor
> Attachments: static_field_with_same_slot.patch
>
> Original Estimate: 5 minutes
> Remaining Estimate: 5 minutes
>
> It seems to me that 2 static fields could use a same slot if a 4 bytes static field is allocated after an 16 bytes static field if nextNumericSlot isn't 8 bytes aligned before the 16 bytes static field is allocated. See lines 324 to 332 of rvm/src/org/jikesrvm/runtime/Statics.java
> It looks like a copy paste of the else code path (request for a 8 bytes static field allocation at line 346) occurs for commit 15244, which is perfectly correct in the else block as nextNumericSlot + 2 gives the slot with the higher id of the 3 slots reserved and leave the 2 slots with lower id .for use by the 8 bytes static field.
> For me line 331 should be replaced by numericSlotHole = nextNumericSlot + 4;

[jira] Created: (RVM-862) 2 static fields using an identic slot

2009-10-12T07:41:27Z

2 static fields using an identic slot
-------------------------------------

Key: RVM-862
URL: http://jira.codehaus.org/browse/RVM-862
Project: RVM
Issue Type: Bug
Components: Runtime: Object Model
Affects Versions: 3.1.0
Reporter: Thomas Preud'homme
Priority: Minor
Attachments: static_field_with_same_slot.patch

It seems to me that 2 static fields could use a same slot if a 4 bytes static field is allocated after an 16 bytes static field if nextNumericSlot isn't 8 bytes aligned before the 16 bytes static field is allocated. See lines 324 to 332 of rvm/src/org/jikesrvm/runtime/Statics.java

It looks like a copy paste of the else code path (request for a 8 bytes static field allocation at line 346) occurs for commit 15244, which is perfectly correct in the else block as nextNumericSlot + 2 gives the slot with the higher id of the 3 slots reserved and leave the 2 slots with lower id .for use by the 8 bytes static field.

For me line 331 should be replaced by numericSlotHole = nextNumericSlot + 4;

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