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tracing while constructing binary segfaults emulator

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	tracing while constructing binary segfaults emulator by Paul Mineiro :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message this is r12b5, happens on both my mac os/x and my ubuntu 32 bit hardy. the exact number of calls to random_binaries before the problem exhibits is variable. cheers, -- p ---------- -module (crash). -export ([ random_binaries/1 ]). random_binary () -> << <<($a + random:uniform ($z - $a)):8>> \|\| _ <- lists:seq (1, 10) >>. random_binaries (N) when N > 0 -> random_binary (), random_binaries (N - 1); random_binaries (_) -> ok. ---------- % erl Erlang (BEAM) emulator version 5.6.5 [source] [async-threads:0] [kernel-poll:false] Eshell V5.6.5 (abort with ^G) 1> c (crash), dbg:tracer (), dbg:p (all, [ call ]), dbg:tpl (crash, dbg:fun2ms (fun (_) -> return_trace () end)), crash:random_binaries (1000). (<0.31.0>) call crash:random_binaries(1000) (<0.31.0>) call crash:random_binary() (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([1,2,3,4,5,6,7,8,9,10],<<>> ) (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([2,3,4,5,6,7,8,9,10],<<"d"> >) ... (<0.31.0>) returned from crash:random_binary/0 -> <<"hulbjkedwk">> (<0.31.0>) call crash:random_binaries(938) (<0.31.0>) call crash:random_binary() (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([1,2,3,4,5,6,7,8,9,10],<<>>) (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([2,3,4,5,6,7,8,9,10],<<0>>) (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([3,4,5,6,7,8,9,10],<<0,0>>) (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([4,5,6,7,8,9,10],<<0,0,0>>) (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([5,6,7,8,9,10],<<0,0,0,0>>) zsh: segmentation fault (core dumped) erl % gdb /usr/lib/erlang/erts-5.6.5/bin/beam core.20527 GNU gdb 6.8-debian Copyright (C) 2008 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "i486-linux-gnu"... (no debugging symbols found) warning: Can't read pathname for load map: Input/output error. Reading symbols from /lib/tls/i686/cmov/libutil.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/libutil.so.1 Reading symbols from /lib/tls/i686/cmov/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/libdl.so.2 Reading symbols from /lib/tls/i686/cmov/libm.so.6... (no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/libm.so.6 Reading symbols from /lib/libncurses.so.5...(no debugging symbols found)...done. Loaded symbols for /lib/libncurses.so.5 Reading symbols from /lib/tls/i686/cmov/libpthread.so.0... (no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/libpthread.so.0 Reading symbols from /lib/tls/i686/cmov/librt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/librt.so.1 Reading symbols from /lib/tls/i686/cmov/libc.so.6... (no debugging symbols found)...done. Loaded symbols for /lib/tls/i686/cmov/libc.so.6 Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/ld-linux.so.2 Reading symbols from /usr/lib/libsctp.so.1... (no debugging symbols found)...done. Loaded symbols for /usr/lib/libsctp.so.1 (no debugging symbols found) Core was generated by `/usr/lib/erlang/erts-5.6.5/bin/beam -- -root /usr/lib/erlang -progname erl -- -'. Program terminated with signal 11, Segmentation fault. [New process 20527] [New process 20531] #0 0x080788e8 in ?? () (gdb) bt #0 0x080788e8 in ?? () #1 0x0807230c in ?? () #2 0x0807462b in erts_alcu_alloc_ts () #3 0x080beb52 in new_binary () #4 0x080bed35 in list_to_binary_1 () #5 0x080fe13c in process_main () #6 0x0807c504 in erl_start () #7 0x08067492 in main () (gdb) q -------------- ________________________________________________________________ erlang-bugs mailing list. See http://www.erlang.org/faq.html erlang-bugs (at) erlang.org
	Re: tracing while constructing binary segfaults emulator by Bugzilla from zerthurd@gmail.com :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message Crashes on R13B1 also -- Maxim Treskin
	Re: tracing while constructing binary segfaults emulator by Paul Mineiro :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message Hi. Sorry to be a pest, but I didn't see this bug acknowledged, and I'm nervous to trace any running system given this. Can I inquire about status? -- p On Wed, 19 Aug 2009, Paul Mineiro wrote: > this is r12b5, happens on both my mac os/x and my ubuntu 32 bit hardy. > the exact number of calls to random_binaries before the problem exhibits > is variable. > > cheers, > > -- p > > ---------- > > -module (crash). > -export ([ random_binaries/1 ]). > > random_binary () -> > << <<($a + random:uniform ($z - $a)):8>> \|\| _ <- lists:seq (1, 10) >>. > > random_binaries (N) when N > 0 -> > random_binary (), > random_binaries (N - 1); > random_binaries (_) -> > ok. > > ---------- > > % erl > Erlang (BEAM) emulator version 5.6.5 [source] [async-threads:0] [kernel-poll:false] > Eshell V5.6.5 (abort with ^G) > 1> c (crash), dbg:tracer (), dbg:p (all, [ call ]), dbg:tpl (crash, dbg:fun2ms (fun (_) -> return_trace () end)), crash:random_binaries (1000). > (<0.31.0>) call crash:random_binaries(1000) > (<0.31.0>) call crash:random_binary() > (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([1,2,3,4,5,6,7,8,9,10],<<>> > ) > (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([2,3,4,5,6,7,8,9,10],<<"d"> > >) > > ... > > (<0.31.0>) returned from crash:random_binary/0 -> <<"hulbjkedwk">> > (<0.31.0>) call crash:random_binaries(938) > (<0.31.0>) call crash:random_binary() > (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([1,2,3,4,5,6,7,8,9,10],<<>>) > (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([2,3,4,5,6,7,8,9,10],<<0>>) > (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([3,4,5,6,7,8,9,10],<<0,0>>) > (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([4,5,6,7,8,9,10],<<0,0,0>>) > (<0.31.0>) call crash:'-random_binary/0-lbc$^0/2-0-'([5,6,7,8,9,10],<<0,0,0,0>>) > zsh: segmentation fault (core dumped) erl > % gdb /usr/lib/erlang/erts-5.6.5/bin/beam core.20527 > GNU gdb 6.8-debian > Copyright (C) 2008 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. Type "show copying" > and "show warranty" for details. > This GDB was configured as "i486-linux-gnu"... > (no debugging symbols found) > > warning: Can't read pathname for load map: Input/output error. > Reading symbols from /lib/tls/i686/cmov/libutil.so.1...(no debugging symbols found)...done. > Loaded symbols for /lib/tls/i686/cmov/libutil.so.1 > Reading symbols from /lib/tls/i686/cmov/libdl.so.2...(no debugging symbols found)...done. > Loaded symbols for /lib/tls/i686/cmov/libdl.so.2 > Reading symbols from /lib/tls/i686/cmov/libm.so.6... > (no debugging symbols found)...done. > Loaded symbols for /lib/tls/i686/cmov/libm.so.6 > Reading symbols from /lib/libncurses.so.5...(no debugging symbols found)...done. > Loaded symbols for /lib/libncurses.so.5 > Reading symbols from /lib/tls/i686/cmov/libpthread.so.0... > (no debugging symbols found)...done. > Loaded symbols for /lib/tls/i686/cmov/libpthread.so.0 > Reading symbols from /lib/tls/i686/cmov/librt.so.1...(no debugging symbols found)...done. > Loaded symbols for /lib/tls/i686/cmov/librt.so.1 > Reading symbols from /lib/tls/i686/cmov/libc.so.6... > (no debugging symbols found)...done. > Loaded symbols for /lib/tls/i686/cmov/libc.so.6 > Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done. > Loaded symbols for /lib/ld-linux.so.2 > Reading symbols from /usr/lib/libsctp.so.1... > (no debugging symbols found)...done. > Loaded symbols for /usr/lib/libsctp.so.1 > (no debugging symbols found) > Core was generated by `/usr/lib/erlang/erts-5.6.5/bin/beam -- -root /usr/lib/erlang -progname erl -- -'. > Program terminated with signal 11, Segmentation fault. > [New process 20527] > [New process 20531] > #0 0x080788e8 in ?? () > (gdb) bt > #0 0x080788e8 in ?? () > #1 0x0807230c in ?? () > #2 0x0807462b in erts_alcu_alloc_ts () > #3 0x080beb52 in new_binary () > #4 0x080bed35 in list_to_binary_1 () > #5 0x080fe13c in process_main () > #6 0x0807c504 in erl_start () > #7 0x08067492 in main () > (gdb) q > > -------------- > > ________________________________________________________________ erlang-bugs mailing list. See http://www.erlang.org/faq.html erlang-bugs (at) erlang.org
	Re: Re: tracing while constructing binary segfaults emulator by Björn Gustavsson :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message On Fri, Sep 11, 2009 at 3:15 AM, Paul Mineiro<paul-trapexit@...> wrote: > Hi. > > Sorry to be a pest, but I didn't see this bug acknowledged, and I'm > nervous to trace any running system given this. > > Can I inquire about status? We'll try to fix it in R13B02. /Bjorn -- Björn Gustavsson, Erlang/OTP, Ericsson AB ________________________________________________________________ erlang-bugs mailing list. See http://www.erlang.org/faq.html erlang-bugs (at) erlang.org
	Re: tracing while constructing binary segfaults emulator by Björn Gustavsson :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message On Thu, Aug 20, 2009 at 6:21 AM, Paul Mineiro <paul-trapexit@...> wrote: > this is r12b5, happens on both my mac os/x and my ubuntu 32 bit hardy. > the exact number of calls to random_binaries before the problem exhibits > is variable. It will be corrected in R13B02. /Bjorn -- Björn Gustavsson, Erlang/OTP, Ericsson AB ________________________________________________________________ erlang-bugs mailing list. See http://www.erlang.org/faq.html erlang-bugs (at) erlang.org