gtk-gnutella-devel Digest, Vol 29, Issue 4
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gtk-gnutella-devel Digest, Vol 29, Issue 4
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gtk-gnutella-devel@... To subscribe or unsubscribe via the World Wide Web, visit https://lists.sourceforge.net/lists/listinfo/gtk-gnutella-devel or, via email, send a message with subject or body 'help' to gtk-gnutella-devel-request@... You can reach the person managing the list at gtk-gnutella-devel-owner@... When replying, please edit your Subject line so it is more specific than "Re: Contents of gtk-gnutella-devel digest..." Today's Topics: 1. Re: Crash at startup (Raphael Manfredi) 2. Re: Crash at startup (Christian Biere) 3. Re: Crash at startup (Raphael Manfredi) 4. Re: Crash at startup (Christian Biere) 5. Re: Crash at startup (Raphael Manfredi) 6. Re: Crash at startup (Hauke Hachmann) 7. Re: Crash at startup (Christian Biere) 8. Re: Crash at startup (Raphael Manfredi) ---------------------------------------------------------------------- Message: 1 Date: Fri, 29 May 2009 19:38:56 +0000 (UTC) From: Raphael_Manfredi@... (Raphael Manfredi) Subject: Re: [gtk-gnutella-devel] Crash at startup To: gtk-gnutella-devel@... Message-ID: <gvpdkg$v79$1@...> Content-Type: text/plain; charset="iso-8859-1" Quoting Hauke Hachmann <haxe@...> from ml.softs.gtk-gnutella.devel: :On Friday 29 May 2009, Christian Biere wrote: :> This is probably fixed in SVN since r16807 now. : :Nope, the newest revision (16813) still crashes on startup. But with a :different error message this time: : :FATAL: Assertion failure in vmm.c:2311: "amount != 0" Sorry, fixed in r16815. Raphael ------------------------------ Message: 2 Date: Fri, 29 May 2009 21:46:38 +0200 From: Christian Biere <christianbiere@...> Subject: Re: [gtk-gnutella-devel] Crash at startup To: gtk-gnutella-devel@... Message-ID: <20090529194638.GC22203@...> Content-Type: text/plain; charset=utf-8 Hauke Hachmann wrote: > On Friday 29 May 2009, Christian Biere wrote: > > This is probably fixed in SVN since r16807 now. > Nope, the newest revision (16813) still crashes on startup. Indeed, I can still reproduce the issues with Help->FAQ but it takes a bit longer than before. > But with a different error message this time: > FATAL: Assertion failure in vmm.c:2311: "amount != 0" I couldn't reproduce this. Not even on a 32-bit *inux machine. You're using gtk-gnutella on a 64-bit *inux machine, right? I suspect this might be have to do with src/lib/halloc.c which uses a pagetable for 32-bit systems but a less efficient hashtable for other systems. -- Christian ------------------------------ Message: 3 Date: Fri, 29 May 2009 20:02:34 +0000 (UTC) From: Raphael_Manfredi@... (Raphael Manfredi) Subject: Re: [gtk-gnutella-devel] Crash at startup To: gtk-gnutella-devel@... Message-ID: <gvpf0q$3h9$1@...> Content-Type: text/plain; charset="iso-8859-1" Quoting Christian Biere <christianbiere@...> from ml.softs.gtk-gnutella.devel: :Hauke Hachmann wrote: :> On Friday 29 May 2009, Christian Biere wrote: :> > This is probably fixed in SVN since r16807 now. : :> Nope, the newest revision (16813) still crashes on startup. : :Indeed, I can still reproduce the issues with Help->FAQ but :it takes a bit longer than before. This is because vmm_munmap(), in its present form, was wrong. I could swear I had written it correctly, otherwise it's a stupid mistake, sorry. Please test with r16816. Raphael ------------------------------ Message: 4 Date: Fri, 29 May 2009 22:43:39 +0200 From: Christian Biere <christianbiere@...> Subject: Re: [gtk-gnutella-devel] Crash at startup To: gtk-gnutella-devel@... Message-ID: <20090529204339.GA20398@...> Content-Type: text/plain; charset=utf-8 Raphael Manfredi wrote: > Quoting Christian Biere <christianbiere@...> from ml.softs.gtk-gnutella.devel: > :Hauke Hachmann wrote: > :> On Friday 29 May 2009, Christian Biere wrote: > :> > This is probably fixed in SVN since r16807 now. > : > :> Nope, the newest revision (16813) still crashes on startup. > : > :Indeed, I can still reproduce the issues with Help->FAQ but > :it takes a bit longer than before. > > This is because vmm_munmap(), in its present form, was wrong. I could > swear I had written it correctly, otherwise it's a stupid mistake, sorry. This was actually my mistake. I don't like testing against '-1' when the only successful return value is zero. I added a warning in case of failure now, which would have made this inverted logic of mine obvious sooner. I doubt this fixes Hauke's issue though. The assertion failure seems to imply that mmap() didn't like the hint. -- Christian ------------------------------ Message: 5 Date: Fri, 29 May 2009 20:52:42 +0000 (UTC) From: Raphael_Manfredi@... (Raphael Manfredi) Subject: Re: [gtk-gnutella-devel] Crash at startup To: gtk-gnutella-devel@... Message-ID: <gvphuq$8jg$1@...> Content-Type: text/plain; charset="iso-8859-1" Quoting Christian Biere <christianbiere@...> from ml.softs.gtk-gnutella.devel: :I doubt this fixes Hauke's issue though. The assertion failure seems to :imply that mmap() didn't like the hint. Only he can tell that, but my guess is that the hint was falling in a newly mapped region that was not loaded in the kernel pmap, and this triggered a reload. Then it hit my bug whereby I called vmm_reserve_stack(0) and forgot to move down the pre-condition to the region where we have no kernel map loaded in that vmm_reserve_stack() routine. What made me look at vmm_munmap() was the behaviour you described, that was working for me previously. I disabled locally my kernel map loading, hit "Help -> FAQ" and boom. I had the bug. Raphael ------------------------------ Message: 6 Date: Fri, 29 May 2009 23:37:11 +0200 From: Hauke Hachmann <haxe@...> Subject: Re: [gtk-gnutella-devel] Crash at startup To: gtk-gnutella-devel@... Message-ID: <200905292337.11528.haxe@...> Content-Type: Text/Plain; charset="iso-8859-1" On Friday 29 May 2009, Christian Biere wrote: > I couldn't reproduce this. Not even on a 32-bit *inux machine. > You're using gtk-gnutella on a 64-bit *inux machine, right? Correct, I am using x86-64 Linux (current Debian "testing", which means software versions roughly being: kernel 2.6.26, glibc 2.9, GCC 4.3.3). On Friday 29 May 2009, Christian Biere wrote: > I doubt this fixes Hauke's issue though. Again correct (unfortunately). Revision 16818 still crashes at startup. The message this time: FATAL: Assertion failure in vmm.c:755: "foreign" Hauke ------------------------------ Message: 7 Date: Fri, 29 May 2009 23:46:05 +0200 From: Christian Biere <christianbiere@...> Subject: Re: [gtk-gnutella-devel] Crash at startup To: gtk-gnutella-devel@... Message-ID: <20090529214605.GA8504@...> Content-Type: text/plain; charset=utf-8 Hauke Hachmann wrote: > On Friday 29 May 2009, Christian Biere wrote: > > I couldn't reproduce this. Not even on a 32-bit *inux machine. > > You're using gtk-gnutella on a 64-bit *inux machine, right? > > Correct, I am using x86-64 Linux (current Debian "testing", which means > software versions roughly being: kernel 2.6.26, glibc 2.9, GCC 4.3.3). > > On Friday 29 May 2009, Christian Biere wrote: > > I doubt this fixes Hauke's issue though. > > Again correct (unfortunately). Revision 16818 still crashes at startup. > The message this time: > > FATAL: Assertion failure in vmm.c:755: "foreign" Could you provide a stack trace and a cat of /proc/self/maps? Maybe any of it gives some obvious glue. -- Christian ------------------------------ Message: 8 Date: Fri, 29 May 2009 22:09:22 +0000 (UTC) From: Raphael_Manfredi@... (Raphael Manfredi) Subject: Re: [gtk-gnutella-devel] Crash at startup To: gtk-gnutella-devel@... Message-ID: <gvpmei$jd4$1@...> Content-Type: text/plain; charset="iso-8859-1" Quoting Christian Biere <christianbiere@...> from ml.softs.gtk-gnutella.devel: :Hauke Hachmann wrote: :> On Friday 29 May 2009, Christian Biere wrote: :> > I couldn't reproduce this. Not even on a 32-bit *inux machine. :> > You're using gtk-gnutella on a 64-bit *inux machine, right? :> :> Correct, I am using x86-64 Linux (current Debian "testing", which means :> software versions roughly being: kernel 2.6.26, glibc 2.9, GCC 4.3.3). :> :> On Friday 29 May 2009, Christian Biere wrote: :> > I doubt this fixes Hauke's issue though. :> :> Again correct (unfortunately). Revision 16818 still crashes at startup. :> The message this time: :> :> FATAL: Assertion failure in vmm.c:755: "foreign" : :Could you provide a stack trace and a cat of /proc/self/maps? :Maybe any of it gives some obvious glue. And please, could you turn on vmm_debug to 1 and show the last "VMM" messages before the crash? Thanks, Raphael ------------------------------ ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. 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