Re: [Gc] GC 7.2e: crash in threadkey_test und er FreeBSD

Hi Vitaly, 

 Since the crash is not observed on 7.2d, could you please bisect the bug?
Thank you

Regards, 
Ivan

Mon, 18 Nov 2013, 18:39 +02:00 from Vitaly Magerya <[email protected]>:
> 
> Hi. So, 7.2e version with the default options (i.e. with threads)
> randomly fails on threadkey_test. The failure itself looks like
> this:
> 
>     $ ./threadkey_test
>     Bad signal in suspend_handler
>     Abort (core dumped)
> 
> The backtrace looks like this:
> 
> (gdb) bt
> #0  0x0000000800d0023c in thr_kill () from /lib/libc.so.7
> #1  0x0000000800da463b in abort () from /lib/libc.so.7
> #2  0x0000000800837fe7 in GC_abort (msg=0x8008417aa "Bad signal in suspend_handler") at misc.c:1472
> #3  0x000000080083ea9c in GC_suspend_handler_inner (sig_arg=0x0, context=0x7fffb79bd130) at pthread_stop_world.c:201
> #4  0x000000080083ea4e in GC_suspend_handler (sig=0, info=0x7fffb79bd4c0, context=0x7fffb79bd130) at pthread_stop_world.c:187
> #5  0x0000000800a870fe in pthread_sigmask () from /lib/libthr.so.3
> #6  0x0000000800a872f4 in pthread_sigmask () from /lib/libthr.so.3
> #7  0x0000000800a87cfc in sigaction () from /lib/libthr.so.3
> #8  0x0000000800a8a47a in pthread_kill () from /lib/libthr.so.3
> #9  0x000000080060849c in dlopen () from /libexec/ld-elf.so.1
> #10 0x00000008006020bd in .text () from /libexec/ld-elf.so.1
> #11 0x0000000000000246 in ?? ()
> #12 0xffffffff813e1e58 in ?? ()
> #13 0xfffffe006b320950 in ?? ()
> #14 0x0000000000000000 in ?? ()
> 
> This is on FreeBSD 9.2-RELEASE amd64; the library was built with:
> 
>     ./configure && make
> 
> You can take a look at the build log at [1] (that is not from
> my system, but it's close enough).
> 
> Now, I don't fully remember if this is the same problem I've
> reported before; if it is, let the message be archived as a
> reference.
> 
> [1]  http://redports.org/~magv/20131118145301-61301-159918/boehm-gc-threaded-7.2e.log
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> 

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