issue with libthr?

[Kubilay Kocak]

On 2/06/2013 2:03 PM, Waitman Gobble wrote:
> On Sat, 1 Jun 2013 11:14:46 -0700 (PDT), Waitman Gobble
> <uzimac at da3m0n8t3r.com> wrote: 
>>
>> On Sat, 1 Jun 2013 20:44:00 +0300, Konstantin Belousov
> <kostikbel at gmail.com>
>> wrote: 
>>>
>>>
>>>
>>> You cannot even guess what is going on without a proper debug information.
>>> Recompile and reinstall the libc/libthr/rtld with the debugging symbols
>>> to get proper backtraces.
>>>
>>> Anyway, two backtraces you demostrated, although not giving much useful
>>> data, look very different.  More, the second backtrace suggests that
>>> there is either a bug in python interposing of malloc or memory
> corruption.
>>
>>
>> Thanks so much for your help, I'll rebuild with debug on next. 
>>
> 
> 
> Hello,
> 
> Perhaps a better backtrace, from python2.7.core created when trying to install
> www/midori
> 
> #0  thr_kill () at thr_kill.S:3
> #1  0x0000000801184ecc in abort () at /usr/src/lib/libc/stdlib/abort.c:65
> #2  0x000000080464aca1 in free (mem=0x8065015b0)
>     at
> /usr/ports/lang/python27/work/Python-2.7.5/Modules/_ctypes/libffi/src/dlmalloc.c:4350
> #3  0x0000000800e4c1af in _pthread_mutex_destroy (mutex=<value optimized
> out>)
>     at /usr/src/lib/libthr/thread/thr_mutex.c:273
> #4  0x00000008010e0def in closedir (dirp=0x803b2dda0)
>     at /usr/src/lib/libc/gen/closedir.c:65
> #5  0x000000000053d482 in posix_listdir (self=0x0, args=0x806425ae0)
>     at ./../Modules/posixmodule.c:2543
> #6  0x000000000057fa6e in PyCFunction_Call (func=0x801920080, arg=0x806425ae0,
> 
>     kw=0x0) at ./../Objects/methodobject.c:81
> #7  0x00000000004e40dd in call_function (pp_stack=0x7fffffff9388, oparg=1)
>     at ./../Python/ceval.c:4021
> #8  0x00000000004dffcd in PyEval_EvalFrameEx (f=0x801a8f9a0, throwflag=0)
>     at ./../Python/ceval.c:2666
> 
> snipped, complete backtrace at https://dx.burplex.com/backtrace.txt
> 
> 
> all ports have been rebuilt, lib_pkgchk returns no missing libraries.
> running FreeBSD 10.0-CURRENT #0 r251216: Sat Jun  1 03:21:48 PDT 2013
> 
> It seems that any program using Python crashes. also, Seamonkey. I do not so
> far notice
>  any other issues with this system. It was working great until an update about
> a week ago.
> 
> seamonkey
> (gdb) bt
> #0  thr_kill () at thr_kill.S:3
> #1  0x000000080316b585 in XRE_InstallX11ErrorHandler ()
>    from /usr/local/lib/seamonkey/libxul.so
> #2  0x0000000800f75286 in handle_signal (actp=<value optimized out>, sig=11,
> 
>     info=0x7fffffffb7f0, ucp=0x7fffffffb480)
>     at /usr/src/lib/libthr/thread/thr_sig.c:237
> #3  0x0000000800f74e89 in thr_sighandler (sig=11, info=<value optimized out>,
> 
>     _ucp=<value optimized out>) at /usr/src/lib/libthr/thread/thr_sig.c:182
> #4  0x00007ffffffff1d3 in ?? ()
> #5  0x0000000800f74d70 in sigaction ()
>     at /usr/src/lib/libthr/thread/thr_sig.c:574
> Previous frame inner to this frame (corrupt stack?)
> Current language:  auto; currently asm
> 
> 
> Thank you.

I wonder if Pythons regression test picks anything up:

./python -m test.regrtest

Run that in $WRKSRC/portbld.static/ after building