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Date: Thu, 12 Jun 2003 00:17:49 +0900
From: Alexander Nedotsukov <bland@mail.ru>
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To: Daniel Eischen <eischen@pcnet.com>
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cc: threads@freebsd.org
Subject: Re: nvidia OpenGL and lib{thr,kse} related crash
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Daniel Eischen wrote:

>You can try this patch, but I don't really think that's the problem.
>I think %gs is getting clobbered.  Apply patch to
>libpthread/thread/thr_spec.c.
>
>  
>
Well, here is the result.

Breakpoint 1, _pthread_key_create (key=0x2813c220,
    destructor=0x28122c90 <__nvsym15484+240>)
    at /usr/src/lib/libpthread/thread/thr_spec.c:62
62              if (_thr_initial == NULL)
(gdb) n
64              curthread = _get_curthread();
(gdb) info registers
eax            0x28237108       673411336
ecx            0x0      0
edx            0x0      0
ebx            0x282374a4       673412260
esp            0xbfbff998       0xbfbff998
ebp            0xbfbff9b0       0xbfbff9b0
esi            0x8059000        134582272
edi            0x425    1061
eip            0x2821fbb9       0x2821fbb9
eflags         0x206    518
cs             0x1f     31
ss             0x2f     47
ds             0x2f     47
es             0x2f     47
fs             0x2f     47
gs             0x37     55
fctrl          0x127f   4735
fstat          0x0      0
ftag           0x0      0
fiseg          0x1f     31
fioff          0x284c56e4       676091620
foseg          0x2f     47
fooff          0x28763cd0       678837456
fop            0x11d    285
(gdb) n
 
Program received signal SIGBUS, Bus error.
_get_curthread () at /usr/src/lib/libpthread/thread/thr_kern.c:1818
1818            return (_ksd_curthread);


All the best,
Alexander.