Bug#415292: libgl1-mesa-glx: assertion failure in libGL.so.1

[Brice Goglin]

Nikita V. Youshchenko wrote:
>> could you install the -dbg package and get a stack trace with gdb when
>> the problem happens?
>>     
>
> It's not that easy with wine :(, since it operates with non-ELF executable 
> formats, and gdb is confused and does not show anything useful:
>
> ...
> e/skel/c/windows/winhelp.exe: glxcmds.c:343: CreateContext: Assertion 
> `mode != ((void *)0)' failed.
>
> Program received signal SIGABRT, Aborted.
> 0xb7f07410 in ?? ()
> (gdb) where
> #0  0xb7f07410 in ?? ()
> #1  0x0033ec38 in ?? ()
> #2  0x00000006 in ?? ()
> #3  0x00006cfb in ?? ()
> #4  0xb7caa811 in ?? () from /lib/tls/i686/cmov/libc.so.6
> #5  0xb7cabfb9 in srandom_r () from /lib/tls/i686/cmov/libc.so.6
> #6  0x00000006 in ?? ()
> #7  0x0033ecd8 in ?? ()
> #8  0x00000000 in ?? ()
>   

Ok, not very useful.

> Wine's internal debugger shows more:
>
> Backtrace:
> =>1 0xb7ffd410 (0x0034ecb8)
>   2 0xb7da1fb9 abort+0x109 in libc.so.6 (0x0034ede4)
>   3 0xb7d99fbf __assert_fail+0x10f in libc.so.6 (0x0034ee28)
>   4 0x7e71aac6 in libgl.so.1 (+0x1cac6) (0x0034ee68)
>   5 0x7e71abf2 glXCreateContext+0x32 in libgl.so.1 (0x0034ee88)
>   6 0x7e8e7c2a in winex11 (+0x37c2a) (0x0034ef08)
>   7 0x7e8e839a X11DRV_setup_opengl_visual+0x3a in winex11 (0x0034ef98)
>   8 0x7e8fdc11 in winex11 (+0x4dc11) (0x0034f0e8)
> That's enough to find point inside wine sources from where call to libGL 
> happens, in is inside X11DRV_setup_opengl_visual().
>   

Would you mind reporting all this upstream at
https://bugs.freedesktop.org/index.cgi, product Mesa, component GLX? If
you can't, let me know, I take care of it.

Thank you
Brice