Bug#478893: libgl1-mesa-dri: stalls or crashes on GLX

[Brice Goglin <Brice.Goglin@ens-lyon.org>]

Yaroslav Halchenko wrote:
>> Could you install xserver-xorg-core-dbg and libgl1-mesa-dri-dbg and try
>> to catch a better backtrace with gdb? The easiest way would be to ssh
>> from another host, attach gdb with "gdb -p $(pidof X)", reproduce the
>> crash, enter "bt full" in gdb, and send us the output.
>>     
> Sorry about the delay -- and thanks for the pointers. Here is what I got
> so far... please advice if I could do smth more ;-)
>
> attaching and continuing
> (gdb) bt
> #0  0x00002b99533452a3 in select () from /lib/libc.so.6
> #1  0x000000000055eb01 in WaitForSomething (pClientsReady=0x7fff58cca120) at ../../os/WaitFor.c:236
> #2  0x000000000044e0bb in Dispatch () at ../../dix/dispatch.c:425
> #3  0x0000000000436add in main (argc=9, argv=0x7fff58cca6c8, envp=<value optimized out>) at ../../dix/main.c:452
> (gdb) c
> Continuing.
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x2b9953c7f2c0 (LWP 4684)]
> 0x00002b99662bfceb in copy_array_to_vbo_array (brw=0x13c7330, i=<value optimized out>, array=0x1fd0f58, element_size=12, count=983040) at brw_draw_upload.c:263
> 263     brw_draw_upload.c: No such file or directory.
>         in brw_draw_upload.c
> (gdb) 
>   


Please send the output of "bt full" instead of "bt" right here, nothing
else should be needed.

Brice