Bug#698989: libgl1-mesa-dri: glxinfo segmentation fault in nouveau_vieux_dri.so

[Alberto <albertop@aol.it>]

2013/3/13 Sven Joachim <svenjoac@gmx.de>:
> sorry that nobody responded sooner.

Sorry also on my side, for the very late reply of your request of
additional details.

The problem is still present, and the machine has been updated before
repeating the test.

>> *glxinfo* exits with a segmentation fault on my system (nouveau default
>> driver).
>>
>> The error reported in dmesg is
>> glxinfo[4005]: segfault at 4 ip b6d80b01 sp bfb2c160 error 4 in
>> nouveau_vieux_dri.so[b6d65000+360000]
>
> Can you please install the libgl1-mesa-dri-dbg package and try to get a
> backtrace?

Here were are:

Program received signal SIGSEGV, Segmentation fault.
nv04_context_engine (ctx=ctx@entry=0x806ff48) at nv04_context.c:70
70    nv04_context.c: No such file or directory.
(gdb) bt
#0  nv04_context_engine (ctx=ctx@entry=0x806ff48) at nv04_context.c:70
#1  0xb7606508 in nv04_emit_tex_obj (ctx=0x806ff48, emit=65) at
nv04_state_tex.c:64
#2  0xb760455d in nv04_channel_flush_notify (chan=0x82389d8) at
nv04_context.c:99
#3  0xb7fda4ec in nouveau_pushbuf_flush () from
/usr/lib/i386-linux-gnu/libdrm_nouveau.so.1
#4  0xb7fda878 in nouveau_grobj_free () from
/usr/lib/i386-linux-gnu/libdrm_nouveau.so.1
#5  0xb76044c8 in nv04_context_destroy (ctx=0x806ff48) at nv04_context.c:161
#6  0xb75ff818 in nouveau_context_destroy (dri_ctx=0x8062750) at
nouveau_context.c:187
#7  0xb75fbf0a in driDestroyContext (pcp=0x8062750) at ../common/dri_util.c:288
#8  0xb7ee044a in ?? () from /usr/lib/i386-linux-gnu/libGL.so.1
#9  0xb7eba998 in ?? () from /usr/lib/i386-linux-gnu/libGL.so.1
#10 0xb7ebaa1e in ?? () from /usr/lib/i386-linux-gnu/libGL.so.1
#11 0xb7d58653 in XCloseDisplay () from /usr/lib/i386-linux-gnu/libX11.so.6
#12 0x08049b18 in ?? ()
#13 0xb7be0e46 in __libc_start_main () from
/lib/i386-linux-gnu/i686/cmov/libc.so.6
#14 0x0804a2e9 in ?? ()

>> With *glxgears* often (but not always) the desktop freezes, without rotating
>> gears (glxgears window completely black) and without possibility to regain
>> control of the system using the keyboard (but still possible from outside with
>> SSH).
>
> Is there anything in the kernel or X.org logs?

dmesg:
glxinfo[3460]: segfault at 4 ip b6d16af1 sp bfe2ba50 error 4 in
nouveau_vieux_dri.so[b6cfb000+360000]

/var/log/Xorg.0.log:
nothing

--
Alberto