Bug#800470: vlc: Failed to open VDPAU backend libvdpau_radeonsi.so

[Sebastian Ramacher]

On 2015-09-29 23:44:58, Christian Weinz wrote:
> > Please also install vlc-dbg and produce a backtrace with gdb.
> 
> Please see attachment ‘bt’.
> ...
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fffa19ac700 (LWP 20213)]
> 0x00007fffd2ecda9f in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
> (gdb) bt
> #0  0x00007fffd2ecda9f in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
> #1  0x00007fffdbdace98 in ?? () from /usr/lib/x86_64-linux-gnu/libGL.so.1
> #2  0x00007fffa19af8cf in vlc_gl_Swap (gl=0x7fff900111b8) at ../../include/vlc_opengl.h:87
> #3  Thread (p_data=0x7fffb4010038) at glspectrum.c:552
> #4  0x00007ffff79a60a4 in start_thread (arg=0x7fffa19ac700) at pthread_create.c:309
> #5  0x00007ffff74d706d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
> (gdb) 
> 

Could you also install libgl1-mesa-dri-dbg? Then we would know where in
radionsi_dri.so the segfault happens.

Do you have similar issues with other OpenGL based applications or is vlc the
only one?

Cheers
-- 
Sebastian Ramacher