Bug#764757: libgl1-mesa-dri: Segfault in i965_dri.so
On Fri, Oct 10, 2014 at 15:29:58 -0500, Kenny Pearce wrote:
> * What led up to the situation?
> After a major upgrade, many graphics intensive applications
> stopped working. For instance: in Skype calls, remote users could
> see me, but I could not see video of either myself or others
> (blank screen). Cheese crashed on startup. Tarski's World (a
> closed-source Java-based logic software: http://lpl.stanford.edu)
> also crashed on startup. I tried glxgears, and it turned out that
> that also crashed on startup. Note that some of these applications
> are using the amd64 version of the library and some are in i386
> compatibility mode. The programs that were segfaulting identified
> the library file i965_dri.so as the location of the segfault.
> (Either the i386 version or the amd64 version.) I attach the core
> generated by glxgears.
>
For the record the trace is
Program terminated with signal SIGSEGV, Segmentation fault.
#0 get_stencil_miptree (irb=<optimized out>)
at ../../../../../../../src/mesa/drivers/dri/i965/brw_misc_state.c:225
225 ../../../../../../../src/mesa/drivers/dri/i965/brw_misc_state.c: No such file or directory.
(gdb) where
#0 get_stencil_miptree (irb=<optimized out>)
at ../../../../../../../src/mesa/drivers/dri/i965/brw_misc_state.c:225
#1 brw_workaround_depthstencil_alignment (brw=0x7fe58febb038, clear_mask=clear_mask@entry=18)
at ../../../../../../../src/mesa/drivers/dri/i965/brw_misc_state.c:241
#2 0x00007fe58ac50270 in brw_clear (ctx=0x7fe58febb038, mask=18)
at ../../../../../../../src/mesa/drivers/dri/i965/brw_clear.c:235
#3 0x000000000040255e in ?? ()
#4 0x0000000000401d54 in ?? ()
#5 0x00007fe58e97cb45 in __libc_start_main (main=0x4018d0, argc=1, argv=0x7fff8cec4788, init=<optimized out>,
fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff8cec4778) at libc-start.c:287
#6 0x0000000000402332 in ?? ()
Please try upgrading libgl1-mesa-dri to 10.3.x in experimental, and if
that doesn't fix it report upstream following instructions at
https://01.org/linuxgraphics/documentation/how-report-bugs
Thanks,
Julien
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