On Mon, Sep 5, 2011 at 16:37, Alon Levy <al...@redhat.com> wrote: > Fixes three segmentation faults where it is wrongly assumed the depth > buffer's > renderbuffer's region is not NULL. > > 735794 - verified to be fixed by these three patches (these three apply > to 7.11 almost cleanly, just the second requires minor changes). > > Related RHBZs (maybe solved as well, didn't reproduce): > 734183 - [abrt] gnome-shell-3.1.4-2.gite7b9933.fc16: prepare_depthbuffer > 717140 -[abrt] compiz-0.9.4-2.fc15: prepare_depthbuffer > > Alon Levy (3): > i965: prepare_depthbuffer: fix segfault, rhbz#735794 > i965: prepare_depthbuffer: don't update NULL region'ed surface, > rhbz#735794 > i965: emit_depthbuffer: fix segfault, rhbz#735794 > > src/mesa/drivers/dri/i965/brw_misc_state.c | 7 +++++-- > src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 3 +++ > 2 files changed, 8 insertions(+), 2 deletions(-) > > Hi Alon,
those patches fix the crash you are having, but I am wondering why the crash happened in the first place. E.g., we should not get to the situation where region is NULL under normal cases. >From what it looks like, it could happen when GPU was hung for example. Could you open a bug on freedesktop.org bugzilla and attach dmesg and /sys/kernel/debug/dri/0/i915_error_state, so we could look into it further? -- Eugeni Dodonov
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