On Tue, Sep 06, 2011 at 03:11:25PM -0300, Eugeni Dodonov wrote: > 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? >
I haven't tried to reproduce, sorry, I will probably not get to it this week either. I do have several other display related issues (reverted my patches since, running with the recently updated mesa package in F16), but have not gotten to tracing them. > -- > Eugeni Dodonov _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
