Hi Jesse, On Sat, Jan 08, 2011 at 03:10:03PM -0800, Jesse Barnes wrote: > On Sat, 8 Jan 2011 16:02:09 +0100 > Daniel Vetter <daniel.vet...@ffwll.ch> wrote: > > I've been tracking down an annoying flickering problem on intel hw > > that completely disappears with vblank_mode=0. Some add-hoc tracing > > all over the stack shows that the pageflip and the render stalling on > > the new backbuffer all happen correctly. But rendering always happens > > to the _same_ buffer, with the obvious effects of garbage (often just > > black) on every second frame and flickering on the other frames due > > to frontbuffer rendering. > > > > Attached is the minimal (and likely incorrect) patch that fixes this > > for me. > > > > Software stack: Everything latest git, safe for the X server, that's > > 1.9.3 as provided by Fedora 14. Problem also exists on 1.9.2 from > > debian experimental. Problem reproducible on all my intel hw, > > irrespective of DE and composition manager. > > > > Some enlightenment preferably in the form of a proper fix highly > > appreciated ;) > > I've seen this too, but last time it was due to me building with old > dri2proto and/or glproto, so Mesa and the server weren't doing the > right thing...
Indeed, excessive use of git clean -fx and recompiling everything seems to have fixed this. Thanks alot for the hint. -Daniel -- Daniel Vetter Mail: dan...@ffwll.ch Mobile: +41 (0)79 365 57 48 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
