On Tue, 27 Jan 2009, Timo Aaltonen wrote: > On Tue, 27 Jan 2009, Timo Aaltonen wrote: > >> >> Hi >> >> Ubuntu Jaunty began suffering from periodic freezes when switching the >> desktop (in compiz) or doing some other graphically intensive tasks. It >> started with the new kernel that got these patches: >> >> * drm/i915: Don't double-unpin buffers if we take a signal in >> * drm/i915: Don't complain when interrupted while pinning in execbuffers. >> * drm/i915: Don't allow objects to get bound while VT switched. >> * drm/i915: set vblank enabled flag correctly across IRQ >> * drm/i915: don't enable vblanks on disabled pipes >> >> And I suspect it's the vblank patches that broke it, see this comment: >> >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/320813/comments/4 >> >> this is also reported on b.fd.o, but likely the wrong component: >> >> https://bugs.freedesktop.org/show_bug.cgi?id=19676 >> >> This is when using EXA. UXA has it's own problems; X crashes when resuming >> from suspend.. >> >> I can myself reproduce it reliably after a suspend/resume cycle. >> Would be delighted to see this fixed soon :) >> >> >> ps. mesa is 7.3rc3 + 194d039 > > sigh, apparently the old kernel without those patches is affected as well. > So it's something in mesa and/or intel ddx then..
Looks like the culprit is vblank, since it was enabled (well, un-disabled) on the latest mesa build. Disabling it again seems to work around this issue.. t ------------------------------------------------------------------------------ This SF.net email is sponsored by: SourcForge Community SourceForge wants to tell your story. http://p.sf.net/sfu/sf-spreadtheword -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
