| Summary: | Major redraw/flicker issues on rv350 after exiting fullscreen app with compiz running | ||
|---|---|---|---|
| Product: | Mesa | Reporter: | Scott Moreau <oreaus> |
| Component: | Drivers/Gallium/r300 | Assignee: | Default DRI bug account <dri-devel> |
| Status: | CLOSED DUPLICATE | QA Contact: | |
| Severity: | major | ||
| Priority: | high | ||
| Version: | git | ||
| Hardware: | Other | ||
| OS: | All | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
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Description
Scott Moreau
2011-05-31 02:01:55 UTC
I probably should mention this is with RV350.. (In reply to comment #2) > With default packages in ubuntu natty 11.04, there is a problem where running > and exiting a fullscreen application with compiz running causes major > redraw/refresh flickering issues. They go away after restarting compiz, but > start again reliably after exiting any fullscreen GL app. Sounds like bug 35452. > Here are the bisect results: > > 2a95568f64a6641a49a2d4855272e9be2ac2db6d is the first bad commit > commit 2a95568f64a6641a49a2d4855272e9be2ac2db6d > Author: Kenneth Graunke <kenneth@whitecape.org> > Date: Wed May 11 07:54:57 2011 -0700 > > i965: Avoid register coalescing away MATH workarounds on Ivybridge. As Dave Airlie pointed out on IRC, that commit can't possibly have any effect on r300g. > As a side note, the problem is actually worse in mesa current master, where it > does not require triggering, but instead is flickering right after X/compiz > start the first time. Sounds like a different problem. Try current Git again first, there have been some fixes for intermittent Gallium texture format related regressions. On Tue, May 31, 2011 at 3:34 AM, <bugzilla-daemon@freedesktop.org> wrote: > https://bugs.freedesktop.org/show_bug.cgi?id=37781 > > --- Comment #2 from Michel Dänzer <michel@daenzer.net> 2011-05-31 02:34:43 > PDT --- > (In reply to comment #2) > > With default packages in ubuntu natty 11.04, there is a problem where > running > > and exiting a fullscreen application with compiz running causes major > > redraw/refresh flickering issues. They go away after restarting compiz, > but > > start again reliably after exiting any fullscreen GL app. > > Sounds like bug 35452. > Yes, it does. > > > > Here are the bisect results: > > > > 2a95568f64a6641a49a2d4855272e9be2ac2db6d is the first bad commit > > commit 2a95568f64a6641a49a2d4855272e9be2ac2db6d > > Author: Kenneth Graunke <kenneth@whitecape.org> > > Date: Wed May 11 07:54:57 2011 -0700 > > > > i965: Avoid register coalescing away MATH workarounds on Ivybridge. > > As Dave Airlie pointed out on IRC, that commit can't possibly have any > effect > on r300g. > Well the md5sums were different from the previous commit but I digress. > > > > As a side note, the problem is actually worse in mesa current master, > where it > > does not require triggering, but instead is flickering right after > X/compiz > > start the first time. > > Sounds like a different problem. Try current Git again first, there have > been > some fixes for intermittent Gallium texture format related regressions. > Now that I know the problem occurs intermittently (depending whether the frame fullscreen window exits on is odd) and see that disabling pageflipping prevents the issue from happening, I do believe it's most likely the same as the bug you mentioned. This should probably be closed as invalid. |
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