<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [SNA]mesa xdemo/glxdemo get black window under gnome-shell" href="https://bugs.freedesktop.org/show_bug.cgi?id=64940#c10">Comment # 10</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [SNA]mesa xdemo/glxdemo get black window under gnome-shell" href="https://bugs.freedesktop.org/show_bug.cgi?id=64940">bug 64940</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>Were you using SwapbuffersWait disable? If so you were definitely encountering the race fixed by the attached patch above. However, that race should also be worked around by: commit 6f5fd772c7ca656b86394a0f036d4e0cf5b33d8e Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Date: Thu Jul 25 08:29:55 2013 +0100 sna/dri: Discard the strict checking for stale bo before performing a blit Instead of checking that the DRI2Buffers match up with the current DRI2Drawable, clip the area that is being copied to the minimum extents of the Drawable, source and destination buffers. This ensures that we never read nor write beyond the extents of the allocated or visible regions. Bugzilla: <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED FIXED - [IVB SNA]4kx4k video can't render with vaapi" href="show_bug.cgi?id=67210">https://bugs.freedesktop.org/show_bug.cgi?id=67210</a> Bugzilla: <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED FIXED - [sna] Regression: Steam windows "empty"" href="show_bug.cgi?id=67305">https://bugs.freedesktop.org/show_bug.cgi?id=67305</a> Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>></pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>