Created attachment 561328 [details] Screenshot Steps to reproduce: - Load https://bugzilla.mozilla.org/attachment.cgi?id=550627 (testcase from bug 676443) - Tap on the "Move 10px to the right every 50ms" (top button) After a while, when the green block has moved to the right edge of the window, I get to see checkerboarding at the bottom. I get a regression range for this between 2011-08-25 and 2011-08-26: http://hg.mozilla.org/mozilla-central/pushloghtml?startdate=2011-08-25+04%3A00%3A00&enddate=2011-08-26+09%3A00%3A00 I assume this is a regression of bug
I mean, I assume this is a regression from bug 680126.
Mass resolving XUL Fennec I filed to WORKSFORME. If someone still cares about this bug, please reopen.