Is there any chance that this is related to https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/310228 ?
-- [i965] intel 965 + compiz + suspend -> corrupt alt-tab icons https://bugs.launchpad.net/bugs/285098 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs -- universe-bugs mailing list universe-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/universe-bugs