I ran into this bug as well running Fedora 13: https://bugzilla.redhat.com/show_bug.cgi?id=615750
We just got it fixed today. I think the information in that report's comments will help you guys fix it in Ubuntu as well. :) ** Bug watch added: Red Hat Bugzilla #615750 https://bugzilla.redhat.com/show_bug.cgi?id=615750 -- compiz crashes on alt-tab when gitk is running https://bugs.launchpad.net/bugs/579112 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs