I found the information I was looking for from David Reveman. It really is a firefox issue.
** Bug watch added: Mozilla Bugzilla #378293 https://bugzilla.mozilla.org/show_bug.cgi?id=378293 ** Also affects: wow-pro (upstream) via https://bugzilla.mozilla.org/show_bug.cgi?id=378293 Importance: Unknown Status: Unknown ** Changed in: compiz (Ubuntu) Status: New => Invalid ** Changed in: firefox (Ubuntu) Importance: Undecided => Medium Status: Invalid => Confirmed -- Enabling Desktop Effects, some part of firefox and thunderbird windows are black for few seconds when I deminimize them. https://bugs.launchpad.net/bugs/113086 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs