I've also been able to hit this with openbox and xcompmgr or cairo- compmgr, and only with gnome-panel. It may not be a gnome-panel bug, but a common behavior in compositing managers that can be triggered by gnome-panel.
** Also affects: xcompmgr (Ubuntu) Importance: Undecided Status: New ** Bug watch added: GNOME Bug Tracker #606431 https://bugzilla.gnome.org/show_bug.cgi?id=606431 ** Also affects: gnome-panel via https://bugzilla.gnome.org/show_bug.cgi?id=606431 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/147943 Title: [MASTER] broken initial stacking (was: compiz hides quick loading windows at login) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs