BTW, this didn't seem to be the case when running xcompmgr on Xgl in edgy with nvidia's proprietary drivers (haven't tried with Xorg on that config yet).
My confirmation is on a Thinkpad T30 with a radeon mobility 7500 chip using the Xorg radeon opensource driver. -- gnome logout prompt is invisible when xcompmgr active https://launchpad.net/bugs/35491 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs