I am also experiencing this bug, very frequently in 16bit color depth as well as 32bit color depth but not as often. However, adding XAANoOffScreenPixmaps to my xorg.conf solves the problem.
-- With compiz running in feisty, text doesn't display in Run Application dialog https://launchpad.net/bugs/82806 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
