I've been through and reproduced this bug on every release since Precise, using exactly Matthias' test case from comment #202. All my tests were on 64-bit installs, totally up-to-date, with newly-created home directories.
I have not yet personally seen this happen with nouveau, only the proprietary nvidia driver. 02:00.0 VGA compatible controller: NVIDIA Corporation GT218 [GeForce 210] (rev a2) Precise (nvidia-331, lts-saucy stack): restored window is white Quantal (nvidia-304): restored window is transparent Raring (nvidia-310): restored window is transparent Saucy (nvidia-319): restored window is black Trusty (nvidia-331): restored window is black ** Tags added: precise quantal raring saucy trusty -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/729979 Title: [nvidia] Windows appear blank white Status in Compiz: Triaged Status in Compiz Core: Triaged Status in “compiz” package in Ubuntu: Triaged Status in “compiz” source package in Precise: Invalid Bug description: Binary package hint: compiz When switching focus from one window to another, the target window may become blank. See the attached screenshot, where I opened two gnome- terminals and clicked on their titlebars alternately - the issue was triggered after about 5-10 clicks. I've had this happen on other appications too, e.g. software-centre, empathy, etc. HOW TO REPRODUCE: 1. Minimize a window 2. Initiate Scale and deactivate it again (press Super+W to show all windows and then press it again to go back to normal) 3. Click the window icon on the launcher to maximize it again. 4. The window contents will be white or black depending on the Ubuntu version WORKAROUND: Uncheck CCSM -> Ubuntu Unity Plugin -> Switcher -> Show live previews of windows in the Switcher. Side-effect: scale doesn't show minimized windows. To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/729979/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
