Public bug reported: I used the workaround described in https://bugs.launchpad.net/compiz/+bug/1021104 :
CCSM > Workarounds > Force full screen redraws (buffer swap) on repaint = ON Screen corruption is now gone, but the screen flickers at every refresh, and while flickering the same screen corruption as before can be seen. ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: compiz 1:0.9.8+bzr3249-0ubuntu4 ProcVersionSignature: Ubuntu 3.5.0-10.10-generic 3.5.1 Uname: Linux 3.5.0-10-generic x86_64 ApportVersion: 2.4-0ubuntu8 Architecture: amd64 Date: Thu Aug 23 11:02:16 2012 InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) PackageArchitecture: all SourcePackage: compiz UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: compiz Importance: High Status: New ** Affects: compiz (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug llvmpipe quantal running-unity -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/1040484 Title: In virtualbox, the screen flickers at each redraw To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1040484/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp