Metacity is only used in Unity 2D. So compiz should not be running at all. Please clarify.
** Changed in: metacity (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to metacity in Ubuntu. https://bugs.launchpad.net/bugs/1031609 Title: Metacity causes unity to crash using Gallium 0.4 on ATI RV530 Status in “metacity” package in Ubuntu: Incomplete Bug description: I gather the issue is with compiz because compiz --replace takes care of some random crashes and flickering. Another solution is to edit /usr/share/gnome-session/sessions/ubuntu-2d.session so that on the line that reads DefaultProvider-windowmanager= metacity is replaced with compiz Hardware First generation (2006) Intel MacBook Pro (Intel Core Duo, aka Yonah based processor) with an ATI Mbility Radeon X1600 video card. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: metacity 1:2.34.1-1ubuntu11 ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21 Uname: Linux 3.2.0-27-generic i686 ApportVersion: 2.0.1-0ubuntu11 Architecture: i386 Date: Wed Aug 1 00:38:01 2012 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1) SourcePackage: metacity UpgradeStatus: Upgraded to precise on 2012-03-23 (130 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/metacity/+bug/1031609/+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