@Swami, can you try to enable unity staging ppa (ppa:unity-team/staging) and update after that and see if the issue is fixed or not. If its still an issue please do report it using 'ubuntu-bug unity'. Your issue sounds quite important to me.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1042211 Title: [quantal] [regression] [i915] Corrupted display, desktop and menus don't repaint correctly using Mesa 9.0 (8.0.4 works) To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1042211/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp