The issue is not present in Oneiric. I don't think its worth to backport it so I will mark the bug as invalid.
** Changed in: xserver-xorg-video-nouveau (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/757251 Title: compiz assert failure: compiz: ../../nouveau/nouveau_pushbuf.c:273: nouveau_pushbuf_flush: Assertion `!nouveau_pushbuf_space(chan, min)' failed. To manage notifications about this bug go to: https://bugs.launchpad.net/nux/+bug/757251/+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