Sounds like an unitialized mutex. This is a problem on i386, but not really on amd64 so you won't hit it there. Are you doing anything specific when triggering this bug?
-- 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/1207985 Title: compiz assert failure: compiz: pthread_mutex_lock.c:65: __pthread_mutex_lock: Zusicherung »mutex->__data.__owner == 0« nicht erfüllt. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1207985/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
