Added my Xorg.0.log. BTW tried an earlier kernel 2.6.37, but did freeze as well.
** Attachment added: "Xorg.0.log" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/711434/+attachment/1826776/+files/Xorg.0.log -- 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/711434 Title: [natty] frequent Xorg freezes with nouveau _______________________________________________ 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