Btw, those are just debugging flags, not fixes. So to use them, create your /etc/X11/xorg.conf with one or the other set, wait until the issue reproduces, and then ssh into the frozen machine and collect your /var/log/Xorg.0.log and the output of 'dmesg'.
** Changed in: xserver-xorg-video-intel (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/737110 Title: [arrandale] GPU lockup (IPEHR: 0x01820000) _______________________________________________ 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