Could you attach your /var/log/messages from after reproducing this? If it shows errors related to DMAR it might be this bug: https://bugzilla.redhat.com/show_bug.cgi?id=538163
** Bug watch added: Red Hat Bugzilla #538163 https://bugzilla.redhat.com/show_bug.cgi?id=538163 ** Changed in: xserver-xorg-video-intel (Ubuntu) Status: Confirmed => Incomplete -- [i945gm] System freeze induced by Chrome https://bugs.launchpad.net/bugs/546871 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. _______________________________________________ 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