Another thing to test would be whether i915.i915_enable_rc6=0 makes any difference.
** Summary changed: - Random Xorg freezes occuring hours after login + [snb] random hard lockup whilst using Xv ** Bug watch added: freedesktop.org Bugzilla #62373 https://bugs.freedesktop.org/show_bug.cgi?id=62373 ** Also affects: xserver-xorg-video-intel via https://bugs.freedesktop.org/show_bug.cgi?id=62373 Importance: Unknown Status: Unknown -- 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/1176647 Title: [snb] random hard lockup whilst using Xv To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1176647/+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