The symptoms are consistent with a GPU hang, so please try to grab the /sys/kernel/debug/dri/0/i915_error_state after the event (and before rebooting).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1176647 Title: Random Xorg freezes occuring hours after login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1176647/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
