Ubuntu bugs with similar backtraces which I suspect are dupes:
https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/383973 Freeze when trying to resume from a blanked screen
https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/383822 Freeze when trying to resume from screensaver
https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/384242 Freeze after DPMS has kicked in
https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/384865 kernel oops with intel graphics when screensaver turns screen off
Ubuntu bugs with similar backtraces which I suspect are dupes:
https:/ /bugs.edge. launchpad. net/ubuntu/ +source/ linux/+ bug/383973
Freeze when trying to resume from a blanked screen
https:/ /bugs.edge. launchpad. net/ubuntu/ +source/ xserver- xorg-video- intel/+ bug/383822
Freeze when trying to resume from screensaver
https:/ /bugs.edge. launchpad. net/ubuntu/ +source/ xserver- xorg-video- intel/+ bug/384242
Freeze after DPMS has kicked in
https:/ /bugs.edge. launchpad. net/ubuntu/ +source/ linux/+ bug/384865
kernel oops with intel graphics when screensaver turns screen off