As stated above, the kernel i915 driver is the most likely place for root cause analysis. Package 'xserver-xorg-video-intel' might be a likely candidate for further investigation. Looking at the changelog (https://launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+changelog) I see a patch was added to allow the user to disable page-flipping, and later a subsequent removal of said patch.
As stated above, the kernel i915 driver is the most likely place for root cause analysis. Package 'xserver- xorg-video- intel' might be a likely candidate for further investigation. Looking at the changelog (https:/ /launchpad. net/ubuntu/ +source/ xserver- xorg-video- intel/+ changelog) I see a patch was added to allow the user to disable page-flipping, and later a subsequent removal of said patch.