If there is no evidence of a GPU hang, it looks like https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video- intel/+bug/1005717
Can you please install xdiagnose and run apport-collect 1222730 after experiencing the corruption so that I can check for other potential causes? -- 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/1222730 Title: adjacent short rows of pixels get swapped round To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1222730/+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
