I made a video because the issue only occurs when I move the mouse. I only captured lightdm but I have exactly the same behaviour on the Desktop aswell. (Is lightdm even using xmir? )
** Attachment added: "VID_20130930_115445.mp4" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1218815/+attachment/3850700/+files/VID_20130930_115445.mp4 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1218815 Title: [radeon] Graphic glitches and screen corruption (vertical lines) on XMir surfaces only To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1218815/+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