The patch worked for me: Sony Vaio SR19 with ATI Mobility Radeon HD 3470 with dual monitor.
As correctly stated by Vanessa (https://bugs.launchpad.net/ubuntu/+bug/357901/comments/47) this patch does not solve "mouse gets stuck on one screen" issue. -- xinerama mouse cursor on every screen https://bugs.launchpad.net/bugs/357901 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs