Upgrading to the ubuntu8 package set did not help me. Loking at the text in the fix:
> * Revert the change to 500_pointer_barrier_thresholds.diff, causes issues with unity launcher. Does not really look like the text for the patch applied in the freedesktop bug: > 0001-dix-fix-zaphod-screen-scrossing-54654.patch I have not looked at the content but again; This does not fix my X. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1068920 Title: Pointer screen crossings broken in Xorg server 1.13.0 (regression) Status in X.Org X server: Fix Released Status in “xorg-server” package in Ubuntu: Fix Committed Status in “xorg-server” source package in Quantal: Triaged Bug description: The Xorg server in quantal suffers from the following upstream regression for zaphod setups: https://bugs.freedesktop.org/show_bug.cgi?id=54654 When you move the mouse into the second screen, it gets trapped there. When it gets to the edge where it should move back onto the first screen, it wraps around to the far edge of the second screen again. I've rebuilt xserver-xorg-core with the attached patch, which comes from the upstream bug above, and confirmed it fixes this issue. To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1068920/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

