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.
The Xorg server in quantal suffers from the following upstream regression for zaphod setups:
https:/ /bugs.freedeskt op.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.