Exact same problem here. I'm using one card and two monitors, with a single monitor rotated 90 degrees (a configuration that isn't possible using TwinView). I see the stuck mouse and lock-up probably once a day. Xorg file attached, and I'm more than willing to help test patches or provide traces.
** Attachment added: "xorg.conf" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/570151/+attachment/1733276/+files/xorg.conf -- mouse stuck between screens with xinerama https://bugs.launchpad.net/bugs/570151 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in ubuntu. _______________________________________________ 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