Just to add my 2 cents - I run 4 monitors, nvidia drivers (2 8600 GT cards) with Xinerama. This happens to me too. I've noticed it tends to happen exclusively when certain apps are loading (Firefox being a prime example) and I try to move the mouse between screens.
Just to add my 2 cents - I run 4 monitors, nvidia drivers (2 8600 GT cards) with Xinerama. This happens to me too. I've noticed it tends to happen exclusively when certain apps are loading (Firefox being a prime example) and I try to move the mouse between screens.