I can confirm that this will happen any-time xinerama is in use. I combine my 6 monitors into 3x twinview pairs, the mouse issue will not happen across each twinview pair, but it will happen when moving the mouse from one twinview set to the next..
I can confirm that this will happen any-time xinerama is in use. I combine my 6 monitors into 3x twinview pairs, the mouse issue will not happen across each twinview pair, but it will happen when moving the mouse from one twinview set to the next..