Comment 9 for bug 302227

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Ricardo Bánffy (rbanffy) wrote : Re: Cursor movement, screenshot clipping and redraw problems on dual-headed, Intel 945GME desktop after 20081125 compiz/X update

I have another interesting behavior from the computer: The problem did not manifest itself when the X was started in single-head mode and some time later I plugged a monitor with X running.

As it was expected, I plugged the external monitor on the machine, fired up the screen resolution utility and set the screen resolution for the external screen. Surprisingly, when the external monitor became the main screen, the animation artifacts did not manifest and the machine seemed to operate normally. The only catch was that, again, the mouse movement was restricted to the main screen and I had to drag something (the screen-resolution window) cross-monitors in order for it to work.

I hope this helps.