Comment 34 for bug 296167

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Nelson (nrescobar+lp) wrote : Re: X.org will intermittently stop responding to mouse clicks on Ibex with Xinerama

After having run into this problem twice within 15 minutes I noticed exactly what I was doing when it happened, and tried repeating it. In both cases, I was moving out of a firefox window on my Screen0 to a window on Screen1.

After a little experimentation, now I can pretty much cause the mouse to quite working withing 30 seconds of trying. Open up two firefox windows and put one each screen, leaving a small gap of background between the firefox window and the edge of the screen. Now flick your mouse between both firefox windows (I have focus following the mouse). For me, within 20 flicks the mouse stops working and starts misbehaving.

I've also gotten it to start misbehaving with two emacs windows, but firefox seems the best choice for reproducing it quickly for me. Someone else should give the above method a try and confirm it reproduces the problem in a short time. Having a quick way of reproducing the problem might help this bug along.