Comment 80 for bug 1072206

Still seeing it as well, very frequently. I usually have about 50-80 browser windows open at a time, plus other apps. It happens more frequently when I have more windows open and when I use the computer more.

Ubuntu 14.04
Compiz 1:0.9.11.3+14.04.20150313-0ubuntu1
Unity 7.2.5+14.04.20150603-0ubuntu1
nvidia 304.125-0ubuntu0.0.2
dual-head machine with 2 monitors of different sizes