I've made a breakthrough in understanding this problem. It seems to give me a 100% workaround but of course I can't be sure.
The solution is to use "taskset" to force the "Xorg" and "compiz" processes to always be run on the same CPU. The simple terminal commands are: taskset -pa 1 $(pgrep -x compiz) sudo taskset -pa 1 $(pgrep -x Xorg) You might need to do this before the second monitor is connected. I have run for several hours both in a quiet state and with as much complexity and CPU bashing as the computer can reasonably handle. The high CPU loading makes the system sluggish, but it does not fail. Good luck turning this workaround into a real fix! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1079440 Title: Random complete freeze using dual monitors To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1079440/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
