Me too, using nvidia. Happens every time I resume from suspend. I started experiencing this at the same time when this came up: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/938658
Me too, using nvidia. Happens every time I resume from suspend. I started experiencing this at the same time when this came up: https:/ /bugs.launchpad .net/ubuntu/ +source/ unity/+ bug/938658