I'm also experiencing this exact problem for some months now (using Ubuntu 14.10 and 14.04) with an Intel and Nvidia (Optimus) graphic cards..
Workaround seems to work well here. The only thing is that my windows on other workspaces are going back to the main screen, which is obvious. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1313436 Title: Unity/Compiz very slow after resume from suspend To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1313436/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs