I came here because I have the exact same issue. Brand new Dell XPS 13 with Ubuntu 14.04.
Aftrr wake from suspend I see a black screen with cursor; then the desktop shows up and looks fine, but performance is more than sluggish - videos become slideshows. -- 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
