This issue seems fixed in at least ubuntu 15.04 with 4.0.0-4 kernel or maybe even in an earlier kernel and ubuntu releases.
** Changed in: xorg (Ubuntu) Status: Expired => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1350910 Title: blank screen after suspend resume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1350910/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs