I found out, that in my case its a problem with suspend-hybrid mode. I had a configuration that used kernel suspend-hybrid, if the suspend button was pressed. Suspend to RAM and Suspend to Disk seem to work, only suspend-hybrid leads to a blank screen after resume.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1283938 Title: Ubuntu 14.04 blank screen after wakeup from sleep To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1283938/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
