I found that I can reproduce this behavior every time by addind "vga=791" to the kernel boot parameters. As soon as I remove this it seems to work just fine every time.
-- screen not refreshing after wake up from long suspension. https://bugs.launchpad.net/bugs/21434 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs