Hello, I found the following upstream bugs that seem to be the same problem. Apparently turning off the FramebufferCompression option is a workaround, but I haven't verified this myself yet.
http://bugs.freedesktop.org/show_bug.cgi?id=13326 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=463382 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=466462 -- Intermittent monitor flicker after screen blanking in Hardy https://bugs.launchpad.net/bugs/214787 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs