Hi Geir, I've attached the output that you've requested including using the drm.debug=0x04 parameter for the kernel. One other item of note. When I run 'xrandr --verbose' while the screen has the problem, it changes the screen back to normal. This was repeatable.
** Attachment added: "dmesg.txt" http://launchpadlibrarian.net/43160702/dmesg.txt ** Attachment added: "xrandr-normal.txt" http://launchpadlibrarian.net/43160703/xrandr-normal.txt ** Attachment added: "xrandr-problem.txt" http://launchpadlibrarian.net/43160704/xrandr-problem.txt -- [GM45] Computer thinks 2nd monitor is connected when it's not https://bugs.launchpad.net/bugs/552624 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