[Bug 37085] New: HDMI thinks it works but TV says "no signal"

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org]

https://bugs.freedesktop.org/show_bug.cgi?id=37085

           Summary: HDMI thinks it works but TV says "no signal"
           Product: xorg
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: n.vivia-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


It used to work. I'm sure. I used to be able to properly connect my HDMI TV.

Then I upgraded Ubuntu to Natty, installed a second partition with the
proprietary drivers in case I need audio, and linked both home directories,
which may have messed with some setting.

Now, I connect my HDMI TV and get this nice pop-up which asks me to reconfigure
my screen settings. I set the TV's resolution to 1920x1080. The system thinks
it works, I get a huge desktop and lose my mouse pointer when it goes beyond
the right edge, but the TV says "no signal".

My xorg.conf and dmesg output are here: http://pastebin.com/TvGCPS01
I am using the minimal 4-line xorg.conf, but the same happens with no xorg.conf
at all.

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