[Bug 31058] New: Flickering area on external monitor [9400M]

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

https://bugs.freedesktop.org/show_bug.cgi?id=31058

           Summary: Flickering area on external monitor [9400M]
           Product: xorg
           Version: git
          Platform: Other
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: felix.leimbach-hi6Y0CQ0nG0@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


On a MacBook 6,1 with linux 2.6.36 (64bit) I see two related problems on an
external TFT display, connected via a displayport->DVI adapter:

1) With the TFT's native resolution of 1600x1200 the low area just flickers.
The color of the flickering seems to be related to the background and other
windows in that area. It's size also varies. I've filmed an instance with a
relatively big size, see video [1].

2) When I use 1280x1024 instead the screen looks fine except for a very short
full-screen flickering approx. every 3-4 minutes. It lasts only a fraction of a
second though.

Details of my env:
- Booted from EFI (possible after Ben's work at #29171)
- xorg-server-1.9.0.902 (gentoo)
- xf86-video-nouveau from today's git
- libdrm from today's git

[1] http://dl.dropbox.com/u/10133404/flickeringarea.ogg

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