[ltp] External video woes (T42, Radeon M7 LW)

Marius Gedminas linux-thinkpad@linux-thinkpad.org
Thu, 28 Dec 2006 15:54:26 +0200


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On Wed, Dec 27, 2006 at 03:08:27PM +0200, Marius Gedminas wrote:
> Finally (in Ubuntu Edgy), this bug was fixed, but instead xrandr started
> acting flaky.  It would just stop working until an X server restart.
> And now it's even more fun: even when xrandr works, sometimes I get a
> 1024x768-1280x1024 desktop, and the external monitor detects the signal,
> but it shows only a black image.  Restarting X doesn't help.  So far I
> haven't discovered a way to get the image back, short of rebooting.

Fn-F7 "works" if I switch to a text mode (well, radeonfb) console.  By
"works" I mean that I can switch between "backlit black screen" and
"non-backlit black screen" on the external monitor.  Some sort of power
savings mode?

Marius Gedminas
--=20
I used to be an agnostic, but now I'm not so sure.

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