[Bug 27184] Radeon, KMS, 6.12.99: Sleeping screen doesn't wake up reliably

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27184

--- Comment #8 from Oliver Winker <oliverml1 at oli1170.net> 2011-01-22 01:25:58 PST ---
I just wanted to add, that the problem why I filed the bug report looks, for me
at least, more related to sleeping/powersaving of the _screen_ (the display)
itself. It's an Asus VW222U.

The screen, after inactivity of some minutes, goes in standby/sleep and when I
then try to wake it up, e.g. by moving the mouse, it is not reliably turning
back on again. Then I need to manually, using the power button, turn the screen
off and back on - everything else is ok. And this used to work before, with an
nvidia card and the same screen (and also works now e.g. under a windows
driver).

So it doesn't look to me like a fifo-underflow (it's not winking at me, as
Jesse Barnes would say ;).

I still observe this with: 

- Kernel 2.6.37
- xserver-xorg                             1:7.5+8
- xserver-xorg-core                        2:1.7.7-10
- xserver-xorg-video-radeon                1:6.13.1-2+squeeze1

G+, Oliver

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