F9 - DPMS not working

John Horne john.horne at plymouth.ac.uk
Sun Jun 1 16:53:06 UTC 2008


On Thu, 2008-05-29 at 18:29 +0100, John Horne wrote:
>
> Using F9, with KDE 4.0.4 desktop, my LCD display never seems to enter
> power-saving mode. I have a screensaver configured to kick in after 5
> mins, and that works fine. The Xorg log file shows that DPMS is enabled,
> as does 'xset -q'. Running 'xset dpms force off' (or standy/suspend) and
> the screen turns off, so it can do it. I have left the system for nearly
> an hour, but the monitor is still on. This occurred under the vesa
> driver, but I have today installed the latest Nvidia drivers and the
> problem still exists. F8, using the same hardware, had no such problem.
> 
Upon further investigation, the problem *only* occurs if the "Start
automatically" option is set when configuring a screensaver. Disable the
option, and DPMS works as expected. Most odd. Bugzilla'd at
https://bugzilla.redhat.com/show_bug.cgi?id=449280

This is not a graphics card driver problem.


John.

-- 
---------------------------------------------------------------
John Horne, University of Plymouth, UK  Tel: +44 (0)1752 587287
E-mail: John.Horne at plymouth.ac.uk       Fax: +44 (0)1752 587001




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