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<H1>[Mageia-dev] Desktop monitor powering down</H1>
<B>Frank Griffin</B>
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TITLE="[Mageia-dev] Desktop monitor powering down">ftg at roadrunner.com
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<I>Wed Aug 8 15:17:34 CEST 2012</I>
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<PRE>On 08/08/2012 07:42 AM, Colin Guthrie wrote:
><i> Generally speaking these settings are done in the display environment
</I>><i> GUIs (i.e. Gnome and KDE) thus avoiding having to call xset directly by
</I>><i> the user or in scripts etc. This is just a command line interface to
</I>><i> things the DE's should wrap already.
</I>><i>
</I>><i> So I'd go looking for those bits breaking and/or something in your user
</I>><i> account messing up. i.e. try it with a fresh boot and logging into a
</I>><i> fresh user account and see if the problem still occurs. That might help
</I>><i> narrow down where the real problem lies.
</I>><i>
</I>><i>
</I>This is getting muddy. I've done a lot of cauldron updating since my
last logout/reboot, and when I tried a fresh boot GDM hung repeatedly,
and I had to switch to KDM.
The problem doesn't occur with a fresh user, but it no longer occurs on
my userid either. Either it's a function of the DM, or else the "xset
-dpms" I did previously is sticky:
[<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">root at ftgme2</A> ftg]# xset q
Keyboard Control:
...
DPMS (Energy Star):
Standby: 600 Suspend: 600 Off: 600
DPMS is Disabled
But knowing that dpms is involved got some google results, and I think
the problem is <A HREF="https://bugs.kde.org/show_bug.cgi?id=295814">https://bugs.kde.org/show_bug.cgi?id=295814</A>
The similarity between my case and the reported ones is that I had set
all Power Management off, so that the screen would never dim or
disable. I had done this because I have some WINE stuff run overnight
by cron, and when KDE blanks or disables the screen, graphical apps
won't start.
According to the report, a disabled PM enables dpms with a random set of
numbers. I just happened to get 30 seconds. One poor sod had a
1-second timeout.
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