second monitor often wakes up after 'xset dpms force off'

Tomas Carnecky tom at
Tue Oct 30 09:47:39 PDT 2007

Alan Coopersmith wrote:
> Tomas Carnecky wrote:
>> I have two monitors and if I use 'xset dpms force off' the second
>> monitor (Samsung SyncMaster on CRT-1) most of the time wakes up after
>> less than a second. I have to try a few times (up to 15 times this
>> morning!) until is works (=both monitors turn off).
> Try "sleep 1; xset dpms force off" - I find that just typing
> 'xset dpms force off', even on single screen systems often
> doesn't work because when the command is processed when you
> press the Return key down, and most computers these days are
> fast enough to have finished before you've let go of the return
> key and have processed the KeyRelease event, so the KeyRelease
> triggers as a new input event to wake up the screens again.

Interesting. But I have the 'command' configured in compiz and bound to
a key on the keyboard. The command seems to be executed in KeyPress and
I'm not sure whether compiz reacts to KeyRelease. I'll look into it (..
how compiz processes the commands).


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