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List:       kde-linux
Subject:    DPMS disabled after upgrade to kubuntu 22.04
From:       Erik Rull <erik.rull () rdsoftware ! de>
Date:       2023-04-14 7:10:01
Message-ID: b163aaec-cf72-3320-c92d-d3ccd85019a8 () rdsoftware ! de
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Hi all,

I have no clue yet what went wrong, at least there was no error message during
the upgrade process from 20.04 LTS to 22.04 LTS kubuntu...

But - since this upgrade, the two screens of my system never switch off - I set
the screen power off to 10 minutes - nothing happens.
If I call the switchoff via xset manually, the screens go into standby immediately.
Works - but not really usable when locking the system and leaving the room.

And - if I set some settings in xset, I see the settings changing but they do
not work (eg. xset +dpms 30 30 30 and xset s 30 10 have no effect at all, but
they are shown in xset q)
And also interesting - when applying new power off times in the power management
dialog, then DPMS gets always disabled when calling xset q afterwards (before it
was enabled by me)
The system is still on X11, not on Wayland - why - I don't know - I thought that
ubuntu 22.04 based installations will default to Wayland...

Maybe something is mixed up between Wayland and X?

Thanks.

Best regards,

Erik
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