Re: system won't suspend automatically

From	Max Nikulin <manikulin@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: system won't suspend automatically
Date	2024-06-13 18:00 +0200
Message-ID	<IOV1M-2GH0-9@gated-at.bofh.it> (permalink)
References	(1 earlier) <INYuK-22Im-3@gated-at.bofh.it> <IOaYV-2aAb-3@gated-at.bofh.it> <IOcHn-2bFE-3@gated-at.bofh.it> <IOd0K-2bMD-5@gated-at.bofh.it> <IOTW1-2G0y-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 13/06/2024 21:44, eben@gmx.us wrote:
> 
> Well that's a no-go, because when you de-power the monitors, ddccontrol
> gives you no info about what sleep state they're in.  Reasonable, I guess.

Perhaps there is a command to put the monitor in standby state instead 
of power off. Maybe it is possible detect switched off state by reading 
some file in /sys.

You still mix monitor and system issues. E.g. a media player may inhibit 
power saving for monitors. I have seen that sometimes suspend to disk 
(hibernate) is blocked, but I do not know details. An obvious reason is 
full swap, so RAM can not be saved there. Perhaps suspend to RAM may be 
blocked as well.

> There wasn't room on the hard drive to just enlarge the old one without
> spending a lot of time moving partitions around.  Some time then or after,
> automatic suspension stopped working.  Do I have to tell something the UUID
> of the new swap partition, or does it figure it out?

Update grub and initramfs configuration.

Thread

system won't suspend automatically Eben King <eben@gmx.us> - 2024-06-10 21:10 +0200
  Re: system won't suspend automatically David Wright <deblis@lionunicorn.co.uk> - 2024-06-10 23:00 +0200
    Re: system won't suspend automatically eben@gmx.us - 2024-06-10 23:30 +0200
      Re: system won't suspend automatically David Wright <deblis@lionunicorn.co.uk> - 2024-06-11 06:00 +0200
  Re: system won't suspend automatically Ralph Katz <ralph@ralphkatz.com> - 2024-06-11 03:30 +0200
    Re: system won't suspend automatically eben@gmx.us - 2024-06-11 16:50 +0200
      Re: system won't suspend automatically Charles Curley <charlescurley@charlescurley.com> - 2024-06-11 18:40 +0200
        Re: system won't suspend automatically eben@gmx.us - 2024-06-11 19:10 +0200
      Re: system won't suspend automatically Max Nikulin <manikulin@gmail.com> - 2024-06-11 18:40 +0200
        Re: system won't suspend automatically eben@gmx.us - 2024-06-11 19:00 +0200
          Re: system won't suspend automatically eben@gmx.us - 2024-06-13 16:50 +0200
            Re: system won't suspend automatically Max Nikulin <manikulin@gmail.com> - 2024-06-13 18:00 +0200
              Re: system won't suspend automatically eben@gmx.us - 2024-06-13 18:30 +0200
                Re: system won't suspend automatically David Wright <deblis@lionunicorn.co.uk> - 2024-06-13 22:00 +0200
                Re: system won't suspend automatically eben@gmx.us - 2024-06-13 22:10 +0200

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