Bug#890950: Bug#902416: Bug#890950: RE: Bug#902416: systemd: systemctl hibernate: unable to resume after upgrade

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From	Ben Hutchings <ben@decadent.org.uk>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#890950: Bug#902416: Bug#890950: RE: Bug#902416: systemd: systemctl hibernate: unable to resume after upgrade
Date	Mon, 11 Mar 2019 01:00:02 +0100
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On Mon, 2019-03-11 at 00:20 +0100, Michael Biebl wrote:
> Hi Ben
> 
> Am 10.03.19 um 23:17 schrieb Ben Hutchings:
> > I think it would make sense for systemd to only set the hibernation
> > device if it's not already set (i.e. if /sys/power/resume contains
> > "0:0\n").
> 
> I get $ cat /sys/power/resume
> 8:4
> 
> which part is responsible for setting that?

initramfs-tools, or any alternative that implements resume from
hibernation.  This is because writing to /sys/power/resume is the way
to resume from hibernation, as well as the way to set the device for
the next hibernation.  (systemd writes the number of an active swap
device, so it won't cause an immediate resume.)

Ben.

-- 
Ben Hutchings
The program is absolutely right; therefore, the computer must be wrong.

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Thread

Bug#890950: initramfs-tools: Resuming from hibernated swapfile fails <Mario.Limonciello@dell.com> - 2018-02-20 23:30 +0100
  Processed: Re: Bug#890950: initramfs-tools: Resuming from  hibernated swapfile fails "Debian Bug Tracking System" <owner@bugs.debian.org> - 2018-02-21 19:00 +0100
  Bug#890950: initramfs-tools: Resuming from hibernated swapfile fails Ben Hutchings <ben@decadent.org.uk> - 2018-02-21 19:00 +0100
    Bug#890950: initramfs-tools: Resuming from hibernated swapfile fails <Mario.Limonciello@dell.com> - 2018-02-21 22:30 +0100
  Bug#890950:  <Mario.Limonciello@dell.com> - 2018-02-22 05:00 +0100
  Bug#890950: Info received (Bug#890950: initramfs-tools: Resuming from hibernated swapfile fails) <Mario.Limonciello@dell.com> - 2018-02-28 23:10 +0100
    Bug#890950: RE: Bug#890950: Info received (Bug#890950: initramfs-tools: Resuming from hibernated swapfile fails) Ben Hutchings <ben@decadent.org.uk> - 2018-07-19 21:30 +0200
  Bug#890950: [Debian #890950, Ubuntu #1644975] initramfs-tools: Resuming from hibernated swapfile fails Dirk Fieldhouse <fieldhouse@gmx.net> - 2018-07-19 17:30 +0200
  Bug#890950: RE: Bug#902416: systemd: systemctl hibernate: unable to resume after upgrade Ben Hutchings <ben@decadent.org.uk> - 2019-03-10 23:30 +0100
  Bug#890950: Bug#902416: Bug#890950: RE: Bug#902416: systemd: systemctl hibernate: unable to resume after upgrade Ben Hutchings <ben@decadent.org.uk> - 2019-03-11 01:00 +0100

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