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

Michael Biebl biebl at debian.org
Tue Jun 26 12:27:29 BST 2018

Am 26.06.2018 um 13:20 schrieb Joel Cross:
> On Tue, 26 Jun 2018, at 12:12 PM, Michael Biebl wrote:
>> Which backend have you configured in pm-hibernate? the in-kernel
>> hibernate mechanism, Tux0nIce, uswsusp?
> Sorry, I have no idea how to find that out. I do not recall ever configuring a pm-hibernate backend, so I would guess whichever is the default.

If you don't have uswsusp installed or patched your kernel with TuxOnIce
support, then you should be using the in-kernel mechanism.

>>> Please let me know what further information you need from me (if any) in order
>>> to be able to correctly diagnose this bug.
>> What happens if you run
>> echo "disk" > /sys/power/state
>> Does the system resume properly?
> Yes, that works fine.

This is strange, because internally systemd simply uses
echo "disk" > /sys/power/state

Do you have any hooks in /lib/systemd/system-sleep/ ?
If so, could you temporarily move them away?

Could you provide a journalctl -alb log from such a failed resume + a
separate output of dmesg.

Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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