Bug#894605: systemd: System fails to suspend.

[Michael Biebl]

On Mon, 9 Apr 2018 23:17:28 +0200 (CEST) "hubert at golembiowski.pl"
<hubert at golembiowski.pl> wrote:

> echo "mem" > /sys/power/state suspends system correctly with possibility to wake
> up as expected.
>  
> I run dist-upgrade regularly so I expect a number of packages upgrade recently.
> Unfortunately can't correlate as I was not noting down packages being updated.
> Found what seem to be related in #892321 mailto:892321 at bugs.debian.org but can't
> tell if both cases are the same.

systemd internally does basically nothing more then
echo "mem" > /sys/power/state

What it does in addition though is send out a (D-Bus) signal that the
system is going to suspend, so userspace software can react to that.

My guess is, that it is some other component reacting on that D-Bus
signal which triggers that problem.

Which desktop environment are you using?
If you use a minimal desktop environment / window manager and you run
systemctl suspend
does the problem happen as well?
What if you run systemctl suspend when you are logged in on the console?

Regards,
Michael

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

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