[systemd-bugs] [Bug 73122] logind claims that hibernate is supported even if there is no swap

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Jan 11 07:30:55 PST 2014


https://bugs.freedesktop.org/show_bug.cgi?id=73122

Zbigniew Jedrzejewski-Szmek <zbyszek at in.waw.pl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #1 from Zbigniew Jedrzejewski-Szmek <zbyszek at in.waw.pl> ---
I have no swap here, so suspend is possible, but not hibernation.

$ gdbus call --system --dest org.freedesktop.login1 --object-path
/org/freedesktop/login1 --method org.freedesktop.login1.Manager.CanSuspend
('challenge',)
$ gdbus call --system --dest org.freedesktop.login1 --object-path
/org/freedesktop/login1 --method org.freedesktop.login1.Manager.CanHibernate
('na',)

$ sudo swapon -av
$ gdbus call --system --dest org.freedesktop.login1 --object-path
/org/freedesktop/login1 --method org.freedesktop.login1.Manager.CanHibernate
('challenge',)

$ sudo gdbus call --system --dest org.freedesktop.login1 --object-path
/org/freedesktop/login1 --method org.freedesktop.login1.Manager.CanHibernate
('yes',)

Quoting http://freedesktop.org/wiki/Software/systemd/logind/: "If "na" is
returned the operation is not available because hardware, kernel or drivers do
not support it."

I see no bug here. I'm closing this, because the code looks correct and rather
straightforward. If you have a specific example where this doesn't work (with
recent git), please reopen with some more details.

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