upower "Resuming" signal is not emitted or seen

Antoine Martin antoine at nagafix.co.uk
Sun Mar 16 07:54:03 PDT 2014

On 16/03/14 21:28, Michael Biebl wrote:
> Newer upower versions no longer emit that signal since this handled by
> systemd. 
OK, I hope there a new signal I can listen for?
It might be a good idea to document the fact that this signal is no
longer emitted, and if possible point to its replacement.
I don't understand the point of this upower.service file if it doesn't
do anything.

> Am 16.03.2014 14:59 schrieb "Antoine Martin" <antoine at nagafix.co.uk
> <mailto:antoine at nagafix.co.uk>>:
>     Hi,
>     My application needs to know when the machine has just resumed from
>     suspended state.
>     So, it seems that what is needed is just this UPower "Resuming" signal
>     that I should be able to receive via dbus:
>     http://upower.freedesktop.org/docs/UPower.html#UPower::Resuming
>     It does seem to work on some distributions (it is quite a bit
>     harder to
>     test with VirtualBox since it does its own suspend-resume..)
>     Unfortunately, on Fedora 20 nothing happens, no signal is emitted
>     (that
>     I can see), neither automatically nor by firing this script by hand:
>     /usr/lib/systemd/system/upower.service
>     I have already reported this bug in RedHat's bugzilla for Fedora 20:
>     https://bugzilla.redhat.com/show_bug.cgi?id=1064906
>     But since there is no activity here, I thought I might ask here
>     instead.
>     Any ideas?
>     Cheers
>     Antoine
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