Subject: Cannot talk to upowerd over D-Bus

From: [email-masked] (Ludovic Courtès)
Date: Fri, 05 Feb 2016 15:32:09 +0100

On GuixSD as of v0.9.0-1430-g234ea8a, attempts to talk to upowerd over
D-Bus fail:

--8<---------------cut here---------------start------------->8---
$ sudo dbus-send --print-reply --system --dest=org.freedesktop.UPower /org/freedesktop/UPower org.freedesktop.UPower.Suspend
Error org.freedesktop.DBus.Error.UnknownMethod: Method "Suspend" with signature "" on interface "org.freedesktop.UPower" doesn't exist
--8<---------------cut here---------------end--------------->8---

See
<https://lists.gnu.org/archive/html/guix-devel/2016-01/msg01004.html>.

Ludo’.