Problems starting without X11 (git master)

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On Mon, 2011-06-13 at 20:00 +0100, Colin Guthrie wrote:
> I: module.c: Loaded "module-position-event-sounds" (index: #17;
> argument: "").
> I: module.c: Loaded "module-cork-music-on-phone" (index: #18; argument: "").
> E: server-lookup.c: Unable to contact D-Bus:
> org.freedesktop.DBus.Error.Spawn.ExecFailed: /usr/bin/dbus-launch
> terminated abnormally with the following error: Autolaunch error: X11
> initialization failed.
> I: module.c: Unloading "module-device-restore" (index: #0).
> I: module.c: Unloaded "module-device-restore" (index: #0).
> 
> 
> So it seems that the dbus protocol needs X11.

If DBUS_SESSION_BUS_ADDRESS is not set, trying to access the session bus
will autolaunch a new bus. Autolaunching doesn't work without X11.

We could check whether DBUS_SESSION_BUS_ADDRESS is set and launch the
bus manually from Pulseaudio, but then clients probably wouldn't find
the session bus, since the appropriate DBUS_SESSION_BUS_ADDRESS
environment variable would only be defined within the Pulseaudio
process.

It would be nice if also the non-X11 sessions would set up the session
bus already at login time, but I guess we can't rely on that. I'd expect
the user bus work to solve this problem eventually, but until that
becomes ubiquitous, I think putting module-dbus-protocol inside
a .nofail section would be the best workaround.

-- 
Tanu



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