[udisks] Can't automount disks

[Gilles]

On Mon, 04 Mar 2013 17:05:53 +0100, Gilles <codecomplete at free.fr>
wrote:
>KDE seems unable to automount partitions because of this:
>============
>#solid-hardware list
>
>QStringList
>Solid::Backends::UDisks::UDisksManager::allDevicesInternal() error:
>"org.freedesktop.DBus.Error.ServiceUnknown"
>virtual QStringList
>Solid::Backends::UPower::UPowerManager::allDevices() error:
>"org.freedesktop.DBus.Error.ServiceUnknown"
>============
>
>I was told "to ensure that UDisks is installed and being started
>either before KDE startup (for manual starting of UDisks) or during
>KDE startup (if using D-Bus automatic startup for UDisks)."... but
>have no idea what to do.

FWIW, "ps aux" shows the following entries that look familiar:

/usr/bin/dbus-daemon --system
dbus-launch --sh-syntax --exit-with-session
/usr/bin/dbus-daemon --fork --print-pid 8 --

But no trace of udisks-daemon mentioned elsewhere. Is it just another
name for dbus-daemon?

Thank you.