Can anyone diagnose this thunar-volman error please?

[Andreas Müller]

On Fri, Mar 16, 2012 at 8:07 PM, Chris Green <cl at isbd.net> wrote:
> I am still trying to work out why *one* of my xubuntu 11.10 systems
> doesn't automount USB and CD drives.
>
> The most obvious difference between working systems (of which I have
> two) and the non-working system is an extra error message from
> thunar-volman.  E.g.
>
> On the working systems:-
>
>    chris at test:~$ thunar
>    thunar-volman: Unsupported USB device type.
>    thunar-volman: Unsupported USB device type.
>    thunar-volman: Unknown block device type.
>
>    ... and the USB drive is automounted
>
>
> On the non-working system:-
>
>    chris$ thunar
>    thunar-volman: Unsupported USB device type.
>    thunar-volman: Unsupported USB device type.
>    thunar-volman: Unknown block device type.
>    thunar-volman: Could not detect the volume corresponding to the device.
>
>
> So can anyone suggest why I'm getting that "Could not detect the volume
> corresponding to the device." on the non-working system and, more to the
> point, how can I fix it.
>
> It's quite possible that I have misconfigured or uninstalled something
> necessary.  I have checked that all the obvious things like gvfs and so
> on are the same on both systems.
>
Is udisks installed and started - this caused on my machines similar behavior.

Andreas