I think you can get this error message if the coda kernel module isn't loaded.

On Thursday 14 April 2005 18:03, ed.edward wrote:
> X-No-Archive: yes
>
>
>
> Hi all,
>
> Following the System Administrators Manual to start my fresh venus
> client
> for testing "testserver.coda.cs.cmu.edu" server
>
> # venus-setup testserver.coda.cs.cmu.edu 20000
> Creating /usr/coda, mode 755
> Creating /usr/coda/spool, mode 755
> Creating /usr/coda/venus.cache, mode 700
> Creating /usr/coda/etc, mode 700
> /etc/services already has new services registered! Good.
> /etc/services ready for Coda
>
> I got the following message:
>
>      # venus &
>      [1] 630
>      #
>      Date: Thu 04/14/2005
>      18:51:18 Coda Venus, version 6.0.8
>      18:51:18 Probably another Venus is running! open failed for
>      /dev/cfs0,/dev/coda/0, exiting
>      [1] + Done (1)             venus
>
> So I checked with "netstat" command, if this is true, but NOT!
> no Venus processes are running!
>
> What wrong?
>
> --
> Ed.