Hi! Try mount under root.
Check /etc/sudoers for correct permissions.

I'm using it, and 9P works fine.

2006/11/16, Adrian Tritschler <ajft@ajft.org>:
>
> Having successfully (I think) turned a plan9 terminal into an auth/cpu
> system at home, I'm trying to export its fossil file system and then
> mount this on a linux (Ubuntu) system.  Reading back through various
> mails here suggest it should be simple.
>
> Something isn't quite right (yet). I'm trying to mount the fossil
> filesystem on the linux system, run:
>
> fafnir:/tmp$ sudo mount -t 9p -o user=ajft 10.0.0.123 /mnt
> mount: permission denied
>
> /var/log/syslog contains:
>
> Nov 15 22:17:27 localhost kernel: [18670662.760000] v9fs_errstr2errno:
> errstr :cannot attach as none before authentication\ufffd\377\ufffd: not
> found
>
> any ideas or suggestions?
>
> --
> Adrian Tritschler <ajft@ajft.org>
>
>