(unknown)

[JB]

xinyou yan <yxy.716 <at> gmail.com> writes:

> 
> I have a freebsd system.
> In my computer   /dev/sda10 is a freebsd slice.
> 
> I use mount -t ufs /dev/sda10 /tmp
> It fail.
> ...

Are you sure about that device name /dev/sda10 ? 
Have you configured that machine or somebody else ?

This is a FreeBSD Handbook.
18.2 Device Names
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/disks-naming.html

JB