Errors Upgrading from 5.4 to 6.2

[Per olof Ljungmark]

Jonathan Quist wrote:
> I'm attempting to upgrade my system from 5.4 to 6.2 using sysinstall
> after booting from the 6.2 cdrom. After I identify the mount points
> on the existing slices and exit, I get this message: "Couldn't stat
> directory /mnt/dev", followed by this message: "Unable to mount DEVFS
> (error 5), and it won't continue with the upgrade. There isn't a
> filesystem mounted at /mnt, and /dev is a just directory under the
> root filesystemm, not a separate filesystem. Is there something I'm
> doing wrong, or do I have something misconfigured? Any advice,
> suggestions, pointers would be greatly appreciated.

I just did what you are trying to by following the instructions in 
/usr/src/UPDATING (from 6.2 of course, in the end of the doc). Went 
without a hitch.

/per olof