Inconsistency in root partition size

[Mel Flynn]

On Monday 07 September 2009 04:24:07 jaymax wrote:

> Filesystem  1K-blocks      Used    Avail Capacity  Mounted on
> /dev/ad0s1a    507630    503694   -36674   108%    /
>
> Don't know if the above can show anything

It is of course entirely possible at this point, that the disk *is* full. 
Could you show: du -sxh / from single user mode, without anything mounted?

That would ensure that the offending file is not hiding behind a mountpoint. 
Like: /usr/hiding_here.
-- 
Mel