Excerpts from netbsd: 27-Jul-96 Please, I still need help w.. Ralph
Seichter@darkness. (774)

> After editing the disk label, I can mount it, and I can use 'ls' to get a
> directory listing. But as soon as I access a file (or a directory), a
> kernel panic occurs.

>From my experience, there is a problem with MSDOSFS if
the cluster size is too large (ie big DOS partition). I don't remember
exactly, but the panic was:
panic("allocbuf: buffer larger than MAXBSIZE requested");
(allocbuf() in vfs_bio.h)
which is called from several places in the filesystem code
requesting a block of the the cluster size.

best regards
Matthias Drochner