> Hi,
> I have an external USB hard drive (200GB) that I never pluged to my
> netbsd box before. Now I pluged it and got "invalid argument". I tried
> with a smaller device (256MB) and it worked well. So I suppose it's a
> bug... but maybe it's something missing in the kernel config (support
> for large disks ?).
>
> I run NetBSD 3.99.7 (custom kernel).

use mtools. i tried mount_msdos on even smaller disks too and it sometimes 
don't work. mtools always work :)