> Kernel hangs solid when doing mkfs.ext2 on the new partition.
> Anyone using this feature out there? I want to know whether
> it's an MD bug or a kernel bug (if the latter, then I might
> be able to downgrade the kernel slightly to make it work).
Are you using a SMP kernel? Although I have no good theory yet,
it seems that re-compiling the kernel as UP eliminates the lockups
on my (UP) system.
Gadi