> That doesn't mean it's the uhci controller that is at fault.
> It just means that it has detected a fatal error and has shut
> itself down.  The fatal error could be that the memory the uhci
> controller is using has been overwritten.

Not unlikely since something gets pretty messed up since the disk gets 
fubar'ed - literally. I just wanted to mention this for completeness since 
running the kernel with DIAGNOSTIC and DEBUG didn't bring anything up yet.