mount -o bind confusion and hard lock

["Adam McKenna" <adam-dated-1008549217.6f5784@xxxxxxxxxxxx>]

I tried using mount -o bind to mount a filesystem on my workstation --
instead of using the correct syntax, which would be

# mount -o bind /foo /bar

I did:

# mount -o bind /dev/sdb1 /bar

Apparently this is the incorrect way to do things, but when I did this, my
box hard-locked.  I had to power it off and back on again.  It doesn't seem
like this should happen.

--Adam
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