another one: panic: ffs_blkfree: freeing free block

[M. Warner Losh]

In message: <20030502035426.GA65366 at athlon.pn.xcllnt.net>
            Marcel Moolenaar <marcel at xcllnt.net> writes:
: login: dev = da0p7, block = 600688, fs = /q
: panic: ffs_blkfree: freeing free block

I get this all the time on my laptop, and have on and off, for the
past two weeks.  I posted a traceback, and a me too on a couple of
other tracebacks that matched mine.  This is the first bug to get me
really annoyed in quite some time because it is a random killer.

Warner