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Date:      Tue, 12 Mar 2002 13:20:51 -0700
From:      Nate Williams <nate@yogotech.com>
To:        dochawk@psu.edu
Cc:        nate@yogotech.com (Nate Williams), freebsd-mobile@FreeBSD.ORG
Subject:   Re: init 1 causes panic on A21p and A22m 
Message-ID:  <15502.25379.327513.505232@caddis.yogotech.com>
In-Reply-To: <200203122015.g2CKFH316828@fac13.ds.psu.edu>
References:  <15502.19438.274559.552421@caddis.yogotech.com> <200203122015.g2CKFH316828@fac13.ds.psu.edu>

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> > > The random freezes are gone (seemed to be a heat-related ide problem), 
> > > but init 1 still causes a panic.  I can, however, write to my dos 
> > > partition without a panic.
> 
> > What exactly is 'init 1' supposed to do?
> 
> Oh, that :)
> 
> It drops from multi-user to single-user mode.

Well I'll be.  'init 1' is normally a SysV thing (BSD boxes never used
to do anything), but sure enough it did shut the box down to
single-user.

I learned something new today.  (Hint, don't try doing this when you're
in the middle of replying to email. :) :)

> I'm assuming that there's some kind of mount/remount/dismount/magic
> going on that lets the IDE circuitry do something weird, but I'm not
> certain--and this hypothesis came while I was getting spurious spinups
> of the CD before a freeze.

On my T21 this works fine (even when you did it unexpectedly, see
above)>

> In the substitute machine, there's no more spinups, but one of the two
> operations that would trigger a panic still does so . . .

FreeBSD doesn't do any mount magic when going into single-user mode.



Nate

ps. The BSD way of doing this would be 'shutdown now'.


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