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Date:      Fri, 25 Sep 2020 15:47:29 -0600
From:      Ian Lepore <ian@freebsd.org>
To:        Edward Tomasz =?iso-8859-2?Q?Napiera=B3a?= <trasz@freebsd.org>
Cc:        rgrimes@freebsd.org, src-committers <src-committers@freebsd.org>, svn-src-all <svn-src-all@freebsd.org>, svn-src-head <svn-src-head@freebsd.org>
Subject:   Re: svn commit: r365643 - head/bin/cp
Message-ID:  <4e8b729665b9af8092c36bbf77f4de208d781fbb.camel@freebsd.org>
In-Reply-To: <7CEB4168-005D-4C1B-9988-662BA1883EC0@freebsd.org>
References:  <a1302355a272f5790562551dfe7631c280107b55.camel@freebsd.org> <7CEB4168-005D-4C1B-9988-662BA1883EC0@freebsd.org>

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On Fri, 2020-09-25 at 20:48 +0100, Edward Tomasz Napierała wrote:
> > On 25 Sep 2020, at 19:12, Ian Lepore <ian@freebsd.org> wrote:
> 
> [..]
> 
> > (A question that occurs to me:  could it be that the files you've
> > seen
> > got created at shutdown after devfs was unmounted, rather than at
> > startup?  I don't know enough about the shutdown sequence to know
> > whether that's possible.)
> 
> Thing is, if you unmount /dev, you are revoking
> all the device nodes, including your ttys and disk device nodes.  You
> wouldn’t be able to properly shutdown afterwards.
> 
> 

I was thinking more of something in the shutdown rc scripts or an
errant daemon process unmounting /dev.  But it sounds like that's not
possible while disks are still mounted.

-- Ian




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