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Date:      Fri, 16 Nov 2018 08:55:25 +0000
From:      bugzilla-noreply@freebsd.org
To:        fs@FreeBSD.org
Subject:   [Bug 225423] panic: softdep_deallocate_dependencies: dangling deps
Message-ID:  <bug-225423-3630-zOrASZbndo@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-225423-3630@https.bugs.freebsd.org/bugzilla/>
References:  <bug-225423-3630@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D225423

Konstantin Belousov <kib@FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |kib@FreeBSD.org

--- Comment #16 from Konstantin Belousov <kib@FreeBSD.org> ---
(In reply to Kirk McKusick from comment #15)
Unmounting /dev reclaims the devfs vnodes, in particular, the devvp which is
referenced by the mount.  Currently most of the UFS io bypasses devfs vnode
layer, but this is not an architectural property.  We cannot guarantee that=
 UFS
operations would not require a VOP call into devfs which is not grounded by=
 a
panic (see vfs_default.c).

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