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Date:      Tue, 29 May 2018 14:59:19 +0000
From:      bugzilla-noreply@freebsd.org
To:        fs@FreeBSD.org
Subject:   [Bug 132960] [ufs] [panic] panic:ffs_blkfree: freeing free frag
Message-ID:  <bug-132960-3630-DbjT7t0WRm@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-132960-3630@https.bugs.freebsd.org/bugzilla/>
References:  <bug-132960-3630@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D132960

Kirk McKusick <mckusick@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |Not Enough Information
                 CC|                            |mckusick@FreeBSD.org
             Status|Open                        |Closed

--- Comment #6 from Kirk McKusick <mckusick@FreeBSD.org> ---
This panic occurs when a disk write has an unrecoverable or undetected fail=
ure.
Thus without further information on disk error statistics, it is impossible=
 to
determine what caused it. Several bugs have been fixed that used to lead to=
 the
``fsync: giving up on dirty'' error (which was often triggered by earlier w=
rite
failures). And there is on-going work to better handle write failures so th=
at
the filesystem is taken offline rather than crashing the system when disks
fail.

--=20
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