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Date:      Sun, 20 Jun 2021 12:40:18 +0000
From:      bugzilla-noreply@freebsd.org
To:        fs@FreeBSD.org
Subject:   =?UTF-8?B?W0J1ZyAyNTY3MTJdIFVGUzoga2VybmVsIHBhbmljOiBmZnNfYmxr?= =?UTF-8?B?ZnJlZV9jZzogZnJlZWluZyBmcmVlIGZyYWcg4oCTIGluIHJlc3BvbnNlIHRv?= =?UTF-8?B?IHBrZy1kZWxldGUoOCkgc29vbiBhZnRlciBsb2dpbg==?=
Message-ID:  <bug-256712-3630-VMD3IZebc2@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-256712-3630@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256712

--- Comment #7 from andrew@tao11.riddles.org.uk ---
I've been trying to help Graham reproduce this one (per discussions on the
libera #freebsd irc channel) but so far what I seem to have managed is to
produce a different error:

** SU+J Recovering /dev/vtbd1
** Reading 4194304 byte journal from inode 4.
** Building recovery table.
** Resolving unreferenced inode list.
** Processing journal entries.
/dev/vtbd1: ino_remref: ino 2767 mode 0100000 about to go negative
/dev/vtbd1: UNEXPECTED SU+J INCONSISTENCY
/dev/vtbd1: INTERNAL ERROR: GOT TO reply()
/dev/vtbd1: UNEXPECTED SOFT UPDATE INCONSISTENCY; RUN fsck MANUALLY.

I've managed to reproduce this one fairly reliably (3 times out of 4 tries) and
I have a copy of a filesystem image taken before the fsck. The steps I used to
reproduce were (this is in a 13-stable install in a bhyve vm, where vtbd0 is
the system image and vtbd1 is a 256MB md device on the host):

newfs -O2 -U -j /dev/vtbd1
mount /dev/vtbd1 /mnt
tar -xf python38-3.8.10.tgz -C /mnt
find /mnt/usr -type f -print0 | xargs -0 rm
tar -xf python38-3.8.10.tgz -C /mnt
(when the prompt returns at this point, immediately destroy the vm)

On booting the vm again and then doing  fsck -p /dev/vtbd1, the above error
appears. (vtbd1 is not mentioned in fstab)

Should I split this off into a separate bug? (I will continue to try to
reproduce the original issue)

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