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Date:      Mon, 08 Mar 2021 19:42:21 +0000
From:      bugzilla-noreply@freebsd.org
To:        fs@FreeBSD.org
Subject:   [Bug 244048] mksnap_ffs hangs machine (12.1 regression over 11.3)
Message-ID:  <bug-244048-3630-U2IR19TrRo@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-244048-3630@https.bugs.freebsd.org/bugzilla/>
References:  <bug-244048-3630@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D244048

--- Comment #20 from ml@netfence.it ---
(In reply to Kirk McKusick from comment #19)

I guess so.
If data is gone and filenames too (including in snapshots), there should be
nothing private remaining. Right?



Meanwhile I made another test: I reverted back to 11.x and saw that it's now
giving the same troubles as 12.x and 13.0 do.
So my conclusion is that snapshotting/deleting snapshots on 12.x has already
messed the disk in a way that fsck doesn't even detect, but hangs the machi=
ne
on some operations.

Probably this is less useful than I hoped: while it would be nice to have a=
 way
to fix this image, this cannot be used to reproduce the corruption on deman=
d,
since it's already ruined. Maybe seeing what the trouble is can give some h=
int?

IOW I hoped to have pinpointed the situation when the trouble starts, but i=
t's
not immediately evident and I'm already past it :(

--=20
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