From: David Laight <David.Laight@ACULAB.COM>
To: 'Nikolai Zhubr' <zhubr.2@gmail.com>, Theodore Ts'o <tytso@mit.edu>
Cc: "linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"jack@suse.cz" <jack@suse.cz>
Subject: RE: ext4 damage suspected in between 5.15.167 - 5.15.170
Date: Mon, 16 Dec 2024 15:16:00 +0000 [thread overview]
Message-ID: <229641a5c7f046b282c151cb1c6b9110@AcuMS.aculab.com> (raw)
In-Reply-To: <ce9055d7-7301-0abe-3609-3a4e2e7b1e5e@gmail.com>
....
> > The location of block allocation bitmaps never gets changed, so this
> > sort of thing only happens due to hardware-induced corruption.
>
> Well, unless e.g. some modified sectors start being flushed to random
> wrong offsets, like in [1] above, or something similar.
Or cutting the power in the middle of SSD 'wear levelling'.
I've seen a completely trashed disk (sectors in completely the
wrong places) after an unexpected power cut.
David
-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)
next prev parent reply other threads:[~2024-12-16 15:17 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-12 18:31 ext4 damage suspected in between 5.15.167 - 5.15.170 Nikolai Zhubr
2024-12-12 19:16 ` Theodore Ts'o
2024-12-13 10:49 ` Nikolai Zhubr
2024-12-13 16:12 ` Theodore Ts'o
2024-12-14 19:58 ` Nikolai Zhubr
2024-12-16 12:59 ` Jan Kara
2024-12-16 15:16 ` David Laight [this message]
2024-12-16 19:31 ` Theodore Ts'o
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