From: bugzilla-daemon@bugzilla.kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 201685] ext4 file system corruption
Date: Wed, 05 Dec 2018 09:33:20 +0000 [thread overview]
Message-ID: <bug-201685-13602-YZVoxbBM2h@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-201685-13602@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=201685
--- Comment #265 from Ortwin Glück (odi@odi.ch) ---
I think Jens pretty much summarized the situation in #245. To trigger the bug
blk-mq must be used together with an underlying block device (such as SCSI or
SATA) that is stateful after a rejected bio submit. Then it's just a matter of
enough concurrent I/O.
So a workaround is to just disable blk-mq with SCIS: scsi_mod.use_blk_mq=1
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2018-11-13 19:42 [Bug 201685] New: ext4 file system corruption bugzilla-daemon
2018-11-14 21:20 ` [Bug 201685] " bugzilla-daemon
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2018-12-05 10:17 ` [Bug 201685] Incorrect disk writes caused by blk-mq lead to " bugzilla-daemon
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