linux-ext4 - [Bug 201685] ext4 file system corruption

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Message-ID: <bug-201685-13602-APfI0zbCL6@https.bugzilla.kernel.org/>
Date:   Tue, 04 Dec 2018 22:12:06 +0000
From:   bugzilla-daemon@...zilla.kernel.org
To:     linux-ext4@...r.kernel.org
Subject: [Bug 201685] ext4 file system corruption

https://bugzilla.kernel.org/show_bug.cgi?id=201685

--- Comment #251 from Guenter Roeck (linux@...ck-us.net) ---
#248: Looks like you may be running my reproducer script. It tends to do that,
especially on slow drives (ie anything but nvme), depending on the io scheduler
used. I have seen it with "cfq", but not with "none". iostat would probably
show you 90+ % iowait when it happens. That by itself does not indicate the
error we are trying to track down here.

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