linux-ext4 - [Bug 187051] "orphan list check failed" error in ext4

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Message-ID: <bug-187051-13602-QYxY5tC05D@https.bugzilla.kernel.org/>
Date:   Sun, 29 Jan 2017 05:09:51 +0000
From:   bugzilla-daemon@...zilla.kernel.org
To:     linux-ext4@...r.kernel.org
Subject: [Bug 187051] "orphan list check failed" error in ext4

https://bugzilla.kernel.org/show_bug.cgi?id=187051

--- Comment #10 from Theodore Tso <tytso@....edu> ---
... and this case the directory has nlinks > 0, so it definitely shouldn't have
been on the orphaned list at all.

Can you tell me anything about the workload of your system?  And given the mod
times, it looks like it hasn't been modified any time recently, either.   This
is really starting to smell like some kind in-memory corruption --- caused
perhaps by a hardware fault causing a bit flip, or some random bug in any part
of the kernel.

What has changed recently?  Were you using an older kernel?   What was the last
known kernel version that was problem-free for you?

Have you tried using Memtest86+ to make sure you don't have any memory issues?

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