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

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Message-ID: <bug-201685-13602-GYD4PZ7oFG@https.bugzilla.kernel.org/>
Date:   Tue, 27 Nov 2018 01:32:15 +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 #54 from Henrique Rodrigues (henrique.rodrigues@....utl.pt) ---
(In reply to Theodore Tso from comment #46)
> So Henrique, the only difference between the 4.19.3 kernel that worked and
> the one where you didn't see corruption was CONFIG_SCSI_MQ_DEFAULT?   Can
> you diff the two configs to be sure?

The bad news is that I've seemed to have made a mistake and there are more
changes than that one.

The other bad news is that I got another corruption even with
CONFIG_SCSI_MQ_DEFAULT=n.

> What can you tell us about the SSD?  Is it a SATA-attached SSD, or
> NVMe-attached?

It's a SATA attached SSD.

I'll attach more information (dmesg, lspci, kernel config, etc). Unfortunately
fsck now tells me I've got a bad magic number in super-block, so I think I
better start copying some stuff over to another disk before attempting anything
else.

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