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Date:   Wed, 28 Nov 2018 11:10:33 -0500
From:   "Theodore Y. Ts'o" <>
To:     Rainer Fiebig <>
        "Andrey Jr. Melnikov" <>,
Subject: Re: ext4 file system corruption with v4.19.3 / v4.19.4

On Wed, Nov 28, 2018 at 04:56:51PM +0100, Rainer Fiebig wrote:
> If you still see the errors, at least the Ubuntu-kernel could be ruled out.

My impression is that some of the people reporting problems have been
using stock upstream kernels, so I wasn't really worried about the
Ubuntu kernel (although it could be something about the default
configs that Ubuntu sets up).  What I was more wondering was whether
there was something about userspace or default configs of Ubuntu.
This isn't necessarily a *problem* per se; for examople, not that long
ago some users were getting surprised when a problem showed up with an
older version of the LVM2 userspace with newer upstream kernels.
After a while, you learn to get super paranoid about making sure to
rule out all possibilities when trying to debug problems that are only
hitting a set of users.

						- Ted

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