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From: Chris Murphy <lists@colorremedies.com>
To: Amir Goldstein <amir73il@gmail.com>
Cc: Chris Murphy <lists@colorremedies.com>,
	Miklos Szeredi <miklos@szeredi.hu>,
	overlayfs <linux-unionfs@vger.kernel.org>
Subject: Re: btrfs+overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off.
Date: Sun, 11 Apr 2021 00:05:20 -0600	[thread overview]
Message-ID: <CAJCQCtSzENaFsZ_mcDv8OANDmpbUWoo+u1RVgfZ=hpxK5hQ7bg@mail.gmail.com> (raw)
In-Reply-To: <CAOQ4uxjYQV6gUa3rmsoECSjrZSAJ+ENWDcs0pYrLfocM1B+gVg@mail.gmail.com>

On Sat, Apr 10, 2021 at 11:12 PM Amir Goldstein <amir73il@gmail.com> wrote:

> Now I'm confused again.

So am I, and in retrospect I've posted here prematurely.

>
> Your reports starts by stating:
> "The primary problem is Bolt (Thunderbolt 3) tests that are
> experiencing a regression when run in a container using overlayfs,"
>
> But you say that the problem exists with kernel 5.9.
> When you say "regression" above, what are you referring to?

Overlayfs. Now that I've tested 5.9, I'm not so sure it's a kernel regression.

>
> Did those tests pass in a previous Bolt version?
> Did those tests ever pass in a container using overlayfs?

Yes and yes.

> There is surely a bug in overlayfs, but it's hard to find it without
> minimal bisection info. I'll keep looking.
>
> If it's a regression with newer distro, please try to understand
> from distro/package managers, what has changed in the container
> setup and kernel config w.r.t a container using overlayfs.

Exactly. The original report of the problem is Alpine linux, but I
can't reproduce it on Fedora except with podman using an Alpine image
base. As all the other suspects have fallen apart, what remains
untested for regressions is this.


-- 
Chris Murphy

  reply	other threads:[~2021-04-11  6:05 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-09 22:03 btrfs+overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off Chris Murphy
2021-04-10  8:03 ` Amir Goldstein
2021-04-10 17:36   ` Chris Murphy
2021-04-10 17:55     ` Amir Goldstein
2021-04-10 19:36       ` Chris Murphy
2021-04-10 19:42         ` Chris Murphy
2021-04-10 19:43           ` Chris Murphy
2021-04-10 19:44             ` Chris Murphy
2021-04-10 20:03               ` Chris Murphy
2021-04-11  5:12                 ` Amir Goldstein
2021-04-11  6:05                   ` Chris Murphy [this message]
2021-04-11  7:28                     ` Amir Goldstein
2021-04-13 21:50                       ` Chris Murphy
2021-04-12  8:41       ` Miklos Szeredi

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