linux-kernel - Re: [REGRESSION] 6.8-rc process is unable to exit and consumes a lot of cpu

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Message-ID: <ZdqVP7q8iTJAdIbG@duke.home>
Date: Sat, 24 Feb 2024 20:17:51 -0500
From: Al Viro <viro@...nel.org>
To: Linux regressions mailing list <regressions@...ts.linux.dev>
Cc: "Christian Brauner (Microsoft)" <brauner@...nel.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Matt Heon <mheon@...hat.com>, Ed Santiago <santiago@...hat.com>,
	Linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	Paul Holzinger <pholzing@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [REGRESSION] 6.8-rc process is unable to exit and consumes a lot
 of cpu

On Sat, Feb 24, 2024 at 08:00:27AM +0100, Thorsten Leemhuis wrote:
> On 21.02.24 17:32, Linux regression tracking (Thorsten Leemhuis) wrote:
> > [adding Al, Christian and a few lists to the list of recipients to
> > ensure all affected parties are aware of this new report about a bug for
> > which a fix is committed, but not yet mainlined]
> > 
> > Thread starts here:
> > https://lore.kernel.org/all/6a150ddd-3267-4f89-81bd-6807700c57c1@redhat.com/
> 
> [adding Linus now as well]
> 
> TWIMC, the quoted mail apparently did not get delivered to Al (I got a
> "48 hours on the queue" warning from my hoster's MTA ~10 hours ago).
> 
> Ohh, and there is some suspicion that the problem Calvin[1] and Paul
> (this thread, see quote below for the gist) encountered also causes
> problems for bwrap (used by Flapak)[2].
> [1] https://lore.kernel.org/all/ZcKOGpTXnlmfplGR@gmail.com/
> [2] https://github.com/containers/bubblewrap/issues/620
> 
> Christian, Linus, all that makes me wonder if it might be wise to pick
> up the revert[1] Al queued directly in case Al does not submit a PR
> today or tomorrow for -rc6.

See #fixes in my tree.