linux-kernel - Re: probable quota bug introduced in 6.6-rc1

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Message-ID: <fba67ba1-884a-4462-98d2-5de285015dad@leemhuis.info>
Date:   Fri, 13 Oct 2023 17:58:26 +0200
From:   "Linux regression tracking #update (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     Linux ext4 <linux-ext4@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>,
        Linux Filesystems Development <linux-fsdevel@...r.kernel.org>
Subject: Re: probable quota bug introduced in 6.6-rc1

[TLDR: This mail in primarily relevant for Linux kernel regression
tracking. See link in footer if these mails annoy you.]

On 04.10.23 08:58, Bagas Sanjaya wrote:
> On Tue, Oct 03, 2023 at 08:11:11PM -0400, Eric Whitney wrote:
>> When run on my test hardware, generic/270 triggers hung task timeouts when
>> run on a 6.6-rc1 (or -rc2, -rc3, -rc4) kernel with kvm-xfstests using the
>> nojournal test scenario.  The test always passes, but about 60% of the time
>> the running time of the test increases by an order of magnitude or more and
>> one or more of the hung task timeout warnings included below can be found in
>> the log.
>>
>> This does not reproduce on 6.5.  Bisection leads to this patch:
>>
>> dabc8b207566 ("quota: fix dqput() to follow the guarantees dquot_srcu should
>> provide")

#regzbot fix: 869b6ea1609f65
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
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