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Message-ID: <da198f52-f699-00f6-cd77-366adc4bbdc9@leemhuis.info>
Date:   Tue, 25 Jul 2023 15:34:36 +0200
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Subject: Re: NFS workload leaves nfsd threads in D state
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To:     Chuck Lever III <chuck.lever@oracle.com>,
        Linux regressions mailing list <regressions@lists.linux.dev>
Cc:     Chengming Zhou <chengming.zhou@linux.dev>,
        Christoph Hellwig <hch@lst.de>,
        "ross.lagerwall@citrix.com" <ross.lagerwall@citrix.com>,
        Jens Axboe <axboe@kernel.dk>,
        "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
        Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
        Chuck Lever <cel@kernel.org>
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From:   "Linux regression tracking #update (Thorsten Leemhuis)" 
        <regressions@leemhuis.info>
Reply-To: Linux regressions mailing list <regressions@lists.linux.dev>
In-Reply-To: <73D6DC23-297A-4802-9925-1C94BB14FFF8@oracle.com>
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On 25.07.23 15:21, Chuck Lever III wrote:
>> On Jul 25, 2023, at 5:57 AM, Linux regression tracking (Thorsten Leemhuis) <regressions@leemhuis.info> wrote:
>>
>> On 12.07.23 15:29, Chuck Lever III wrote:
>>>> On Jul 12, 2023, at 7:34 AM, Chengming Zhou <chengming.zhou@linux.dev> wrote:
>>>> On 2023/7/11 20:01, Christoph Hellwig wrote:
>>>>> On Mon, Jul 10, 2023 at 05:40:42PM +0000, Chuck Lever III wrote:
>>
>> Chuck, what's the status here? This thread looks stalled, that's why I
>> wonder.
>>
>> FWIW, I noticed a commit with a Fixes: tag for your culprit in next (see
>> 28b24123747098 ("blk-flush: fix rq->flush.seq for post-flush
>> requests")). But unless I missed something you are not CCed, so I guess
>> that's a different issue?
> 
> This issue was fixed in 6.5-rc2 by commit
> 
> 9f87fc4d72f5 ("block: queue data commands from the flush state machine at the head")

Ahh, many thx for the update, it lacked a proper Link:/Closes: tag and
mentioned another culprit, so I had missed that!

#regzbot fix: 9f87fc4d72f5
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
That page also explains what to do if mails like this annoy you.