linux-kernel - Re: stalling IO regression since linux 5.12, through 5.18

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Date:   Wed, 17 Aug 2022 14:16:32 -0400
From:   "Chris Murphy" <lists@...orremedies.com>
To:     Holger Hoffstätte <holger@...lied-asynchrony.com>,
        "Nikolay Borisov" <nborisov@...e.com>,
        "Jens Axboe" <axboe@...nel.dk>, "Jan Kara" <jack@...e.cz>,
        "Paolo Valente" <paolo.valente@...aro.org>
Cc:     Linux-RAID <linux-raid@...r.kernel.org>,
        linux-block <linux-block@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "Josef Bacik" <josef@...icpanda.com>
Subject: Re: stalling IO regression since linux 5.12, through 5.18



On Wed, Aug 17, 2022, at 5:52 AM, Holger Hoffstätte wrote:

> Chris, just a shot in the dark but can you try the patch from
>
> https://lore.kernel.org/linux-block/20220803121504.212071-1-yukuai1@huaweicloud.com/
>
> on top of something more recent than 5.12? Ideally 5.19 where it applies
> cleanly.


This patch applies cleanly on 5.12.0. I can try newer kernels later, but as the problem so easily reproduces with 5.12 and the problem first appeared there, is why I'm sticking with it. (For sure we prefer to be on 5.19 series.)

Let me know if I should try it still.


-- 
Chris Murphy