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

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Message-Id: <f74b484c-4258-41db-b3d4-a585197f73b7@www.fastmail.com>
Date:   Thu, 18 Aug 2022 00:32:28 -0400
From:   "Chris Murphy" <lists@...orremedies.com>
To:     "Ming Lei" <ming.lei@...hat.com>
Cc:     "Nikolay Borisov" <nborisov@...e.com>,
        "Jens Axboe" <axboe@...nel.dk>, "Jan Kara" <jack@...e.cz>,
        "Paolo Valente" <paolo.valente@...aro.org>,
        "Btrfs BTRFS" <linux-btrfs@...r.kernel.org>,
        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 Thu, Aug 18, 2022, at 12:27 AM, Chris Murphy wrote:
> On Thu, Aug 18, 2022, at 12:18 AM, Chris Murphy wrote:
>> On Thu, Aug 18, 2022, at 12:12 AM, Chris Murphy wrote:
>>> On Wed, Aug 17, 2022, at 11:41 PM, Ming Lei wrote:
>>>
>>>> OK, can you post the blk-mq debugfs log after you trigger it on v5.17?
>
> Same boot, 3rd log. But the load is above 300 so I kinda need to sysrq+b soon.
>
> https://drive.google.com/file/d/1375H558kqPTdng439rvG6LuXXWPXLToo/view?usp=sharing

sysfs sdc

https://drive.google.com/file/d/1DLZHX8Mg_d5w-XSsAYYK1NDzn1pA_QPm/view?usp=sharing

-- 
Chris Murphy