Re: stalling IO regression since linux 5.12, through 5.18

From: Chris Murphy
Date: Fri Sep 02 2022 - 12:53:43 EST




On Thu, Sep 1, 2022, at 3:02 AM, Yu Kuai wrote:
> Hi, Chris


>> Also follows another patch merged to v5.18 and it fixes io stall too, feel free to test it:
>>
>> 8f5fea65b06d blk-mq: avoid extending delays of active hctx from blk_mq_delay_run_hw_queues
>
> Have you tried this patch?

The problem happens on 5.18 series kernels. But takes longer. Once I regain access to this setup, I can try to reproduce on 5.18 and 5.19, and provide block debugfs logs.


--
Chris Murphy