Re: stalling IO regression since linux 5.12, through 5.18

Jan Kara
2022-08-17T18:33:44Z

On Wed 17-08-22 14:18:01, Chris Murphy wrote:
>
>
> On Wed, Aug 17, 2022, at 2:15 PM, Jan Kara wrote:
>
> > OK, if this indeed passes then b6e68ee82585 ("blk-mq: Improve performance
> > of non-mq IO schedulers with multiple HW queues") might be what's causing
> > issues (although I don't know how yet...).
>
> I can revert it from 5.12.0 and try. Let me know which next test is preferred :)

Let's try to revert this first so that we have it narrowed down what
started causing the issues.

Honza

--
Jan Kara <jack@suse.com>
SUSE Labs, CR