Re: [bug report] WARNING at block/mq-deadline.c:600 dd_exit_sched+0x1c6/0x260 triggered with blktests block/031

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On Sat, Nov 27, 2021 at 12:38 AM Jens Axboe <axboe@xxxxxxxxx> wrote:
>
> On 11/26/21 9:24 AM, Ming Lei wrote:
> > On Fri, Nov 26, 2021 at 10:27:47AM +0800, Ming Lei wrote:
> >> Hi Yi,
> >>
> >> On Thu, Nov 25, 2021 at 07:02:43PM +0800, Yi Zhang wrote:
> >>> Hello
> >>>
> >>> blktests block/031 triggered below WARNING with latest
> >>> linux-block/for-next[1], pls check it.
> >>>
> >>> [1]
> >>> f0afafc21027 (HEAD, origin/for-next) Merge branch 'for-5.17/io_uring'
> >>> into for-next
> >>
> >> After running block/031 for several times in today's linus tree, not
> >> reproduce the issue:
> >
> > Yi, it should be one for-5.17/block only issue, please test the
> > following patch:

Thanks Ming, the issue was fixed:

Tested-by: Yi Zhang <yi.zhang@xxxxxxxxxx>

>
> Good catch, again - can't believe this keeps biting us, guess we just
> have to get used to this pattern. Though not expecting many changes
> there in the future, so maybe not a huge issue.
>
> --
> Jens Axboe
>


-- 
Best Regards,
  Yi Zhang




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