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SubjectRe: INFO: task hung in io_uring_cancel_sqpoll
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On 5/2/21 4:01 PM, Palash Oswal wrote:
> On Sun, May 2, 2021 at 4:04 PM Pavel Begunkov <asml.silence@gmail.com> wrote:
>
>>> I tested against the HEAD b1ef997bec4d5cf251bfb5e47f7b04afa49bcdfe
>>
>> However, there is a bunch patches fixing sqpoll cancellations in
>> 5.13, all are waiting for backporting. and for-next doesn't trigger
>> the issue for me.
>>
>> Are you absolutely sure b1ef997bec4d5cf251bfb5e47f7b04afa49bcdfe
>> does hit it?
>>
>>> commit on for-next tree
>>> https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/?h=for-next
>>> and the reproducer fails.
>
> Hi Pavel and Hillf,
>
> I believe there's a little misunderstanding, apologies. The reproducer
> does not trigger the bug on the for-next tree which has patches for
> 5.13. The reproducer process exits correctly. Likely one of those
> commits that will be back-ported to 5.12 will address this issue.
> When I wrote `the reproducer fails`, I meant to indicate that the bug
> is not triggered on for-next. I will word it better next time!

I see, great it's clarified

--
Pavel Begunkov

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