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From: Pavel Begunkov <asml.silence@gmail.com>
To: Jens Axboe <axboe@kernel.dk>, Josef <josef.grieb@gmail.com>,
	io-uring@vger.kernel.org
Cc: norman@apache.org
Subject: Re: io_uring process termination/killing is not working
Date: Wed, 12 Aug 2020 21:20:49 +0300	[thread overview]
Message-ID: <8e734ada-7f28-22df-5f30-027aca3695d1@gmail.com> (raw)
In-Reply-To: <dc3562d8-dc67-c623-36ee-38885b4c1682@kernel.dk>

On 12/08/2020 21:05, Jens Axboe wrote:
> On 8/12/20 11:58 AM, Josef wrote:
>> Hi,
>>
>> I have a weird issue on kernel 5.8.0/5.8.1, SIGINT even SIGKILL
>> doesn't work to kill this process(always state D or D+), literally I
>> have to terminate my VM because even the kernel can't kill the process
>> and no issue on 5.7.12-201, however if IOSQE_IO_LINK is not set, it
>> works
>>
>> I've attached a file to reproduce it
>> or here
>> https://gist.github.com/1Jo1/15cb3c63439d0c08e3589cfa98418b2c
> 
> Thanks, I'll take a look at this. It's stuck in uninterruptible
> state, which is why you can't kill it.

It looks like one of the hangs I've been talking about a few days ago,
an accept is inflight but can't be found by cancel_files() because it's
in a link.

-- 
Pavel Begunkov

  reply	other threads:[~2020-08-12 18:22 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-12 17:58 io_uring process termination/killing is not working Josef
2020-08-12 18:05 ` Jens Axboe
2020-08-12 18:20   ` Pavel Begunkov [this message]
2020-08-12 18:22     ` Pavel Begunkov
2020-08-12 18:28       ` Pavel Begunkov
2020-08-12 23:32         ` Jens Axboe
2020-08-13 16:07           ` Josef
2020-08-13 16:09             ` Jens Axboe
2020-08-15  7:45           ` Pavel Begunkov
2020-08-15 15:12             ` Jens Axboe
2020-08-15 16:48               ` Pavel Begunkov
2020-08-15 21:43                 ` Josef
2020-08-15 22:35                   ` Jens Axboe
2020-08-15 23:21                     ` Josef
2020-08-15 23:31                     ` Jens Axboe
2020-08-16  0:36                       ` Josef
2020-08-16  0:41                         ` Jens Axboe
2020-08-16  1:21                           ` Jens Axboe
2020-08-16  3:14                             ` Josef
2020-08-16  3:20                               ` Jens Axboe
2020-08-16 17:30                                 ` Jens Axboe
2020-08-16 21:09                                   ` Josef
2020-08-16 22:17                                     ` Jens Axboe
2020-08-17  8:58                                       ` Josef
2020-08-17 10:08                                         ` Pavel Begunkov
2020-08-16 13:45                 ` Jens Axboe
2020-08-16 14:53                   ` Jens Axboe
2020-08-16 15:22                     ` Jens Axboe
2020-08-17 10:16                       ` Pavel Begunkov

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