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From: Ju Hyung Park <qkrwngud825@gmail.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: Stefano Garzarella <sgarzare@redhat.com>,
	io-uring@vger.kernel.org, qemu-devel@nongnu.org
Subject: Re: io_uring possibly the culprit for qemu hang (linux-5.4.y)
Date: Sat, 17 Oct 2020 23:29:16 +0900	[thread overview]
Message-ID: <CAD14+f0h-r7o=m0NvHxjCgKaQe24_MDupcDdSOu05PhXp8B1-w@mail.gmail.com> (raw)
In-Reply-To: <05afcc49-5076-1368-3cc7-99abcf44847a@kernel.dk>

Hi Jens.

On Sat, Oct 17, 2020 at 3:07 AM Jens Axboe <axboe@kernel.dk> wrote:
>
> Would be great if you could try 5.4.71 and see if that helps for your
> issue.
>

Oh wow, yeah it did fix the issue.

I'm able to reliably turn off and start the VM multiple times in a row.
Double checked by confirming QEMU is dynamically linked to liburing.so.1.

Looks like those 4 io_uring fixes helped.

Thanks!

  reply	other threads:[~2020-10-17 14:29 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-30 16:26 io_uring possibly the culprit for qemu hang (linux-5.4.y) Ju Hyung Park
2020-10-01  3:03 ` Jens Axboe
2020-10-01  8:59 ` Stefano Garzarella
2020-10-01 13:47   ` Jack Wang
2020-10-01 14:30   ` Ju Hyung Park
2020-10-02  7:34     ` Stefano Garzarella
2020-10-16 18:04       ` Ju Hyung Park
2020-10-16 18:07         ` Jens Axboe
2020-10-17 14:29           ` Ju Hyung Park [this message]
2020-10-17 15:02             ` Jens Axboe
2020-10-19  9:22             ` Pankaj Gupta

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