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Re: io_uring possibly the culprit for qemu hang (linux-5.4.y)
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From: |
Jens Axboe |
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Subject: |
Re: io_uring possibly the culprit for qemu hang (linux-5.4.y) |
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Date: |
Sat, 17 Oct 2020 09:02:09 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
On 10/17/20 8:29 AM, Ju Hyung Park wrote:
> 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.
Awesome, thanks for testing!
--
Jens Axboe