Re: io_uring possibly the culprit for qemu hang (linux-5.4.y)

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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@xxxxxxxxx> 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




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