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Re: io_uring possibly the culprit for qemu hang (linux-5.4.y)
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From: |
Ju Hyung Park |
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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 23:29:16 +0900 |
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!