[Bug 199727] CPU freezes in KVM guests during high IO load on host

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https://bugzilla.kernel.org/show_bug.cgi?id=199727

--- Comment #23 from Marco Gabriel (mgabriel@xxxxxxxx) ---
(In reply to Roland Kletzing from comment #13)
> hello, thanks - aio=io_uring is no better, the only real way to get to a
> stable system is virtio-scsi-single/iothreads=1/aio=threads
> 
> the question is why aio=native and io_uring has issues and threads has not...

Just for reference: Using aio=threads doesn't help on our lab and customer
setups (Proxmox/Ceph HCI) - we still see vm freezes after several minutes when
I/O load is high.

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