Re: Hung task in 4.9 using kvm 5.2

["Ahmed S. Darwish" <a.darwish@xxxxxxxxxxxxx>]

On Mon, Jun 07, 2021, Christoph Mathys wrote:
>
> When running kvm 5.2 on 4.9-rt (I've yet to verify if !RT is also
> affected), kvm gets stuck regulary requiring a reboot. I get the
> hung_task warning below.
>
> Any thoughts on how to avoid this problem?
>

Did you try running the same configuration with lockdep ON?

Thanks,
Ahmed Darwish