Re: ata driver loading hang on qemu/kvm intel

[Paolo Bonzini]

On 05/04/20 01:36, Suresh Gumpula wrote:
> Hi,
> 
> I am seeing this old problem with qemu 2.12/kernel 4.19.84(intel kvm
> with nesting enabled) and guest kernel 4.10
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1345964
> 
> Could you please advise me on this? I am seeing the exact same problem
> where the ata driver load was stuck.
> 
> Really appreciate if you could give some pointers?
> 
> Is it a known issue with nesting? Or is this bug fixed in latest kvm module?

Hi, that bug was specific to running under Ravello, not on bare metal.
I have not received any other reports.

To clarify you have:

- QEMU 2.12 and kernel 4.19.x on the host

- kernel 4.10.x on the guest

What QEMU version is running in the guest and what kernel version in the
nested guest?

Paolo