Re: [Qemu-devel] strange situation, guest cpu thread spinning at ~100%, but display not yet initialized

[Chris Friesen]

On 11/2/2018 11:51 AM, Dr. David Alan Gilbert wrote:

> This is ringing a bell; if it's actually suck in the BIOS, then please:
>    a) Really make sure all your vCPUs are actually pinned/free on real
> CPUs
>    b) I suspect it is
>     https://lists.gnu.org/archive/html/qemu-devel/2018-08/msg00470.html

I'm still working on getting the BIOS logs to be emitted to file before 
kernel startup (I can see them later on, but not right at boot).

Will double-check the actual affinity next time I reproduce it (testcase 
has been going all day with no luck so far).

>     so the fix is Fam's 'aio: Do aio_notify_accept only during blocking
> aio_poll'.  I see you're running the qemu-kvm-ev from centos, if I read
> the version tea-leaves right, then I think that patch is in the
> 2.10.0-21.el7_5.7.1 package I can see.

It looks like we do not have this fix in our code, will definitely be 
giving it a try.

Thanks,
Chris