Re: kvm: WARNING in kvm_arch_vcpu_ioctl_run

From: Paolo Bonzini
Date: Mon Nov 14 2016 - 09:45:35 EST




On 14/11/2016 15:09, Dmitry Vyukov wrote:
>
> I made dump_vmcs() no-op locally. You should see the warning
> regardless, but probably it is difficult to notice. Or maybe tons of
> output affect timings so that the warning does not happen.

I let it run for several minutes, and only got 50 splats out of several
thousand iterations. Reproducing is not going to help much anyway---if
we can get to the root cause, writing a reliable reproducer would be
easier anyway.

Paolo