Re: [Qemu-devel] latest rc: virtio-blk hangs forever after migration

[Marcin Gibuła]

> > Can you dump *env before and after the call to kvm_arch_get_registers?
>
> Yes, but it seems they are equal - I used memcmp() to compare them. Is
> there any other side effect that cpu_synchronize_all_states() may have?

I think I found it.

The reason for hang is, because when second call to 
kvm_arch_get_registers() is skipped, it also skips kvm_get_apic() which 
updates cpu->apic_state.

--
mg