Re: [kvm-devel] KVM Test result, kernel 873c05f.., userspace d102d75..

[Chris L. <cla...@re...>]

Avi Kivity wrote:
> 
> Ok.  __pit_timer_fn() is called from an interrupt, which then calls 
> smp_call_function_single(), which calls spin_lock().  If we've already 
> taken the lock, we hang.
> 

Ah.  Just adding a "me too"; I didn't get a chance to debug it yesterday, but I
was seeing similar problems.  If I disabled in-kernel pit with -no-kvm-pit, all
was well.

Chris Lalancette