From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Lalancette <clalance@redhat.com>
Subject: Re: KVM Test result, kernel 873c05f..,
	userspace d102d75..
Date: Thu, 24 Apr 2008 09:32:56 -0400
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Cc: kvm-devel@lists.sourceforge.net,
	Marcelo Tosatti <marcelo@kvack.org>
To: Avi Kivity <avi@qumranet.com>
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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

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