From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: KVM guest crashes
Date: Mon, 26 Jan 2009 14:21:35 -0200
Message-ID: <20090126162135.GA4316@amt.cnet>
References: <4975F26D.707@suse.de> <49762F13.5040507@redhat.com> <4976D954.9070901@suse.de> <4976E54C.4080407@redhat.com> <4976EC92.4010109@redhat.com> <4978D73A.6080500@suse.de> <20090123223644.GA4031@amt.cnet> <497DDC71.3000608@suse.de>
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Cc: Avi Kivity <avi@redhat.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	Joerg Roedel <joerg.roedel@amd.com>,
	Sheng Yang <sheng@linux.intel.com>
To: Alexander Graf <agraf@suse.de>
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On Mon, Jan 26, 2009 at 04:53:21PM +0100, Alexander Graf wrote:
> > There are a number of problems that can result in this error, and the
> > problems are possibly different between the in-kernel PIT and userspace
> > PIT emulation (note it also happens with in-kernel PIT, just much more
> > rarely now). You can use the no_timer_check kernel option to bypass it.
> >   
> 
> Hm - that option disables the whole check, making it always fail. I
> haven't seen any way to actually disable the check, telling Linux things
> are OK :-(.

Hum, the option makes timer_irq_works always return true. Works for me
with in-kernel PIT.

What you see with "apic=debug no_timer_check" ?