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From: Marcelo Tosatti <mtosatti@redhat.com>
To: Alexander Graf <agraf@suse.de>
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>
Subject: Re: KVM guest crashes
Date: Mon, 26 Jan 2009 14:21:35 -0200	[thread overview]
Message-ID: <20090126162135.GA4316@amt.cnet> (raw)
In-Reply-To: <497DDC71.3000608@suse.de>

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" ?


  reply	other threads:[~2009-01-26 16:22 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-20 15:49 KVM guest crashes Alexander Graf
2009-01-20 20:07 ` Avi Kivity
2009-01-20 20:20   ` Alexander Graf
2009-01-21  8:14   ` Alexander Graf
2009-01-21  9:05     ` Avi Kivity
2009-01-21  9:36       ` Avi Kivity
2009-01-21 10:44         ` Alexander Graf
2009-01-22 20:29         ` Alexander Graf
2009-01-22 20:36           ` Alexander Graf
2009-01-22 20:55             ` Alexander Graf
2009-01-23 16:36               ` Alexander Graf
2009-01-23 22:36           ` Marcelo Tosatti
2009-01-24  7:42             ` Alexander Graf
2009-01-24 13:06               ` Marcelo Tosatti
2009-01-24 14:30                 ` Alexander Graf
2009-01-26 15:53             ` Alexander Graf
2009-01-26 16:21               ` Marcelo Tosatti [this message]
2009-01-26 16:33                 ` Alexander Graf

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