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From: Gleb Natapov <gleb@redhat.com>
To: Andreas Jud <save@webflash.ch>
Cc: kvm@vger.kernel.org
Subject: Re: w2k8 - reboots unexpected
Date: Thu, 18 Jun 2009 14:37:47 +0300	[thread overview]
Message-ID: <20090618113747.GD20289@redhat.com> (raw)
In-Reply-To: <20090618112645.M28961@webflash.ch>

On Thu, Jun 18, 2009 at 01:27:25PM +0200, Andreas Jud wrote:
> Hi
> 
> We are running kvm-84 on debian x64 Linux.
> 
> We have serveral guest running on this host.
> 
> One guest witch is running windows 2008 server and used as a terminal 
> server, reboots sometimes unexpected.
> 
> All what I found so far is the following error in the kernel-logfile:
> Jun 18 10:33:17 sov07l kernel: [1470365.925930] kvm_handle_exit: Breaking 
> out of NMI-blocked state on VCPU 1 after 1 s timeout
> Jun 18 10:33:17 sov07l kernel: [1470365.929077] kvm_handle_exit: Breaking 
> out of NMI-blocked state on VCPU 2 after 1 s timeout
> Jun 18 10:33:17 sov07l kernel: [1470365.929077] kvm_handle_exit: Breaking 
> out of NMI-blocked state on VCPU 3 after 1 s timeout
> 
> Does anybody have an idea what this mean? And what we could do, to make the 
> system stable? resolve this error?
> 
You host cpu does not support NMI injection in VMX (your Intel processor
is too old). I can't tell for sure if this is what causes w2k8 to reboot
itself, but this is possible. Does w2k8 has some kind of NMI watchdog?

--
			Gleb.

  reply	other threads:[~2009-06-18 11:37 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-18 11:27 w2k8 - reboots unexpected Andreas Jud
2009-06-18 11:37 ` Gleb Natapov [this message]
2009-06-18 12:45   ` Avi Kivity
2009-06-18 14:16     ` Andreas Jud
2009-06-18 14:24     ` Andreas Jud
2009-06-18 13:55   ` Andreas Jud
2009-06-18 14:02     ` Gleb Natapov
2009-06-19  5:44       ` Andreas Jud

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