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Date: Fri, 8 Apr 2011 08:54:01 +0300
From: Gleb Natapov <gleb@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 2/2 V7] qemu,qmp: add inject-nmi qmp command
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To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Peter Maydell <peter.maydell@linaro.org>, Lai Jiangshan <eag0628@gmail.com>, Jiangshan <laijs@cn.fujitsu.com>, kvm@vger.kernel.org, Jan Kiszka <jan.kiszka@siemens.com>, qemu-devel@nongnu.org, Markus Armbruster <armbru@redhat.com>, Avi Kivity <avi@redhat.com>, Luiz Capitulino <lcapitulino@redhat.com>

On Thu, Apr 07, 2011 at 04:39:58PM -0500, Anthony Liguori wrote:
> On 04/07/2011 01:51 PM, Gleb Natapov wrote:
> >NMI does not have to generate crash dump on every guest we support.
> >Actually even for windows guest it does not generate one without
> >tweaking registry. For all I know there is a guest that checks mail when
> >NMI arrives.
> 
> And for all we know, a guest can respond to an ACPI poweroff event
> by tweeting the star spangled banner but we still call the
> corresponding QMP command system_poweroff.
> 
Correct :) But at least system_poweroff implements ACPI poweroff as
defined by ACPI spec. NMI is not designed as core dump event and is not
used as such by majority of the guests.

--
			Gleb.