linux-kernel - Re: [PATCH 0/4] Export offsets of VMCS fields as note information for kdump

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Message-ID: <4F93E411.7070809@redhat.com>
Date:	Sun, 22 Apr 2012 13:57:21 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Gleb Natapov <gleb@...hat.com>
CC:	HATAYAMA Daisuke <d.hatayama@...fujitsu.com>, dzickus@...hat.com,
	luto@....edu, gregkh@...e.de, kvm@...r.kernel.org,
	joerg.roedel@....com, mtosatti@...hat.com,
	kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
	paul.gortmaker@...driver.com, zhangyanfei@...fujitsu.com,
	ebiederm@...ssion.com, ludwig.nussel@...e.de
Subject: Re: [PATCH 0/4] Export offsets of VMCS fields as note information
 for kdump

On 04/22/2012 01:33 PM, Gleb Natapov wrote:
> > 
> > What I don't understand is why you are interested in the guest machine
> > at all, if it was qemu that crashed.
> > 
> It would be interesting to extract enough information from the core to be
> able to restart the guest from the point where qemu crashed, but
> decoding VMCS is not enough for that.

Interesting idea.  It should be possible if you attach all kvm state to
the core (and do quite a lot of digging to recover device model state).

-- 
error compiling committee.c: too many arguments to function

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