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[Xen-devel] Re: [PATCH] xen: correctly rebuild mfn list list after migra

from [Ian Campbell] [Permanent Link][Original]
To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: [Xen-devel] Re: [PATCH] xen: correctly rebuild mfn list list after migration.
From: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Date: Thu, 14 Oct 2010 07:49:39 +0100
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On Thu, 2010-10-14 at 01:37 +0100, Jeremy Fitzhardinge wrote:
> 
> 
> I'm getting this triggering at boot:
> 
> PM: Adding info for No Bus:xen!gntdev
> ------------[ cut here ]------------
> kernel BUG at /home/jeremy/git/linux/arch/x86/xen/mmu.c:480! 

Probably a consequence of the bogus attempt to skip over completely
empty mid levels which you pointed out in your next mail.

I guess I should test 64 bit guests and not just PAE ones and I guess
pre-ballooning is likely to interact as well.

Ian.



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