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Re: [Xen-devel] Problem with (Mini-OS) page-table setup

To: Livio Soares <livio@xxxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Problem with (Mini-OS) page-table setup
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Thu, 02 Aug 2007 06:57:19 +0100
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On 1/8/07 22:17, "Livio Soares" <livio@xxxxxxxxxxxxxxxx> wrote:

>   After an  unsuccessful mmu_update() call. This  is what I get  in the xen
> console:
> (XEN) /home/liviobs/xen-unstable.hg/xen/include/asm/mm.h:186:d43 Error pfn
> 24000: rd=ffff8300cee12100, od=ffff8300ceef2100, caf=80000002,
> taf=00000000e8000001
> (XEN) mm.c:649:d43 Error getting mfn 24000 (pfn 2031c) from L1 entry
> 0000000024000125 for dom43

The problem is that the given MFN (the one you are trying to map) does not
belong to you. Add some extra tracing around mm.h:186 and find out the
domain ids involved. This could be due perhaps to a bogus lookup in the p2m

 -- Keir

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