From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: Error getting mfn
Date: Tue, 18 Sep 2012 09:36:50 -0400
Message-ID: <20120918133650.GC12053@phenom.dumpdata.com>
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To: William Dauchy <wdauchy@gmail.com>
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On Tue, Sep 18, 2012 at 10:24:42AM +0200, William Dauchy wrote:
> Hello,
> 
> I'm getting many "Error getting mfn" on a xen4.1.3 with dom0 3.4.11 x86_32.

You need to provide more. The full serial log please, and also the
.config.

Since this is 32-bit, I wonder if you are hitting the CONFIG_NUMA issue...
but I think you reported it some time ago and did you try the fix?

> I thought it could be related to
> xen/mmu: Release just the MFN list, not MFN list and part of pagetables.
> http://git.kernel.org/?p=linux/kernel/git/konrad/xen.git;a=commit;h=785f62314984ea3af9dd830b020289ba2509ae69

That shouldn't be it - b/c the URL you mentioned is for the set of patches
that are destined for v3.7.

> 
> (XEN) Freed 212kB init memory.
> (XEN) mm.c:908:d0 Error getting mfn 2009b (pfn 5555555555555555) from
> L1 entry 000000002009b023 for l1e_owner=0, pg_owner=0
> (XEN) mm.c:908:d0 Error getting mfn 2009c (pfn 5555555555555555) from
> L1 entry 000000002009c023 for l1e_owner=0, pg_owner=0
> [...]
> (XEN) mm.c:908:d0 Error getting mfn c32116 (pfn 5555555555555555) from
> L1 entry 8000000c32116063 for l1e_owner=0, pg_owner=0
> (XEN) mm.c:908:d0 Error getting mfn c32117 (pfn 5555555555555555) from
> L1 entry 8000000c32117063 for l1e_owner=0, pg_owner=0

Please use 'sync_console loglvl=all dom0_max_vcpus=1 console=com1 com1=xxxxx' and on the Linux command line:
'console=hvc0 debug loglevel=8"

> (XEN) ../physdev.c:171: dom0: wrong map_pirq type 3
> 
> Any hint?
> 
> Regards,
> -- 
> William