From: Andrew Cooper <andrew.cooper3@citrix.com>
To: William Dauchy <wdauchy@gmail.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: Error getting mfn
Date: Tue, 18 Sep 2012 19:50:02 +0100 [thread overview]
Message-ID: <5058C25A.1090602@citrix.com> (raw)
In-Reply-To: <CAJ75kXZm-BqWdL2O41XkSE1VCdd4ruW=+CqDmR1b3=701RnXmw@mail.gmail.com>
On 18/09/2012 09:24, William Dauchy wrote:
> Hello,
>
> I'm getting many "Error getting mfn" on a xen4.1.3 with dom0 3.4.11 x86_32.
> 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
>
> (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
> (XEN) ../physdev.c:171: dom0: wrong map_pirq type 3
>
> Any hint?
Are you compiling as uniprocessor rather than SMP? This reminds me of a
bug XenServer came across where a 32bit uniprocessor build would use two
32bit writes to change PTEs, and issue the two writes in the wrong
order, triggering this error.
~Andrew
>
> Regards,
next prev parent reply other threads:[~2012-09-18 18:50 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-18 8:24 Error getting mfn William Dauchy
2012-09-18 13:36 ` Konrad Rzeszutek Wilk
2012-09-19 13:51 ` William Dauchy
2012-09-19 20:01 ` Konrad Rzeszutek Wilk
2012-09-20 13:29 ` William Dauchy
2012-09-20 13:48 ` Konrad Rzeszutek Wilk
2012-09-20 14:15 ` William Dauchy
2012-09-20 16:23 ` Pasi Kärkkäinen
2012-09-20 16:30 ` William Dauchy
2012-09-20 16:35 ` Pasi Kärkkäinen
2012-09-20 17:08 ` William Dauchy
2012-09-20 21:28 ` Konrad Rzeszutek Wilk
2012-09-23 15:11 ` William Dauchy
2012-09-25 8:40 ` William Dauchy
2012-09-25 21:36 ` Konrad Rzeszutek Wilk
2012-09-25 21:41 ` Konrad Rzeszutek Wilk
2012-10-05 14:06 ` William Dauchy
2012-09-18 18:50 ` Andrew Cooper [this message]
2012-09-19 13:52 ` William Dauchy
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