From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: xen.git branch reorg / success with 2.6.30-rc3 pv_ops
	dom0
Date: Thu, 07 May 2009 11:30:04 -0700
Message-ID: <4A0328AC.5080605@goop.org>
References: <1240939020.22119.15.camel@zakaz.uk.xensource.com>
	<49F73D18.60300@goop.org>
	<1240989350.17173.2096.camel@localhost.localdomain>
	<49F87F74.7050205@goop.org>
	<20090501095811.GM24960@edu.joroinen.fi> <49FB40E7.80009@goop.org>
	<20090505171903.GW24960@edu.joroinen.fi> <4A009D43.40404@goop.org>
	<20090506185404.GY24960@edu.joroinen.fi>
	<4A02067F.3080201@goop.org>
	<20090507172426.GF24960@edu.joroinen.fi>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: quoted-printable
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <20090507172426.GF24960@edu.joroinen.fi>
List-Unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: =?ISO-8859-1?Q?Pasi_K=E4rkk=E4inen?= <pasik@iki.fi>
Cc: Ian Campbell <Ian.Campbell@eu.citrix.com>, Xen-devel <xen-devel@lists.xensource.com>
List-Id: xen-devel@lists.xenproject.org

Pasi K=E4rkk=E4inen wrote:
> I just tried with CONFIG_HIGHPTE=3Dy but that didn't seem to work:
> http://pasik.reaktio.net/xen/pv_ops-dom0-debug/pv_ops-dom0-bootlog-30-x=
en331-linux-2.6.30-rc3-next-crash-with-highpte.txt
>
> (XEN) mm.c:2006:d0 Bad type (saw 28000001 !=3D exp e0000000) for mfn 6b=
0a6 (pfn 2c959)
> (XEN) mm.c:707:d0 Error getting mfn 6b0a6 (pfn 2c959) from L1 entry 000=
000006b0a6063 for dom0
> (XEN) mm.c:3640:d0 ptwr_emulate: could not get_page_from_l1e()
>
> BUG: unable to handle kernel paging request at c0207d58
> IP: [<c0405bf7>] xen_set_pte+0x89/0x93
> *pdpt =3D 000000003c8ef001=20
> Oops: 0003 [#1] SMP=20
> Pid: 323, comm: kswapd0 Not tainted (2.6.30-rc3-tip #34) P8SC8
> EIP: 0061:[<c0405bf7>] EFLAGS: 00010296 CPU: 0
> EIP is at xen_set_pte+0x89/0x93
> EAX: 00000000 EBX: c0207d58 ECX: 00000000 EDX: 6b0a6063
> ESI: 00000000 EDI: 000bd778 EBP: e254cd80 ESP: e254cd70
>  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069
> Process kswapd0 (pid: 323, ti=3De254c000 task=3De25c8000 task.ti=3De254=
c000)
>  =20

Hm, can't have everything I suppose...  I wonder what's going on here; I=20
haven't seen any problems with highpte at all.  Something .config-specifi=
c?

    J