From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: Problems booting latest xen pv-ops linux kernel
Date: Wed, 18 Nov 2009 10:08:56 -0500
Message-ID: <20091118150856.GG15585@phenom.dumpdata.com>
References: <87zl6klp06.fsf@frosties.localdomain>
	<20091118071044.GO16033@reaktio.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: quoted-printable
Return-path: <xen-devel-bounces@lists.xensource.com>
Content-Disposition: inline
In-Reply-To: <20091118071044.GO16033@reaktio.net>
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: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= <pasik@iki.fi>
Cc: Xen Developers List <xen-devel@lists.xensource.com>, Goswin von Brederlow <goswin-v-b@web.de>
List-Id: xen-devel@lists.xenproject.org

On Wed, Nov 18, 2009 at 09:10:44AM +0200, Pasi K=E4rkk=E4inen wrote:
> On Wed, Nov 18, 2009 at 12:18:01AM +0100, Goswin von Brederlow wrote:
> > Hi,
> >=20
> > I followed http://wiki.xensource.com/xenwiki/XenParavirtOps
> > to build a bleeding edge linux kernel with
> >=20
> >   git clone git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.=
git linux-2.6-xen
> >=20
> > I build the kernel for amd64 and installed Debians
> > xen-hypervisor-3.4-amd64 package and bootet. Xen comes up nicely and
> > starts the kernel. It detects my SATA disk (sata_sil driver) but then
> > fails to read block 0. Something in xen breaks the sata_sil driver.
> >=20
> > Booting the kernel as bare-metal works fine.
> >=20
> > Anyone an idea what is wrong? The wiki lists a few problems (e.g. on
> > 32bit use CONFIG_HIGHPTE=3Dn) but nothing for 64bit. Anything config
> > option known to have sideeffects?
> >=20
>=20
> You could try my .config:
>=20
> cd linux-2.6-xen
> cp -a .config .config-old
> wget -O .config http://pasik.reaktio.net/xen/pv_ops-dom0-debug/config-2=
.6.31.4-pvops_dom0-x86_64
> make oldconfig
> <continue as usual>

Pasi,

The idea of the Wiki and people using it has been quite a good one. Do yo=
u think
it would make sense to include a checklist of things to when things don't=
 work.
As in:

 1). Try this .config.
 2). Get serial console ('dmesg + xm dmesg') output to Xen-devel. To get =
this
     via the serial console follow these steps: ...blah blah

 3) and so on.