This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


Re: [Xen-devel] need known working 64-bit upstream kernel config file fo

To: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Subject: Re: [Xen-devel] need known working 64-bit upstream kernel config file for PV guest
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Thu, 13 May 2010 23:57:38 +0300
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Thu, 13 May 2010 13:58:51 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <0eafaef2-2a64-4491-9d58-8cb231465554@default>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <20100513203053.GJ17817@xxxxxxxxxxx> <0eafaef2-2a64-4491-9d58-8cb231465554@default>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.18 (2008-05-17)
On Thu, May 13, 2010 at 01:49:01PM -0700, Dan Magenheimer wrote:
> Hi Pasi --
> Thanks for the reply.  Hope your trip home went well!

Yeah it did.. except the jetlag :)

> > What exact upstream kernel.org kernels you are trying to make work?
> Any working x86_64 config file for any upstream kernel >=2.6.32
> would be fine.  I have a 32-bit config file that works fine for 2.6.27
> up to 2.6.32 (and I think for 2.6.33... trying again now).
> is known to crash as Xen PV guest, I think fixes that.
So better use 2.6.33.latest update.

You could grab the Fedora 13 kernel and get the .config from it?
That F13 kernel works for me.

> I've just found out that my config file does NOT work for x86
> 2.6.34-rc5 though.  Not sure why...
> > I assume you're familiar with debugging crashing guest kernels?
> > 
> > If not, see here:
> > http://wiki.xensource.com/xenwiki/XenCommonProblems
> > 
> > The chapter "My Xen PV guest kernel crashes, how can I debug it?".
> I've done that before but these panics are all very early and
> I have a tombstone for each panic.  I thought enough people are
> using upstream kernels that I must just have some CONFIG_
> incorrect.  Perhaps I am wrong and I am the first one to
> try these upstream kernels (at least in a PV domain)?
> It seems that all the failures I am seeing have some kind
> of syscall in the stacktrace and they happen early enough
> in init that I suppose it is possible that this is the very
> first syscall that is failing.

Hmm.. Jeremy was thinking that some non-Xen changes in 2.6.34 
might have caused problems.

I haven't tried 2.6.34 myself (yet). I'll try some day in the near future..

-- Pasi

Xen-devel mailing list