From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xensource.com>
Subject: Re: Xen 3.1 - Can't run Fedora Core 1 PV
Date: Thu, 12 Jul 2007 14:11:19 +0100
Message-ID: <C2BBE707.1256D%keir@xensource.com>
References: <C2BBC688.12544%keir@xensource.com>
Mime-Version: 1.0
Content-Type: text/plain;
	charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <C2BBC688.12544%keir@xensource.com>
List-Unsubscribe: <http://lists.xensource.com/cgi-bin/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/cgi-bin/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: Nick Craig-Wood <nick@craig-wood.com>, xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org


My current guess is that this is a kernel version issue. Have you tried
using your old (pre-3.1) domU kernel with the FC1 image on Xen 3.1?

 -- Keir

On 12/7/07 11:52, "Keir Fraser" <keir@xensource.com> wrote:

> Is this using an up-to-date kernel image? I.e., we think the problem occurs
> when we hit the init task?
> 
>  -- Keir
> 
> On 12/7/07 11:46, "Nick Craig-Wood" <nick@craig-wood.com> wrote:
> 
>> I can't run a Fedora Core 1 image PV - it SEGVs on start.  This is a
>> show stopper for me upgrading to xen 3.1 as we have quite a few FC1
>> images.
>> 
>> I've written a bug report here, but I'm not sure anyone ever looks at
>> bugzilla!
>> 
>>   http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=993
>> 
>> Here are the details...
>> 
>> Xen 3.1 runs most of my domUs just fine, windows etc, but it doesn't
>> run a Fedora Core 1 image.  It hangs at 100% cpu usage just after
>> "Freeing kernel memory".
>> 
>> If I mount the FC1 image on dom0 and chroot into it I get
>> 
>>   # chroot . /bin/bash
>>   Segmentation fault
>> 
>> I've put a small ext2 filing system here (built from a virgin FC1
>> image) which demonstrates the problem
>> 
>>   http://www.craig-wood.com/nick/pub/fedora_demo.gz
>> 
>> Mounting it and chrooting from dom0 under Xen 3.1 gives the SEGV.
>> Doing the same from Xen 3.0.3 , Xen 3.0.4 and Debian testing works
>> fine.
>> 
>> I've verified that the same thing happens on the binary download from
>> the xen web site (xen-3.1.0-install-x86_32p.tgz) dated June 1st so it
>> isn't just my dodgy compiling skills!
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel