WARNING - OLD ARCHIVES

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/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

Re: [Xen-users] dom0 bootup -- Device eth0 has differet mac address than

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] dom0 bootup -- Device eth0 has differet mac address than expecte
From: Mark Williamson <mark.williamson@xxxxxxxxxxxx>
Date: Wed, 31 Aug 2005 12:38:25 +0100
Cc: datto@xxxxxxxxxxx
Delivery-date: Wed, 31 Aug 2005 11:40:00 +0000
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <48vheq$17carhk@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: <48vheq$17carhk@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: KMail/1.8
> >> I think he's having problems with Dom0 changing
> >> Mac address, rather than the domU (is that right?)
>
> Yes, you are correct. It's dom0 that seems to be getting a random MAC and
> because of that Xen can't t find the NIC and won't load eth0 because the
> MAC is different than what is expected. I've seen others with the same
> problem and their (different) fixes haven't worked for me.

Weird!

> >> Does the original machine have more than one
> >> ethernet device?  Perhaps Linux is enumerating the
> >> cards in a different order when running under Xen so
> >> you're not using the card you think you are?
>
> It's a single NIC in the machine. Dell 2400. NIC on the motherboard.

Really weird!

Is it possible that a different driver is being used for this NIC in XenLinux 
than native Linux (compare the output from your network driver in "dmesg" on 
both configurations)?  Not entirely sure why this'd make a difference 
though...

Cheers,
Mark

>
> Ah well, I've decided to forego CentOS 4.1 for now and reload the box with
> Fedora Core 4 since the Xen directions seem to be a bit better for Xen on
> FC4 than for Xen on CentOS 4.1/RHEL 4x. Hopefully that will make the world
> a beautiful thing and allow me to actually see Xen working.
>
> Thanks for the help.
>
> Datto
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users