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Re: [Xen-users] trouble installing

  • To: Pasi Kärkkäinen <pasik@xxxxxx>
  • From: Ted Brenner <griztown@xxxxxxxxx>
  • Date: Mon, 21 Feb 2011 20:14:33 -0600
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 21 Feb 2011 18:16:00 -0800
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Thanks for the help Pasi.  So why use Debian network scripts in lieu of Xen scripts when the Debian wiki doesn't suggest it? 

I removed 'bridge=eth0' from the network-script line but I'm still having trouble with the xen daemon.  When I boot up it isn't running and when I shutdown it still hangs apparently because it's getting no response from eth0.  Do I have to do something to make my change to xend-config.sxp permanent? 

When I try and start up xend I see this error:

# xend start
ifdown: interface eth0 not configured
RTNETLINK answers: Device or resource busy
/etc/xen/scripts/network-bridge: line 240: sigerr: command not found

On Mon, Feb 21, 2011 at 4:18 AM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
On Sun, Feb 20, 2011 at 10:14:06PM -0600, Ted Brenner wrote:
>    Hi,
>    I'm trying to setup Xen 4.0 on Debian Squeeze.  I've been following this
>    wiki for the most part.  [1]http://wiki.debian.org/Xen.  When I first went
>    through the process, after rebooting I just got a blank black screen with
>    no grub.  So after reinstalling my OS I've been rebooting after every step
>    and everything works fine (not sure why I got the grub error the first
>    time).  But after uncommenting the network-script part of xen-config.sxp
>    file and adding 'network-bridge antispoof=yes', things start to act up.
>    The first thing I noticed was that shutdowing down the dom0 now hangs,
>    usually at the point of stopping the xend daemon.  So I tried adding
>    'bridge=eth0'.  Nothing really change but I still installed a domU, Ubuntu
>    Maverick.  However, I couldn't connect as I was getting errors like this:
>    Error: Device 0 (vif) could not be connected. Hotplug scripts not working.
>    Checking the hotplug log it said this
>    can't add vif1.0 to bridge eth0: Operation not supported

Sounds like 'eth0' is not a bridge. So probably wrong bridge= parameter used for that vm.

eth0 is my dom0 network interface so the problem is that it is already in use correct? 

>    So I'm wondering how I should be setting up the network-scripts.  Every
>    instruction I read mentions it but they all seem to have slightly
>    different variants.  Any help would be much appreciated.  I'm running on
>    amd64 platform.

I'd recommend to disable xen network-script in /etc/xen/xend-config.sxp
and set up the required bridges using debian network scripts.

-- Pasi

Ted Brenner
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