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Re: [Xen-devel] network-bridge defunct

  • To: Ewan Mellor <ewan@xxxxxxxxxxxxx>
  • From: Michael Lessard <michael.lessard@xxxxxxxxx>
  • Date: Tue, 25 Oct 2005 15:49:09 -0400
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 25 Oct 2005 19:46:21 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

On 10/18/05, Michael Lessard <michael.lessard@xxxxxxxxx> wrote:

On 10/18/05, Ewan Mellor < ewan@xxxxxxxxxxxxx> wrote:
On Tue, Oct 18, 2005 at 09:48:07AM -0400, Michael Lessard wrote:

> Hi everybody !
>  I haved use Xen 2.06 with my two Domains from some months and all working
> pretty good !  Now i have remove Xen 2.06 and put Xen 3 (unstable.hg) , i
> haved build this morning with make world and make install.  My Dom0 and
> DomU starts successfuly, but on my  Dom0  i haved network-bridge defunct
> when i type ps -aux, so you imagne that in DomU netwrok wan't work :(

The defunct network-bridge is not a problem.  There are other problems with
networking, and I'll let other people answer, because I don't have a handle on
them at the moment, but the defunct network-bridge process isn't a problem in
and of itself.


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If i use brctl to create bridge like in the script,
# brctl addif xen-testbridge eth0  
error on eth0

but if i use :
# brctl addbr xen-testbridge 
# brctl addif xen-testbridge eth0  
no error reported ...

But i thinkg to make it work with Xen, i need other things...

With latest mercurial source, network-bridge defunct is now ok ;) 

But i still could not ping my Dom0 for DomU ...

My setup :
2 Network Carfs on Debian Sid for both of my domains (Dom0 and DomU)
1 network cards (eth0) for my DomU, the config for network cards on Dom0 is :
      iface eth0 inet manual
            up /sbin/ifconfig eth0 up

When i start DomU, i see appear vif1.0 , when i ping Dom0 from Dom0 i see only RX bytes growth

On Dom0 , i have do echo "1" > /proc/sys/net/ipv4/ip_forward  and iptables -P FORWARD ACCEPT

My xen config for DomU :
kernel = "/boot/vmlinuz-2.6.12-xenU"
memory = 200
name = "Albert"
vif = [ 'mac=aa:00:00:00:00:11, bridge=xenbr0' ]
disk = [ 'phy:/dev/hdc3,hdc3,w', 'phy:/dev/hdc5,hdc5,w', 'phy:/dev/hdc1,hdc1,w' ]
root = "/dev/hdc3 ro"

I have try with and without mac address specified ...
What's wrong with my setup ? 



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