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Re: [Xen-users] Xen-Unstable 3.2 no xenbr0 no vif

  • To: "Mark Williamson" <mark.williamson@xxxxxxxxxxxx>
  • From: "Emre Erenoglu" <erenoglu@xxxxxxxxx>
  • Date: Tue, 11 Dec 2007 11:22:49 +0100
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 11 Dec 2007 02:23:26 -0800
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi Mark,

Thanks for your mail. I understood now that it's the case. In fact, when I put eth0 as the bridge name in xen domU conf files, the DomU booted OK.

However, this shall be loudly "announced" somewhere, I'm sure many people can ask the same question.



On Dec 11, 2007 2:23 AM, Mark Williamson <mark.williamson@xxxxxxxxxxxx> wrote:
> I have an Ubuntu 7.10 system that I want to run Xen on. I tried Ubuntu's
> own packages but was not satisfied with the stability, so decided to give
> xen-unstable a try. I removed all xen related packages and removed /etc/xen
> configuration files. (hope it was enough).
> I downloaded xen source code from Mercurial repository and compiled the
> whole package with "make world" then "make install". Everything went
> smoothly.
> However, now I have eth0, lo and peth0, but no vif or xenbr0 interfaces.

At some point the configuration changed so that the default bridge is
called "eth0", presumably in order to break less tools that assume "eth0" as
the primary network interface.

Run "brctl show" and it should list eth0 as being a bridge on your system.


> What shall I do?  Is there a way to completely rewrite xen network
> settings? I don't understand why it doesn't create the necessary
> interfaces...
> here's the ifconfig -a (network is operational for dom0)
> emre@xenroot:~$ ifconfig -a
> eth0      Link encap:Ethernet  HWaddr 00:18:F3:9D:6E:FC
>           inet addr:  Bcast:  Mask:
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:15 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:32 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:3354 (3.2 KB)  TX bytes:13361 (13.0 KB)
> lo        Link encap:Local Loopback
>           inet addr:  Mask:
>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
>           RX packets:513 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:513 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:3036964 (2.8 MB)  TX bytes:3036964 (2.8 MB)
> peth0     Link encap:Ethernet  HWaddr 00:18:F3:9D:6E:FC
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:36 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:45 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:4974 ( 4.8 KB)  TX bytes:14786 (14.4 KB)
>           Memory:fe9c0000-fea00000
> Thanks a lot,

Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

Emre Erenoglu
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