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Re: [Xen-users] strange network issue after upgrade to 3.4

  • To: "Fajar A. Nugraha" <fajar@xxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Ian Tobin" <itobin@xxxxxxxxxxxxx>
  • Date: Wed, 10 Jun 2009 16:05:08 +0100
  • Cc:
  • Delivery-date: Wed, 10 Jun 2009 08:09:23 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: Acnp3NhrGIt+3cpRQIqawj3MCpDB8A==
  • Thread-topic: Re: [Xen-users] strange network issue after upgrade to 3.4



Sorry about the delay, ive been away.


Ive disabled xen from starting up by remvoving the entries from /etc/rc2.d but the network still fails to load although if you do a ifconfig you can see eth0 with an IP address.







On Sun, May 31, 2009 at 6:18 PM, Fajar A. Nugraha <fajar@xxxxxxxxx> wrote:

> On Fri, May 29, 2009 at 7:02 PM, Ian Tobin <itobin@xxxxxxxxxxxxx> wrote:

>> Yep,


>> Make

>> Make install


> That's odd. It should mean you're using both the new hypervisor and

> userland. Can you try disabling xend's startup (on RHEL this is

> chkconfig) and see if networking works with the new hypervisor but

> before xend's bridging code takes place.


Another note: when you install xen from sources, it overwrites scripts

on /etc/xen/scripts as well as the config /etc/xen/xend-config.sxp.

One of the difference is that Lenny's packages uses network-dummy by

default, and you have to either:

- setup bridges manually, or

- edit xend-config.sxp to enable network-bridge.


Xen's config uses network-bridge by default.


The thing is network-bridge from Lenny's Xen-3.2 package did not work

for me (I kept getting "receive pakage with own address as source" or

something like that), while Xen 3.4's version works. It might be the

other way around for you. If that's the case then disabling xend

during during startup would at least make sure that networking

(modules, gateway, etc.) is OK, and that you only have to find

bridging setup that works for you (manual setup, Lenny's, or Xen








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