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xen-users
Re: [Xen-users] Cannot have eth0 in domU
Denis Lebeuf wrote:
Hello,
I am trying to run Xen 3 on FC5, but I cannot have the eth0 interface appear
in domU. I read nearly everything in this list that could look similar to my
problem but to no avail.
I have 3 servers running FC3 and Xen 2 with various domUs since a year.
Everything is fine on that front.
I took one of the server, upgraded it to FC5 and did the following:
- yum install xen kernel-xen0 kernel-xenU
- grub.conf contains
title Fedora Core (2.6.15-1.2054_FC5xen0
root (hd0,0)
kernel /boot/xen.gz-2.6.15-1.2054_FC5
module /boot/vmlinuz-2.6.15-1.2054_FC5xen0 root=LABEL=/ ro console=tty0
noscsi
module /boot/initrd-2.6.15-1.2054_FC5xen0.img
- rebooted with the xen0 kernel
- kept the default xend-config.sxp to use bridging
- started xend
- copied a domU FC3 image from another server (tried also with a trustix
image)
- mounted the FC3 image in loop fs and copied (cp
-a) /lib/modules/2.6.15-1.2054_FC5xenU to it
- created a domU configuration file:
kernel = "/boot/vmlinuz-2.6.15-1.2054_FC5xenU.img"
memory = 128
name = "test"
vif = [ '' ]
disk = [ 'file:/images/fc3,sda1,w' ]
root = "/dev/sda1 ro"
extra = "4"
Denis,
it's just a guess, but why don't you try and assign a MAC address to
your domU and give it another shot?
Greetz,
Andrej
- xm create -c test.conf
- everything in domU is fine except that eth0 is not seen:
ifconfig eth0
eth0: error fetching interface information: Device not found
- "ifconfig -a" shows lo and sit0 only
- on dom0:
brctl show
bridge name bridge id STP enabled interfaces
xenbr0 8000.feffffffffff no
peth0
vif0.0
vif1.0
- domU image contains valid ifcfg-eth0 configuration file
I tried to add network configuration into the domU configuration file:
ip="10.10.10.10"
netmask="255.255.255.0"
gateway="10.10.10.1"
broadcast="10.10.10.255"
and got the same results.
- I tried with and without a ramdisk image in the domU conf file (getting
desperate here)
- no errors in domU dmesg or with "xen dmesg" on dom0
I really don't know where to go from here. I made several attempts with
variations in config files but always got the same problem. Am I missing
something obvious? Any suggestion as to what tools I can use to troubleshoot?
Any help would be greatly appreciated.
Thanks a lot
Denis
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http://lists.xensource.com/xen-users
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