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Re: [Xen-users] centos 5.6 upgrade to 4.1 - no DomUs listed

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] centos 5.6 upgrade to 4.1 - no DomUs listed
From: Randy Katz <rkatz@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 18 May 2011 04:56:21 -0700
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Andy ps if you go through that doc you should only need this on your interface line in the VM conf:

vif = [ 'mac=00:16:3e:3e:10:37,bridge=xenbr0' ]

Regards,
Randy



On 5/18/2011 3:52 AM, Andy Howell wrote:
On 05/18/2011 03:34 AM, Randy Katz wrote:
try booting with pci=nomsi on the kernel line,
If you setup networking according to this then things should be working, and no 
need to
use vif in the bridge line: 
http://wiki.xensource.com/xenwiki/HostConfiguration/Networking

One of my working confs looks like this (CentOS 5.6 Xen 4.1):

name = "test1"
memory = "512"
disk = [ "phy:/dev/vg1/test1,xvda,w" ]
vif = [ 'mac=00:16:3e:aa:aa:91,bridge=xenbr0' ]
vcpus=1
on_reboot = 'restart'
on_crash = 'restart'
bootloader = "/usr/bin/pygrub"

on node:
# netstat -rn
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
192.168.0.0      0.0.0.0         255.255.255.0   U         0 0          0 xenbr0
169.254.0.0     0.0.0.0         255.255.0.0     U         0 0          0 xenbr0
0.0.0.0         192.168.1.1      0.0.0.0         UG        0 0          0 xenbr0

Randy,

        Thanks! pci-nomsi enabled me to boot. I'm able to get a domu up and 
login via vncviewer.
Networking isn't working however. I created xenbr0 with no IP address, as it was
previously. Something isn't correct. I don't see the interfaces that were part 
of the
bridge before:

    tap0
    vif1.0
    peth0
    vif0.0

I vaguely remember the xen scripts created those. I'll have to read up on it 
after a bit
of sleep. Thanks again.

Andy


/etc/sysconfig/network-scripts/ifcfg-xenbr0
DEVICE=xenbr0
TYPE=Bridge
BOOTPROTO=none
ONBOOT=yes
DELAY=0
NM_CONTROLLED=no

/etc/sysconfig/network-scripts/ifcfg-eth0
# Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet 
controller
DEVICE=eth0
BOOTPROTO=static
HWADDR=E0:CB:4E:97:68:DD
IPADDR=172.16.1.8
NETMASK=255.255.0.0
ONBOOT=yes
#BRIDGE=xenbr0


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