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

[Randy Katz <rkatz@xxxxxxxxxxxxxxxxxxxxx>]

People! Someone who is using the Xen scripts for the network bridge in 
Xen version 3.4.3 or
later might want to write up how to do it correctly as it is not clear 
from anything I have seen
so far. Thanks! I would do it but I am not using them to get my bridging 
done any longer.
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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