[one-users] 32-bit userland/kernel on KVM?

[Florian Heigl]

On 06/27/2012 04:36 PM, Steven Timm wrote:
>
> I know this is slightly off-topic for OpenNebula list but I am
> wondering if anyone else has figured out how to do this:
>
> I am trying to run a virtual machine with 32-bit kernel and userland
> under OpenNebula using KVM hypervisor.  I have a 32-bit OS image
> prepared, it boots and I can log into it via virtual console.
> The problem is that every time it is instantiated, it blows away the
> network information with a default network configuration.
>
> In other words, it moves the /etc/sysconfig/network-scripts/ifcfg-eth0
> file to /etc/sysconfig/network-scripts/ifcfg-eth0.bak and replaces it
> with one that says
>
> DEVICE=eth0
> BOOTPROTO=dhcp
> ONBOOT=yes
>
> I can manually change the networking back and reboot and it is ok
> but if I save it to the image repo and launch it under a different MAC
> address it again blows away the initial networking.
>
> ------------
> I've seen problems like this before under KVM and Xen 64-bit VM's and
> somehow beat them but I don't remember how.  Anyone have any clues?
> Or a better libvirt-centered list to which this question could be directed?
On RHEL, it can be one of two beasts.
Kudzu - i pray for you it's not getting in your way
If yes, chkconfig --del kudzu

Most common on all Linux
udev being "smart" for you, go to /etc/udev/rules.d and have a look for 
persistent-net-rules.
It would have an incorrect eth0 mac address.

Florian