Ronald J. Yacketta wrote:
> Hell all :)
>
> Recently I have been trying to re-deploy several of our systems with a
> fc8 xen kernel but having a fight with koan and --replace-self. No
> matter what I try I get 'invalid or unsupported executable format' after
> rebooting the system.
>
>
This is an fortunately an easy one. You should not deploy the "xen"
kernels, but rather deploy normal kernels and include "kernel-xen" in
the %packages
section. I think that is most likely causing the problem, but since you
didn't share which koan command line I'm not sure.
The "xen" variant is there for installing virtual guests.
> Did some quick digging and noticed that the initrd.img on the cobbler
> box and the client box are different in size, this difference appears to
> be coming from koan and its attempt to embed the ks file. Not sure if I
> am doing something wrong (which is more likely the case) or is koan is
> walking on the far side.
>
Right, koan does embed the KS file in the initrd, which is by design as
it is there for non-DHCP and slow/buggy DHCP
scenarios.
> Here is the output of my cobbler profile, distro and system settings:
>
> fc8x.ks works fine when I attempt a normal KS from PXE
>
> [ ~]# cobbler profile report --name=fc8x
> profile : fc8x
> distro : fc8x
> dhcp tag : default
> kernel options : {}
> post kernel options : {}
> kickstart : /etc/cobbler/fc8.ks
> ks metadata : {}
> owners : ['admin']
> repos : []
> server : <<inherit>>
> virt bridge : xenbr0
> virt cpus : 1
> virt file size : 5
> virt path :
> virt ram : 512
> virt type : xenpv
>
> [ ~]# cobbler distro report --name=fc8x
> distro : fc8x
> breed : redhat
> os version :
> architecture : i386
> initrd : /var/tftpboot/fc8/xen/initrd.img
> kernel : /var/tftpboot/fc8/xen/vmlinuz
> kernel options : {}
> post kernel options : {}
> ks metadata : {}
> owners : ['admin']
>
> [ ~]# cobbler system report --name=virttest
> system : virttest
> profile : fc8x
> image : None
> kernel options : {}
> kernel options post : {}
> kickstart : <<inherit>>
> ks metadata : {}
> netboot enabled? : True
> owners : ['admin']
> server : <<inherit>>
> virt cpus : <<inherit>>
> virt file size : 2
> virt path : <<inherit>>
> virt ram : 128
> virt type : xenpv
> interface : intf0
> mac address :
> ip address :
> hostname :
> gateway :
> subnet :
> virt bridge :
> dhcp tag :
>
>
>
> -Ron
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