[Xen-users] Fc5 guest on FC6 host

[Robin Bowes <robin-lists@xxxxxxxxxxxxxx>]

Hi,

I have a test box running FC5 (kernel-xen0-2.6.18-1.2200.fc5) with a FC5
guest system.

I upgraded the host to FC6, and am now running the FC6 Xen kernel
(kernel-xen-2.6.18-1.2798.fc6).

I am now unable to run the guest system. I see the following msgs in the
log:

ERROR: Non PAE-kernel on PAE host.
ERROR: Error constructing guest OS

I've googled and found this [1]:

Q. When creating a guest the message "Invalid argument" is displayed.

A. This usually indicates that the kernel image you are trying to boot
is incompatible with the hypervisor. This will be seen if trying to run
a FC5 (non-PAE) kernel on FC6 (which is PAE only), or if trying to run a
bare metal kernel.

[1] http://fedoraproject.org/wiki/FedoraXenQuickstartFC6


I'm guessing the fix is to upgrade the guest O/S to FC6 too. However, I
am currently unable to boot it as it won't boot under FC6 and the FC6
version of Xen won't run under the FC5 kernel.

Any suggestions as to how I might fix this? Or did I basically do things
in the wrong order, i.e. should I have upgraded the guest O/S first?

Thanks,

R.


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