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[Xen-devel] Running 3.9 kernel in domU with 3.11 kernel in dom0

I am running kernel 3.11-rc3 on arndale exynos 5250 board with xen 4.5 stack. It works fine with domU with kernel 3.17+ with ubutnu.

I am trying to run android as domU, so I am using kernel 3.9 in domU. With kernel 3.9 in domU, xen doesn't even boot the kernel at all. Here is the strace log http://pastebin.com/JMtg9mSY

Is this any ABI compatibility issue, as I was reading http://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions#Hypervisor_ABI_Compatibility

But both dom0 (3.11-rc3)and domU kernel(3.9) are not patched with this given patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=380108d891acf8db5cf0d477176c7ed2b62b7928 . So they should be able to interpolate between themselves.

Somehow kernel from arndale-domU-3.9 branch of http://xenbits.xen.org/git-http/people/julieng/linux-arm.git/ boots with same setup.

I welcome all your suggestions.

Best regards,
Gautam Malu
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