Re: [Xen-devel] XEN 4.5, odroid-xu, domU

[Suriyan Ramasami <suriyan.r@xxxxxxxxx>]

Thank you Julien and Ian for your comments and suggestions!

Ian,
    Thank you for your detailed comments and notes regarding
CONFIG_LL. Thank you for your suggestions on the debugging tricks. I
shall remember these for the next set of hurdles if and when I face
them.

Julien,
    Thanks for the hint on the kernel not being multiplatform. It
indeed wasn't. I do see some patches in the linux samsung next tree,
for including exynos in the multiplatform setting.
    Hence, I did a separate compile for domU, setting it to
multiplatform and CONFIG_ARCH_VIRT=y by the below:
=> System Type -> ARM system type -> Allow multiple platforms to be selected.
=> System Type -> Multiple platform selection -> ARMV v7 based
=> System Type -> Dummy Virtual machine.

With this domU boots up like a champ!

Maybe, I might try dabbling with samsung-linux next branch of the
linux kernel and see if dom0 and domU can use the same kernel.

Thank you so much again, you guys are just amazing!!


Regards
- Suriyan

PS: It would be great if the multiplatform bit and the
CONFIG_ARCH_VIRT hint is mentioned in the wiki for the next poor soul
who hits the same issue!

On Mon, Jul 21, 2014 at 4:33 AM, Julien Grall <julien.grall@xxxxxxxxxx> wrote:
> On 07/21/2014 12:29 PM, Ian Campbell wrote:
>> On Mon, 2014-07-21 at 12:27 +0100, Julien Grall wrote:
>>
>>> I suspect the odroid xu kernel is not multiplatform. In this case you
>>> can't reuse the same kernel for DOM0 and the guest.
>>>
>>> You also need to make sure that CONFIG_ARCH_VIRT=y.
>>
>> Are these things worth adding to
>> http://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions#Common_DomU_Pitfalls
>> ?
>
> I though we already added a paragraph about multi-platform kernel on the
> wiki page but I can't find it.
>
> --
> Julien Grall

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