Problem bringing up DOMU on omap5432.

Problem bringing up DOMU on omap5432.

[bibin c]

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Hello,

I have been trying to bring up DOMU based on 3.8 Linux kernel on omap5 evm
(Cortex A 15), But I am facing an issue with the same.

I am running Xen 4.5 unstable and linux 3.15 rc5 as DOM0.
Earlier i had successfully brought up DOMU based on the same kernel as DOM0
(i.e. linux 3.15), but when i try linux  3.8  as DOMU boot fails.

The error occurs in setup_machine_fdt() of DOMU kernel, with the error
being:

-----------------------------------------------------------------------------------------------------------
(d1) Error: unrecognized/unsupported device tree compatible list:
(d1) [ DOMU: get flat device tree property
(d1) 'xen,xenvm-4.5' 'xen,xenvm' ]
(d1)
(d1) Available machine support:
(d1)
(d1) ID (hex)   NAME
(d1) ffffffff   Generic OMAP5 (Flattened Device Tree)
(d1) ffffffff   Generic OMAP4 (Flattened Device Tree)
(d1) ffffffff   Generic AM33XX (Flattened Device Tree)
(d1) ffffffff   Generic OMAP3-GP (Flattened Device Tree)
(d1) ffffffff   Generic OMAP3 (Flattened Device Tree)
(d1) 00000ae7   OMAP4 Panda board
(d1)
(d1) Please check your kernel config and/or bootloader.
------------------------------------------------------------------------------------------------------------

Could anyone shed some light on the same.


Thanks and Regards,
Bibin

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Re: Problem bringing up DOMU on omap5432.

[Ian Campbell]

On Fri, 2014-06-27 at 11:02 +0530, bibin c wrote:

> -----------------------------------------------------------------------------------------------------------
> (d1) Error: unrecognized/unsupported device tree compatible list:
> (d1) [ DOMU: get flat device tree property 
> (d1) 'xen,xenvm-4.5' 'xen,xenvm' ]

It looks like you might not have CONFIG_XEN enabled in your domU kernel
config. or something like that. Or perhaps you are missing
CONFIG_ARCH_MULTIPLATFORM?

Ian.

Re: Problem bringing up DOMU on omap5432.

[Julien Grall]

Hi,

On 27/06/14 10:37, Ian Campbell wrote:
> On Fri, 2014-06-27 at 11:02 +0530, bibin c wrote:
>
>> -----------------------------------------------------------------------------------------------------------
>> (d1) Error: unrecognized/unsupported device tree compatible list:
>> (d1) [ DOMU: get flat device tree property
>> (d1) 'xen,xenvm-4.5' 'xen,xenvm' ]
>
> It looks like you might not have CONFIG_XEN enabled in your domU kernel
> config. or something like that. Or perhaps you are missing
> CONFIG_ARCH_MULTIPLATFORM?

xen,xenvm is part of mach-virt. You will have to enable 
CONFIG_ARCH_MULTIPLATFORM and CONFIG_ARCH_VIRT.

Regards,

-- 
Julien Grall