Re: DomU creation failure for Xen-ARM

[Julien Grall <julien.grall@linaro.org>]

On 10/28/2013 06:07 PM, Vaibhav Bedia wrote:
> On Sun, Oct 27, 2013 at 5:15 PM, Vaibhav Bedia <vaibhav.bedia@gmail.com> wrote:
>> Hi,
>>
>> By putting some stupid workaround in dist-tools creation step as
>> reported earlier
>> i now have a Ubuntu ARM system running on OMAP5 Dom0.
>>
>
> I finally got a couple of DomUs using a ramdisk running on OMAP5 :)
>
> The problem was due to the dtb for DomU allocating only 32MB of memory.
> Once i increased that the error reported earlier went away.
>
> The comment in xenvm-4.2.dts in the kernel seems to suggest the memory
> node gets updated
>
> memory@80000000 {
>          device_type = "memory";
>          /* this field is going to be adjusted by the hypervisor */
>          reg = <0 0x80000000 0 0x08000000>;
> };
>
> Is there some config option to get this working as expected?

Not yet. Ian Campbell is working on the auto-generation of domU device tree.
For now, if you want to change the amount of memory, you need to modify 
the device tree yourself and xl configuration file.

Cheers,

Julien

-- 
Julien Grall