Re: [Xen-devel] Problems when creating domU on OMAP5

[Chen Baozi <baozich@xxxxxxxxx>]

On Sep 18, 2013, at 10:48 PM, Julien Grall <julien.grall@xxxxxxxxxx> wrote:

> On 09/18/2013 03:06 AM, Chen Baozi wrote:
>> On Tue, Sep 17, 2013 at 12:47:35PM +0100, Julien Grall wrote:
>>> On 09/16/2013 02:18 PM, Chen Baozi wrote:
>>>> Hi all,
>>>> 
>>>> I tried to create a domU on OMAP5 today. But it seems there are still some
>>>> problems to solve before I can successfully creat it.
>>>> 
>>>> I first cloned Julien's arndale-domU-3.9 branch which mentioned in wiki.
>>>> Then I modified gic addresses xenvm-4.2.dts to meet OMAP5432 requirement:
>>>> 
>>>> --- a/arch/arm/boot/dts/xenvm-4.2.dts
>>>> +++ b/arch/arm/boot/dts/xenvm-4.2.dts
>>>> @@ -49,13 +49,13 @@
>>>>                reg = <0 0x80000000 0 0x08000000>;
>>>>        };
>>>> 
>>>> -       gic: interrupt-controller@2c001000 {
>>>> +       gic: interrupt-controller@48211000 {
>>>>                compatible = "arm,cortex-a15-gic", "arm,cortex-a9-gic";
>>>>                #interrupt-cells = <3>;
>>>>                #address-cells = <0>;
>>>>                interrupt-controller;
>>>> -               reg = <0 0x10481000 0 0x1000>,
>>>> -                     <0 0x10482000 0 0x100>;
>>>> +               reg = <0 0x48211000 0 0x1000>,
>>>> +                     <0 0x48212000 0 0x1000>;
>>>>        };
>>>> 
>>>>        timer {
>>>> 
>>>> And make the kernel image as wiki said:
>>>> 
>>>> $ cat arch/arm/boot/zImage arch/arm/boot/xenvm-4.2.dtb > image
>>>> 
>>>> Write a config file used by xl like:
>>>> 
>>>> kernel = "/root/domU/image"
>>>> memory = "128"
>>>> name = "domU"
>>>> vcpus = 1
>>>> disk = [ 'phy:/dev/loop0,xvda,w' ]
>>>> 
>>>> Setup loop device:
>>>> 
>>>> $ losetup /dev/loop0 /root/domU/xen-arm.img
>>>> 
>>>> which xen-arm.img is the a bootable rootfs.
>>>> 
>>>> Finally I execute xl to create the domU:
>>>> 
>>>> $ sudo xl create -f config -d
>>> Can you to copy the output in pastebin of the following command?
>>> xl -vvv create -f config -d
>> 
>> See: http://pastebin.com/kGjQUM86
> 
> What is your dom0 linux configuration file?
> Did you enable at least the following config:
> /* For dom0 */
> CONFIG_XEN_BLKDEV_BACKEND=y
> CONFIG_XEN_NETDEV_BACKEND=y
> 
> /* For the guest */
> CONFIG_XEN_BLKDEV_FRONTEND=y
> CONFIG_XEN_NETDEV_FRONTEND=y


Yes, of course. This is why I think it is weird.

Thanks,

Baozi
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