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

[Julien Grall <julien.grall@xxxxxxxxxx>]

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

-- 
Julien Grall

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