Re: [Xen-devel] Domain 0 crashed when booting OMAP5 uEVM

[Chen Baozi <baozich@xxxxxxxxx>]

On Aug 13, 2013, at 3:56 PM, Chen Baozi <baozich@xxxxxxxxx> wrote:

> 
> On Aug 12, 2013, at 10:30 PM, Andrii Anisov <andrii.anisov@xxxxxxxxxxxxxxx> 
> wrote:
> 
>> 
>> 
>> 
>>> - Turning on paging -
>>> - Ready -
>>> fdt: node `cpu@0': invalid #address-cells or #size-cellsfdt: node `cpu@1':
>>> - invalid #addref
>> 
>> Hum ... this is why Xen can't find the other cpus. Could you paste the
>> content of the node cpus here?
>> 
>> 
>> I bet, something like this:
>> 
>>        };
>> 
>>        cpus {
>> +               #address-cells = <1>;
>> +               #size-cells = <0>;
>> +
>>                cpu@0 {
>> +                       device_type = "cpu";
>>                        compatible = "arm,cortex-a15";
>> +                       reg = <0>;
>>                        operating-points = <
>>                                /* kHz    uV */
>>                                /* Only for Nominal Samples */
>> @@ -48,7 +53,9 @@
>>                        clock-latency = <300000>; /* From omap-cpufreq driver 
>> */
>>                };
>>                cpu@1 {
>> +                       device_type = "cpu";
>>                        compatible = "arm,cortex-a15";
>> +                       reg = <1>;
>>                };
>>        };
>> 
>> will help to Chen.
> 
> I used the original 3.8 kernel's dts from TI. And the cpu node (I've modified
> to move the timer node outside it) is like:
> 
>       cpus {
>               cpu@0 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a15";
>                       reg = <0x0>;
>               };
>               cpu@1 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a15";
>                       reg = <0x1>;
>               };
>       };
> 
> And I checked the latest git tree I've used, it is:
> 
>       cpus {
> +             #address-cells = <1>;
> +             #size-cells = <0>;
> 
>               cpu@0 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a15";
>                       reg = <0x0>;
>               };
>               cpu@1 {
>                       device_type = "cpu";
>                       compatible = "arm,cortex-a15";
>                       reg = <0x1>;
>               };
>       };
> 
> I'll check if the missing address-cells and size-cells caused my
> issues.
> 

Yes, it is because of lacking #address-cells and #size-cells.

> 
>> 
>> Sincerely,
>> Andrii Anisov. 
> 


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