From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chen Baozi <baozich@gmail.com>
Subject: Re: Domain 0 crashed when booting OMAP5 uEVM
Date: Tue, 13 Aug 2013 16:45:16 +0800
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To: Andrii Anisov <andrii.anisov@globallogic.com>
Cc: Julien Grall <julien.grall@linaro.org>, Ian Campbell <Ian.Campbell@citrix.com>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
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On Aug 13, 2013, at 3:56 PM, Chen Baozi <baozich@gmail.com> wrote:

> 
> On Aug 12, 2013, at 10:30 PM, Andrii Anisov <andrii.anisov@globallogic.com> 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. 
>