Re: Purpose of numa_node?

[Brice Goglin]

Yinghai Lu wrote:
> On Jan 31, 2008 5:42 AM, Brice Goglin <Brice.Goglin@xxxxxxxx> wrote:
>   
>> It works fine on regular machines such as dual opterons. However, I
>> noticed recently that it was wrong on some quad-opteron machines (see
>> http://marc.info/?l=linux-pci&m=119072400008538&w=2) because something
>> is not initialized in the right order. But I haven't tested 2.6.24 on
>> this hardware yet, and I don't know if things have changed regarding this.
>>     
>
> that will depend if you dsdt have _PXM for your pci root bus.
> otherwise you will get all -1
>   

Have a look at the above link. I don't get -1. I get 0 everywhere, while
I should get 1 for some devices. And if I unplug/replug a device using
fakephp, numa_node becomes correct (1 instead of 0). This just looks
like the code is there but things are initialized in the wrong order.

Brice


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