Il 10/12/2013 14:15, Eduardo Habkost ha scritto:
>> > If the total number of the assigned numa nodes memory is not
>> > equal to the assigned ram size, it will write the wrong data
>> > to ACPI talb, then the guest will ignore the wrong ACPI table
>> > and recognize all memory to one node. It's buggy, we should
>> > check it to ensure that we write the right data to ACPI table.
>> > 
>> > Signed-off-by: Wanlong Gao <[email protected]>
> This will make configurations that could be running for years (except
> that the guest OS was ignoring the NUMA data) suddenly stop running. I
> just want to confirm: we really want that, right?
> 
> Does libvirt allow this kind of broken configuration to be generated, or
> it already ensures the total NUMA node sizes match RAM size?

It allows this.  It just converts the <numa> XML to "-numa node".

Paolo

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