On 12/11/2011 02:43 PM, Yinghai Lu wrote:
> On Sat, Dec 10, 2011 at 11:57 PM, Ingo Molnar <mingo@elte.hu> wrote:
>>
>> What we want is not a nox2apic option but a good fall-back
>> mechanism that is able to boot the system automatically and
>> safely, without the user having to tweak *anything* ...
> 
> Attached -v4 should automatically switch to xapic mode.
> 
> Berck,
> Can you please try -v4 patch on your setup when BIOS have x2apic enabled?

No problem: It does not work as expected.  Log attached.