Messages in this thread | | | Date | Mon, 17 Dec 2012 15:02:38 +0100 | From | Ingo Molnar <> | Subject | Re: [regression] 3.7 ends in APIC panic |
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* Bernd Schubert <bernd.schubert@itwm.fraunhofer.de> wrote:
> On 12/16/2012 07:07 PM, Yinghai Lu wrote: > >On Sun, Dec 16, 2012 at 10:01 AM, Bernd Schubert > ><bernd.schubert@itwm.fraunhofer.de> wrote: > >>>can you post your .config for v3.7 ? > >>> > >>>wonder if you have x2apic in .config > >> > >>Which setting is it? Config is attached. > > > >your config does not have > > > >CONFIG_X86_X2APIC=y > > > >set. > > > >please enable that. > > > >your BIOS pre-enable x2apic somehow, so you must have x2apic enabled in kernel. > > > >it x2apic really can not be re-enabled by kernel, kernel would disable > >x2apic automatically. > > The system boots fine with x2apic enabled. > > Thanks a bunch for your help,
I suspect this needs to be fixed/improved: currently it's way too easy to disable x2apic support accidentally.
Thanks,
Ingo
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