Re: [regression] 3.7 ends in APIC panic

From: Bernd Schubert
Date: Sun Dec 16 2012 - 13:28:59 EST


On 12/16/2012 07:07 PM, Yinghai Lu wrote:
> On Sun, Dec 16, 2012 at 10:01 AM, Bernd Schubert
> <bernd.schubert@xxxxxxxxxxxxxxxxxx> 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.

Thanks! CONFIG_X86_X2APIC depends on
CONFIG_IRQ_REMAP, which I disabled as it is marked as experimental and
as this is my desktop system. So CONFIG_X86_X2APIC also got unset
automatically.

Will test a new kernel build in the morning.


Thanks,
Bernd
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