On 12/16/2012 07:07 PM, Yinghai Lu wrote: > On Sun, Dec 16, 2012 at 10:01 AM, Bernd Schubert > <bernd.schub...@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.
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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/