Messages in this thread | | | Date | Fri, 19 Oct 2012 16:36:52 -0700 | From | "H. Peter Anvin" <> | Subject | Re: x2apic boot failure on recent sandy bridge system |
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On 10/19/2012 04:32 PM, Yinghai Lu wrote: > On Fri, Oct 19, 2012 at 4:03 PM, Suresh Siddha > <suresh.b.siddha@intel.com> wrote: >> On Fri, 2012-10-19 at 13:42 -0700, rrl125@gmail.com wrote: >>> Any update? The messages just seem to have stopped months ago. A >>> fallback would be nice, I have been booting the kernel with noa2xpic >>> for since kernel 3.2, and currently I am working with 3.6.2. >>> >>> If needed I can try to attempt modifying the patch to include >>> fallback, but I am probably not the best person to do it. >>> >> >> Are you referring to this commit that made into the mainline tree >> already? >> >> commit fb209bd891645bb87b9618b724f0b4928e0df3de >> Author: Yinghai Lu <yinghai@kernel.org> >> Date: Wed Dec 21 17:45:17 2011 -0800 >> >> x86, x2apic: Fallback to xapic when BIOS doesn't setup interrupt-remapping > > I think his system has DMAR table and cpu support x2apic, So kernel > will switch to x2apic, > > but somehow BIOS SMI handler has problem with x2apic. should be thinkpad W520? >
Right, StinkPad W520 needs a quirk.
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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