From: "H. Peter Anvin" <hpa@zytor.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>,
rrl125@gmail.com, fa.linux.kernel@googlegroups.com,
"Berck E. Nash" <flyboy@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: x2apic boot failure on recent sandy bridge system
Date: Fri, 19 Oct 2012 16:36:52 -0700 [thread overview]
Message-ID: <5081E414.6080004@zytor.com> (raw)
In-Reply-To: <CAE9FiQUmTnhCzvaxaHbwWbcxDrjYix91Yf8TZN6ob0W_Yz1csQ@mail.gmail.com>
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.
next prev parent reply other threads:[~2012-10-19 23:36 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.1zfuXwqYK6u81uBoo3IdpawcpWw@ifi.uio.no>
[not found] ` <fa.p3cpkKIGUNv0/iot3o7KT9bb98M@ifi.uio.no>
[not found] ` <fa.iPHW7usT23k+cCA19L3eXEDu91Q@ifi.uio.no>
[not found] ` <fa.7eOK+XcsKUWU4ZXhBj2K6znxrvc@ifi.uio.no>
[not found] ` <fa.VGxfKOh1Z07X1TXm5PxMIlV4xu8@ifi.uio.no>
[not found] ` <fa.eH+BpYDdp4xIWE4V+wJu6hFrVxM@ifi.uio.no>
2012-10-19 20:42 ` rrl125
2012-10-19 23:03 ` Suresh Siddha
2012-10-19 23:32 ` Yinghai Lu
2012-10-19 23:36 ` H. Peter Anvin [this message]
2012-10-20 0:02 ` Suresh Siddha
2012-10-20 0:41 ` Yinghai Lu
2011-12-10 1:56 Berck E. Nash
2011-12-10 20:17 ` Yinghai Lu
2011-12-10 22:58 ` Berck E. Nash
2011-12-10 23:11 ` Yinghai Lu
2011-12-11 7:57 ` Ingo Molnar
2011-12-11 21:43 ` Yinghai Lu
2011-12-11 22:05 ` Berck E. Nash
2011-12-12 3:40 ` Yinghai Lu
2011-12-12 23:21 ` Berck E. Nash
2011-12-13 0:25 ` Suresh Siddha
2011-12-13 1:29 ` Yinghai Lu
2011-12-13 1:41 ` Suresh Siddha
2011-12-13 4:32 ` Yinghai Lu
2011-12-13 5:13 ` Yinghai Lu
2011-12-16 13:59 ` Berck E. Nash
2011-12-18 8:47 ` Ingo Molnar
2011-12-12 23:42 ` H. Peter Anvin
2011-12-13 1:25 ` Yinghai Lu
2011-12-12 7:23 ` Suresh Siddha
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