lkml.org 
[lkml]   [2012]   [Oct]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: x2apic boot failure on recent sandy bridge system
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.



\
 
 \ /
  Last update: 2012-10-20 02:01    [W:0.066 / U:0.272 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site