[arch-general] mce after linux-3.11.5-1 on NP900X3C

[Mark Lee]

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On 11/15/2014 12:20 PM, Rasmus Liland wrote:
> On 2014-11-15 15:21, LoneVVolf wrote:
>> On 15-11-14 06:57, Rasmus Liland wrote:
>>> On 2014-11-15 06:10, Mark Lee wrote:
>>>> On 11/14/2014 10:29 PM, Rasmus Liland wrote:
>>>>> On 2014-11-15 04:01, Mark Lee wrote:
>>>>>> Are you booting with the new intel u-code?
>>>>> Are you fairly sure this is a Intel microcode issue?
>>>> I'm not completely certain; but it would make sense. I'd test
>>>> it out.
>>> Thank you for your help thus far. I'll examine this further
>>> tomorrow, g'night.
>> From rasmus first post:
>>> I'm experiencing machine check exceptions since every kernel
>>> after package linux-3.11.5-1 (Oct 14 2013)
>> New intel microcode was only introduced with kernel 3.17 ... It's
>> unlikely to have to do with this issue.
>> 
>> install mcelog, run it as the log tells you and post the result.
> Thank you for your new, important thoughts. I put the lines in a
> file called mce.log.
> 
> rasmus at angrist ~ % cat mce.log [19367.116196] mce: [Hardware
> Error]: CPU 1: Machine Check Exception: 5 Bank 4: b200000000100402 
> [19367.116202] mce: [Hardware Error]: RIP !INEXACT!
> 33:<00007f8b4934c8b7> [19367.116205] mce: [Hardware Error]: TSC
> 2824672b8e7 [19367.116211] mce: [Hardware Error]: PROCESSOR 0:306a9
> TIME 14010118857 SOCKET 0 APIC 1 microcode 12 rasmus at angrist ~ %
> sudo mcelog --ascii < mce.log mce: [Hardware Error]: CPU 1: Machine
> Check Exception: 5 Bank 4: b200000000100402 mce: [Hardware Error]:
> RIP !INEXACT! 33:<00007f8b4934c8b7> mce: [Hardware Error]: TSC
> 2824672b8e7 mce: [Hardware Error]: PROCESSOR 0:306a9 TIME
> 14010118857 SOCKET 0 APIC 1 microcode 12
> 
> I never did use the mcelog tool before, but to me it looks like not
> much of an analysis, perhaps I'm doing it wrong.
> 

To Rasmus,

Looks like a microcode error, please try to add the intel-ucode to
your kernel cmdline.

Regards,
Mark
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