linux-kernel - Re: using mce_inject I get: RIP 10:<ffffffffa012c909> {ttm_bo

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Date:	Sun, 21 Aug 2011 16:08:25 -0700
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	tony.luck@...el.com
Subject: Re: using mce_inject I get: RIP 10:<ffffffffa012c909> {ttm_bo_unref+0xf/0x45
 [ttm]}

On 08/21/2011 03:16 PM, Andi Kleen wrote:
> On Sat, Aug 20, 2011 at 07:31:06PM -0700, Justin P. Mattock wrote:
>> not sure if I am running mce_test correctly, but during its routine of
>> testing things I do get a pause with everything, then the below shows up
>> in dmesg..:
>
> The message is expected, but there should be no noticeable
> pause.

well  looking and doing more of these tests I am getting a noticeable 
pause, lasts for about 2-3 seconds then everything goes back to normal.
(all of these are whenver the tests do a timout test).

>
> -Andi
>
>>
>> http://fpaste.org/kMRd/
>>
>>
>> [ 1810.670434] Triggering MCE exception on CPU 1
>> [ 1810.670462] [Hardware Error]: CPU 1: Machine Check Exception: 6 Bank
>> 4: b300000000000000
>> [ 1810.670467] [Hardware Error]: RIP 73:<0000000012343434>
>> [ 1810.670470] [Hardware Error]: TSC 38d1002c216
>> [ 1810.670474] [Hardware Error]: PROCESSOR 0:6f6 TIME 1313892803 SOCKET
>> 0 APIC 1
>> [ 1810.670477] [Hardware Error]: Run the above through 'mcelog --ascii'
>> [ 1810.670481] [Hardware Error]: Machine check: Processor context corrupt
>> [ 1810.670483] [Hardware Error]: Fake kernel panic: Fatal Machine check
>> [ 1810.670495] MCE exception done on CPU 1
>> [ 1819.064721] Triggering MCE exception on CPU 1
>>
>> seems light of a pause, then everything resumes properly(music, etc..).
>> Is this something that needs attention, or are these tests as extreme as
>> can be, and should simply be ignored?
>> (Note: if there is a mce list somewhere let me know so I direct this to
>> the proper people)
>>
>> Justin P. Mattock
>>
>

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