Re: using mce_inject I get: RIP 10: {ttm_bo_unref+0xf/0x45 [ttm]}

Andi Kleen
2011-08-21T22:16:08Z

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.

-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
>

--
ak@linux.intel.com -- Speaking for myself only.