[Ksummit-2012-discuss] [ATTEND] kernel core dump and "dying breath"

H. Peter Anvin hpa at zytor.com
Thu Jun 28 00:41:56 UTC 2012


On 06/27/2012 05:33 PM, Roland Dreier wrote:
> On Wed, Jun 27, 2012 at 3:50 PM, H. Peter Anvin <hpa at zytor.com> wrote:
>> It is?  What power state are you in when you panic?  Do you even know if you
>> will stay in that power state?
>
> OK, well at least on relatively recent systems with a constant TSC frequency
> we should be able to do something I guess.  (We have to have the CPU
> running to run the panic code anyway)
>

Yes, on x86 you should be fine.  Still, I think a single screen that one 
can snap a picture of is still a better idea.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.





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