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

H. Peter Anvin hpa at zytor.com
Sat Jun 30 02:43:43 UTC 2012


On 06/28/2012 06:51 AM, Jiri Kosina wrote:
> On Wed, 27 Jun 2012, Roland Dreier 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)
>
> Plus we are calling mdelay() in panic() anyway ...
>

Point.

	-hpa

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





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