http://bugzilla.kernel.org/show_bug.cgi?id=12304





------- Comment #34 from mprosi...@volny.cz  2009-01-06 08:40 -------
(In reply to comment #31)
> This may be related to timer. Can you please try default kernel (with no idle=
> parameters) but with "hpet=disable" boot option, with and without tickless. We
> have had some issue with HPET that shows up once in a while and is not 
> resolved
> as yet AFAIK....
> 

This was pretty fast.
"hpet=disable" with and without tickless kernel freezed in 10 minutes.

So to conclude the effect of boot parameters:

without any parameter: 
->   freeze in approx. 1h

with "acpi=off": 
->   do not freeze

with parameters like
   nolapic_timer (record-man with 40 hours)
   idle=poll
   idle=halt
   idle=processor.max_cstate=1
   idle=halt
-> freeze in approx. 10h

The times are not statistically valid because I usually try it only once - it
just shows trends. It seems that the parameters from the third group did not
solve the problem, just suppress the symptoms.


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