[Asterisk-Users] Interrupt latency problems

[Alessandro Ren]

    Have any of you tried to disable ACPI on the kernel?

Rich Adamson wrote:

>>On Wed, 2004-12-01 at 13:03 -0700, Michael Welter wrote:
>>    
>>
>>>Steven Critchfield wrote:
>>>      
>>>
>>>>On Wed, 2004-12-01 at 13:36 -0600, Rich Adamson wrote:
>>>>
>>>>
>>>>        
>>>>
>>>>>So, isn't the issue he/I are chasing after essentially 'why is cpu consumption
>>>>>jumping 30% (or 100%) every ten seconds when zaptel is running with
>>>>>no calls present?
>>>>>          
>>>>>
>>>>So where is that CPU time going? Is it in the system, or userspace? Have
>>>>you tried changing to a non FC or RH kernel as suggested earlier?
>>>>        
>>>>
>>>Yes, I've just completed the installation of 2.6.9, and the spikes have 
>>>gone away.
>>>
>>>Thank you, Steven.
>>>      
>>>
>>Your welcome. 
>>
>>I am glad it solved the problem. Now if only someone knew what it was
>>about the stock RH or FC kernel that makes it happen you could get RH or
>>FC to stop using that patch. That or maybe more people will be like me
>>and always cast a weary eye upon a prepackaged kernel no matter what
>>distro it came from.
>>    
>>
>
>Looking at the Changlog for 2.6.9, it would appear a fair amount of
>work has been down in the pci stuff and the interrupt support areas.
>Since that seems to be an issue that keeps rearing its head with the
>digium analog cards, maybe there is something 'fixed' in that area.
>
>Not being a strong linux admin, how difficult would you say installing
>2.6.9 is on top of a RHv9 system (2.4.20-31.9) should be for me?
>
>Any suggestions/hints on how to do it would be appreciated.
>
>Rich
>
>
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