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From: "Prakash K. Cheemplavam" <PrakashKC@gmx.de>
To: ross@datscreative.com.au
Cc: Len Brown <len.brown@intel.com>,
	Thomas Schlichter <thomas.schlichter@web.de>,
	linux-kernel@vger.kernel.org
Subject: Re: idle Athlon with IOAPIC is 10C warmer since 2.6.3-bk1
Date: Tue, 30 Mar 2004 11:30:25 +0200	[thread overview]
Message-ID: <40693E31.9020308@gmx.de> (raw)
In-Reply-To: <200403301057.37177.ross@datscreative.com.au>

Ross Dickson wrote:
> On Tuesday 30 March 2004 05:59, Prakash K. Cheemplavam wrote:
> 
>>Prakash K. Cheemplavam wrote:
>>
>>>Ross Dickson wrote:
>>>
>>>
>>>>On Saturday 20 March 2004 19:29, Prakash K. Cheemplavam wrote:
>>>>
>>>>
>>>>>Len Brown wrote:
>>>>>
>>>>>
>>>>>>On Fri, 2004-03-19 at 14:22, Prakash K. Cheemplavam wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>>Hmm, I just did a cat /proc/acpi/processor/CPU0/power:
>>>>>>>active state:            C1
>>>>>>>default state:           C1
>>>>>>>bus master activity:     00000000
>>>>>>>states:
>>>>>>>  *C1:                  promotion[--] demotion[--] latency[000] 
>>>>>>>usage[00000000]
>>>>>>>   C2:                  <not supported>
>>>>>>>   C3:                  <not supported>
>>>>>>>
>>>>>>>I am currently NOT using APIC mode (nforce2, as well) and using 
>>>>>>>vanilla 2.6.4. It seems C1 halt state isn't used, which exlains why 
>>>>>>>I am having 
>>>>>
>>>>>
>>>>>[snip]
>>>>>
>>>>>
>>>>>>Actually I think it is that we don't _count_ C1 usage.
>>>>>
>>>>>
>>>>>Hmm, OK, then I am really puzzled what specifically about mm sources 
>>>>>make my idle temps hotter, as I still couldn't properly resolve it 
>>>>>what is causing it. I thought ACPI, but no, using APM only does the 
>>>>>same (apm only with vanilla is low temp though.)
>>>>
>>>>
>>>>
>>>>Have you seen this thread, it may be relevant?
>>>>Re: [2.6.4-rc2] bogus semicolon behind if()
>>>>http://linux.derkeiler.com/Mailing-Lists/Kernel/2004-03/4170.html
>>>
>>>
>>So, I seem to have found the bugger causing higher temps: It is NVidia 
>>binary driver, or rather its AGP part of the 53.36 driver. Using AGPGART 
>>and Nvidia driver leaves my system cool. Using NVAGP it seems as though 
>>C1 state isn't actually used anymore thus making the CPU hotter.
> 
> 
> Hmmm.
> Would you happen to have a copy of athcool handy - it would be interesting to
> see the northbridge disconnect bit status - if its been turned off by their driver?

That is the funny thing: Athcool reports it is on. So something from 
their AGP code seems to prevent the CPU going "full idle", I guess. 
Well, now I am using 53.41 driver with agpgart and everything finally 
seems to be stable, cool and nice. :)

Prakash

  reply	other threads:[~2004-03-30  9:30 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-18  0:19 idle Athlon with IOAPIC is 10C warmer since 2.6.3-bk1 Ross Dickson
2004-03-18  1:02 ` Craig Bradney
2004-03-18 11:41 ` Bernd Schubert
2004-03-18 11:55   ` Ross Dickson
2004-03-19 18:55 ` Thomas Schlichter
2004-03-19 19:22   ` Prakash K. Cheemplavam
2004-03-19 23:20     ` Len Brown
2004-03-20  9:29       ` Prakash K. Cheemplavam
2004-03-20 10:19         ` Ross Dickson
2004-03-20 10:25           ` Prakash K. Cheemplavam
2004-03-20 10:50             ` Ross Dickson
2004-03-29 19:59             ` Prakash K. Cheemplavam
2004-03-30  0:57               ` Ross Dickson
2004-03-30  9:30                 ` Prakash K. Cheemplavam [this message]
2004-03-20 13:07       ` Daniel Egger
  -- strict thread matches above, loose matches on Subject: below --
2004-03-17 21:26 Thomas Schlichter
     [not found] <A6974D8E5F98D511BB910002A50A6647615F571D@hdsmsx402.hd.intel.com>
2004-03-17 15:53 ` Len Brown
     [not found] <200403032119.58817.thomas.schlichter@web.de>
2004-03-17 15:29 ` Maciej W. Rozycki
2004-03-04 12:47 Thomas Schlichter

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