From: Ross Dickson <ross@datscreative.com.au>
To: "Prakash K. Cheemplavam" <PrakashKC@gmx.de>
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 10:57:37 +1000 [thread overview]
Message-ID: <200403301057.37177.ross@datscreative.com.au> (raw)
In-Reply-To: <4068803B.5010208@gmx.de>
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?
>
> Tested with (and without) ACPI and APIC (and Ross' tack patch).
> Currently running in PIC mode (with ACPI) and idle temp of 44°C (instead
> of about 50°C...). But it was as cool in APIC mode.
>
> Of course I have to test few more days, but at least currently I am
> happy again. :-)
>
> Prakash
>
>
>
next prev parent reply other threads:[~2004-03-30 0:55 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 [this message]
2004-03-30 9:30 ` Prakash K. Cheemplavam
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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