Messages in this thread | | | Date | Tue, 30 Mar 2004 11:30:25 +0200 | From | "Prakash K. Cheemplavam" <> | Subject | Re: idle Athlon with IOAPIC is 10C warmer since 2.6.3-bk1 |
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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. :)
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