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* Len Brown <len.brown@intel.com> wrote: > So given that C3 on every known system that has shipped to date breaks > the LAPIC timer (and apparently this applies to C2 on these AMD > boxes), dynticks needs a solid story for co-existing with C3. check out 2.6.19-rc4-mm2: it detects this breakage and works it around by using the PIT as a clock-events source. That did the trick on my laptop which has this problem too. I agree with you that degrading the powersaving mode is not an option. we've got a question about HPET: it seems all recent hardware has it, but the BIOS rarely mentions it, so the Linux driver does not enable HPET. Is there any chance to enable HPET (in the chipset?) - this would probably be a higher-quality clock-events source than the PIT. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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