Messages in this thread | | | Date | Thu, 4 Sep 2008 21:20:13 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: 2.6.27-rc0 Power Bugs with HP/Compaq Laptops |
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Matt,
On Thu, 7 Aug 2008, Matt Parnell wrote: > I have had a long ongoing ordeal dealing with the problems associated > with the HP Pavilion Laptops, mine being a dv9000 series. It seems > that these either have a broken HPET table, a missing HPET table, or > some other ACPI issue, as this thing has always had many issues > regarding ACPI. First, C1E was broken until I totally disabled it with > a patch, but since .27, that code has been rewritten, and now for some > reason HPET isn't working anymore, as I have to set the > clocksource=tsc. On top of that, the tsc clocksource is unstable, and > with or without dynticks the .27 kernels on my laptop feel slower, and > laggy, as even KDE slows down whilest using it. Everything works fine > if I disable the local apic (lapic), but when I do, only one of my CPU > cores is detected and used, and the CPU frequency scaling doesn't work > either. No matter what I do with .27, it just won't work.
There is a series of related fixes to C1E/HPET in the bugzilla entry http://bugzilla.kernel.org/attachment.cgi?id=17622
Patch is available from: http://bugzilla.kernel.org/show_bug.cgi?id=11418
Can you please test that on the latest linus git ?
Thanks,
tglx
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