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Date: Sat, 09 Jan 2010 21:09:47 -0600 From: Robert Hancock <hancockrwd@...il.com> To: Ray Lee <ray-lk@...rabbit.org> CC: Arjan van de Ven <arjan@...radead.org>, Dimitrios Apostolou <jimis@....net>, Alex Chiang <achiang@...com>, Len Brown <lenb@...nel.org>, Bjorn Helgaas <bjorn.helgaas@...com>, Andrew Morton <akpm@...ux-foundation.org>, Yinghai Lu <yinghai@...nel.org>, linux-kernel@...r.kernel.org Subject: Re: High cpu temperature with 2.6.32, bisection shows commit 69d258 (fwd) On 01/09/2010 08:07 PM, Ray Lee wrote: > On Sat, Jan 9, 2010 at 4:42 PM, Arjan van de Ven<arjan@...radead.org> wrote: >> basically it appears that your machine, when the kernel asks for C2, >> exits C2 immediately again. >> >> The old algorithm somehow caught this and stopped asking for C2 most of >> the time; the new algorithm doesn't see any activity and asks for C2 >> again. > > This change of behavior will certainly bite more users out there. Is > there any way we can detect the systems that aren't honoring the C2 > request and limit back to C1? That seems like it would be a better approach, rather than adding to a DMI list which is almost certainly incomplete.. We've got too many DMI special cases in the kernel already. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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