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Date: Fri, 18 Apr 2008 21:51:48 -0400 From: Len Brown <lenb@...nel.org> To: Matthew <jackdachef@...il.com>, linux-acpi@...r.kernel.org Cc: torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org Subject: Re: Linux 2.6.25 (coretemp reads high temperatures) On Friday 18 April 2008, Matthew wrote: > Hi everyone, hi Linus, > > congratulations on this new great kernel-release :) > > I've another "regression" to report for 2.6.25: > > it's concerning much higher temperatures being read out by the > "coretemp" kernel-module in comparison to 2.6.24* series > > e.g. where temperatures were around 40-47°C they are now constantly > jumping around 55-70°C (even in idle !) > > several other users/testers have reported this issue too (both on > zen-sources [heavy patched] & latest gentoo-sources) [slightly > patched]: > > http://forums.gentoo.org/viewtopic-t-684812-highlight-.html > > if I understood git right it (also) happens in conjunction with an 3 > weeks old acpi-snapshot > (http://repo.or.cz/w/linux-2.6/zen-sources.git?a=heads) integrated in > zen-sources > > I can "reproduce" this on an Intel Core 2 Duo 6600 (Conroe) with a P5W > DH Deluxe mainboard (by Asus) since at least 2.6.25-rc8 (or possibly > also rc7) > > the temperatures on mobile core (2) duo intel processors [e.g. an > T7500] seem to be read out correctly - I can't tell it exactly but > this seems to be an entirely "cosmetical" issue > (hopefully it's not the opposite and the values are now read out > correctly since such high temps would be very worrying ;) ) > > Keep up the great work & please don't forget your growing amount of > linux-desktop users :) > > Regards > > Mat Hello Mat, I'm not familiar with "coretemp", can you point me to the exact version of the application you are running so I can see how it is getting at the underlying information? Also, do you see any change with and without kernel built with CONFIG_THERMAL=y? thanks, -Len -- 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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