Re: high CPU temperature with 2.6.32

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On Wed, 6 Jan 2010, Marti Raudsepp wrote:

On Wed, Jan 6, 2010 at 3:23 PM, Dimitrios Apostolou <jimis@xxxxxxx> wrote:
Timer Stats Version: v0.2
Sample period: 0.000 s
0 total events

Huh? Something's broken with your /proc/timer_stats. Either that, or
some application is polling the file at an insane rate. Were you
running powertop in the background at this time?

No I wasn't running anything in the background, really stange indeed...


Nothing suspicious in your /proc/interrupts -- I assume the
'processor' module was still loaded at the time you took these
samples?

right


I have already compiled a minimal 2.6.31 and a 2.6.32 kernel and the problem
seems to be a regression introduced in the former. So I'm trying to find
time for a git bisection... Any other ideas?

You can contact people responsible for the 'processor' module. Linux
get_maintainer.pl lists these emails for
drivers/acpi/processor_core.c:

Len Brown <lenb@xxxxxxxxxx>
Bjorn Helgaas <bjorn.helgaas@xxxxxx>
Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Yinghai Lu <yinghai@xxxxxxxxxx>
Alex Chiang <achiang@xxxxxx>
linux-acpi@xxxxxxxxxxxxxxx
linux-kernel@xxxxxxxxxxxxxxx

(Yeah, feel free to send an email to all recipients, that's how people
usually communicate on LKML)

Thanks for the tips, they are very useful!


Dimitris



Marti



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