linux-kernel - Re: [BUG] Fans keep running, first found since v2.6.38-rc7

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Date:	Thu, 10 Mar 2011 01:06:36 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Wang Lei <f3d27b@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	ACPI Devel Mailing List <linux-acpi@...r.kernel.org>
Subject: Re: [BUG] Fans keep running, first found since v2.6.38-rc7

On Thursday, March 10, 2011, Wang Lei wrote:
> "Rafael J. Wysocki" <rjw@...k.pl> writes:
> 
> > On Wednesday, March 09, 2011, Wang Lei wrote:
> >> "Rafael J. Wysocki" <rjw@...k.pl> writes:
> >> 
> >> >
> >> > There was only one commit in that area since 2.6.38-rc6, but it shouldn't
> >> > affect the functionality this way.
> >> >
> >> > Is yout thermal management controlled by ACPI?
> >> >
> >> > Rafael
> >> 
> >> Thanks for your reply!
> >> 
> >> How could I know that?
> >
> > What does "ls -l /sys/class/thermal/cooling_device0/device" say?
> >
> > Rafael
> 
> [~]$ ls -l /sys/class/thermal/cooling_device0/device
> lrwxrwxrwx 1 root root 0 Mar 10 07:13 /sys/class/thermal/cooling_device0/device -> ../../../LNXSYSTM:00/device:47/PNP0C0B:00
> [~]$

That's ACPI.

I don't know, however, which change might cause the problem to happen.

Can you bisect the commits between 2.6.38-rc6 and -rc7 to find the one that
introduced the issue?

Rafael
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