linux-kernel - Re: AE_ERROR, ACPI thermal trip point state changed

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Date:	Thu, 15 Jan 2009 16:56:56 -0500 (EST)
From:	Len Brown <lenb@...nel.org>
To:	Németh Márton <nm127@...email.hu>
Cc:	"Zhang, Rui" <rui.zhang@...el.com>, linux-acpi@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: AE_ERROR, ACPI thermal trip point state changed

On Wed, 20 Aug 2008, Németh Márton wrote:

> Zhang, Rui wrote:
> > On Sat, 2008-03-08 at 15:41 +0800, Németh Márton wrote:
> >> Zhang, Rui wrote:
> >>> On Fri, 2008-03-07 at 14:54 +0800, Németh Márton wrote:
> >>>> Hi,
> >>>>
> >>>> I downloaded pmtools from
> >>>>
> >> http://www.kernel.org/pub/linux/kernel/people/lenb/acpi/utils/pmtools-20071116.tar.bz2 and
> >>>> compiled: it created exactly the same result what my currently
> >>>> installed acpidump Debian
> >>>> package version 20071116-1. I think it is useless to send the same
> >> log
> >>>> again.
> >>>>
> >>>> After I boot the "Please send acpidump to
> >> linux-acpi@...r.kernel.org"
> >>>> message is already
> >>>> there. So when I first get the prompt I checked for this message in
> >>>> dmesg and executed
> >>>> the given command. Here is my result:
> >>>>
> >>>> # cat /proc/acpi/thermal_zone/*/*
> >>>> 0 - Active; 1 - Passive
> >>>> <polling disabled>
> >>>> state:                   ok
> >>>> temperature:             42 C
> >>>> critical (S5):           155 C
> >>>> passive:                 84 C: tc1=2 tc2=5 tsp=0 devices=CPU0
> >>>> active[0]:               70 C: devices=
> >>>> # ls /proc/acpi/thermal_zone/*/*
> >>>> /proc/acpi/thermal_zone/THRM/cooling_mode
> >>>> /proc/acpi/thermal_zone/THRM/polling_frequency
> >>>> /proc/acpi/thermal_zone/THRM/state
> >>>> /proc/acpi/thermal_zone/THRM/temperature
> >>>> /proc/acpi/thermal_zone/THRM/trip_points
> >>>>
> >>>> Maybe this is related to
> >>>> http://bugzilla.kernel.org/show_bug.cgi?id=8544 ?
> >>>>
> >>> Hi, Németh,
> >>>
> >>> Please ignore the debug patch I sent and try this one.
> >> I created both the dmesg logs:
> >>
> >> 1. Clevo-D410J-patch-debug-thermal2.txt: the patch-debug-thermal was
> >> only
> >> applied, (and added a missing "\n").
> >>
> >> 2. Clevo-D410J-thermal-fix.txt: the thermal-fix patch was also
> >> applied.
> >> In this case the AE_ERROR message is not there any more on Clevo D410J
> >> laptop.
> >>
> > Thanks for your help in debugging this.
> > We will get the "thermal-fix" patch upstream soon.
> 
> As of 2.6.27-rc3 the patch is still not included in the mainstream. I
> hope that this patch was not forgotten completely.
> 
> 	Márton Németh

Apparently it was dropped.

should have put the patch here:
http://bugzilla.kernel.org/show_bug.cgi?id=8544

I'll do it now.

thanks,
-Len