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

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Message-ID: <48ABDF1E.3010101@freemail.hu>
Date:	Wed, 20 Aug 2008 11:08:46 +0200
From:	Németh Márton <nm127@...email.hu>
To:	"Zhang, Rui" <rui.zhang@...el.com>
CC:	linux-acpi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: AE_ERROR, ACPI thermal trip point state changed

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

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