linux-kernel - Re: Regression in kernel linux-2.6.20-rc1/2: Problems with poweroff

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Date:	Thu, 04 Jan 2007 22:07:37 +0300
From:	Alexey Starikovskiy <alexey.y.starikovskiy@...ux.intel.com>
To:	Berthold Cogel <cogel@....uni-koeln.de>
CC:	Adrian Bunk <bunk@...sta.de>, linux-kernel@...r.kernel.org
Subject: Re: Regression in kernel linux-2.6.20-rc1/2: Problems with poweroff

Berthold Cogel wrote:
> Adrian Bunk schrieb:
>   
>> On Tue, Dec 26, 2006 at 01:15:38AM +0100, Berthold Cogel wrote:
>>
>>     
>>> Hello!
>>>       
>> Hi Berthold!
>>
>>     
>>> 'shutdown -h now' doesn't work for my system (Acer Extensa 3002 WLMi)
>>> with linux-2.6.20-rc kernels. The system reboots instead.
>>> I've checked linux-2.6.19.1 with an almost identical .config file
>>> (differences because of new or changed options). For pre 2.6.20 kernels
>>> shutdown works for my computer.
>>> ...
>>>       
>> Thanks for your report.
>>
>> Please send:
>> - the .config for 2.6.20-rc2
>> - the output of "dmesg -s 1000000" with 2.6.20-rc2
>> - the output of "dmesg -s 1000000" with 2.6.19
>>
>>     
>>> Regards,
>>>
>>> Berthold Cogel
>>>       
>> cu
>> Adrian
>>
>>     
>
> Hello Adrian,
>
> I've attached the informations you requested.
>
> In additon to the poweroff problem I see a lot of messages with
> linux-2.6.20-rc2 that I do not see with linux-2.6.20-rc1:
>
> kernel: ACPI: EC: evaluating _Q80
> kernel: ACPI: EC: evaluating _Q81
> kernel: ACPI: EC: evaluating _Q09
> kernel: ACPI: EC: evaluating _Q20
>
> I'm running Debian testing/unstable with 'homemade' kernels. The laptop
> is one of those using the Smart Battery System.
>
>
> Berthold
>   
Well, I see a lot of differences not related to ACPI...
20c3
Processor caps differ...
< CPU: After all inits, caps: afe9f9bf 00000000 00000000 00000040 
00000180 00000000 00000000
---
 > CPU: After all inits, caps: afe9f9bf 00000000 00000000 00002040 
00000180 00000000 00000000

Prefetch for PCMCIA differ
68,69c52,53
<   PREFETCH window: 50000000-51ffffff
<   MEM window: 54000000-55ffffff
---
 >   PREFETCH window: 50000000-53ffffff
 >   MEM window: 58000000-5bffffff
73c57
<   PREFETCH window: 50000000-52ffffff
---
 >   PREFETCH window: 50000000-55ffffff

This one is new as well...
168a156
 > Yenta: Raising subordinate bus# of parent bus (#02) from #02 to #06

Berthold,
Could you please check if disabling PCMCIA changes situation?

Regards,
    Alex.



View attachment "dmesg.diff" of type "text/x-patch" (6116 bytes)