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

[Alexey Starikovskiy <alexey.y.starikovskiy@linux.intel.com>]

Berthold Cogel wrote:
> Alexey Starikovskiy schrieb:
>
>   
>>> Hello Alex,
>>>
>>> I still get the same diffs. Except the yenta part of course. And the
>>> system is still rebooting.
>>>
>>> Berthold
>>>   
>>>       
>> Good, yenta is cleared :) Could you replace /drivers/acpi/ec.c with the
>> version from 2.6.19.x and try again?
>>
>> Regards,
>>    Alex.
>>     
>
> Hi Alex!
>
> I did what you suggested. First I replaced ec.c in linux-2.6.20-rc2 (see
> attached dmesg-2.6.20-rc2.ec.txt) with the version from linux-2.6.19.1
> and in a second step I also replaced i2c_ec.c and i2c_ec.h
> (dmesg-2.6.20-rc2.i2c_ec.txt).
>
> In both cases the only result I can see is the absence of the 'ACPI: EC:
> evaluating' messages in the logs. The system is still rebooting instead
> of doing a clean shutdown.
>
> Regards,
> Berthold
>
>   
Excellent, ACPI printing of queries is cleared as well :)
There are two ways to debug further... git-bisect and unloading modules 
before shutdown (or not loading them)...
While second is easier and could isolate a module, the first could be 
way more productive:
http://www.kernel.org/pub/software/scm/git/docs/howto/isolate-bugs-with-bisect.txt

Thanks in advance,
    Alex.