Re: can't shut down

[majie <china.majie@gmail.com>]

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Zhao Yakui wrote:
> On Tue, 2008-04-15 at 22:09 +0800, majie wrote:
>> Hi all,
>>
>> I'm using Linux kernel 2.6.21.5-smp(Slackware 12). I experience an
>> error when I turn off my computer. It doesn't turn off itself (maybe
>> called going into G2/S5 Soft Off in the specification) after printing
>> a message "acpi_power_off called". I have to press the power button
>> for several seconds to turn it off. I think the CPUs may be running in
>> full speed because I hear my fan running in high speed.
>>
>> I tried to find out the problem by adding some printk()'s to the
>> function acpi_enter_sleep_state()(in
>> linux-2.6.21.5\drivers\acpi\hardware\hwsleep.c). And It shows that it
>> runs into the final do-while loop in the function and doing an
>> infinite loop. Maybe this is why my CPUs are running in full speed.
>>
>> I don't have the ability to debug the kernel. So this is the only
>> information I can provide about the code. If you want me to post my
>> hardware spec or anything else, I'm very glad to, but please tell me
>> which command and arguments should I use to get the info.
>>
>> I have tried the kernel options, but they don't work for me. My laptop
>> can shut down flawlessly when using windows xp.
>>
>> By the way, It's a linux distribution independent problem because I
>> also experienced it in kubuntu 7.10.
> Will you please attach the output of acpidump?
> The latest dump tool (20070116) can be found in 
> http://www.kernel.org/pub/linux/kernel/people/lenb/acpi/utils/
> 
> Thanks.
>     Yakui


Here it is.

Thanks.

------
Regards,
	majie

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