Re: can't shut down

[majie <china.majie@xxxxxxxxx>]

Zhao Yakui 写道:
> On Mon, 2008-04-21 at 12:45 +0800, majie wrote:
> > Zhao Yakui wrote:
> > > On Thu, 2008-04-17 at 14:03 +0800, majie wrote:
> > > > 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/
> > > Will you please try the latest kernel(2.6.25-rc9) and see whether the
> > > problem still exists? 
> > > Note: 
> > > a. ACPI should be enabled in kernel configuration.
> > > b. Don't use the custom DSDT
> > > c. use "poweroff" command to shutdown
> > >
> > > If the problem still exists, please attach the output of dmesg.
> > > thanks.
> > >       
> > Hi Yakui,
> > Do you receive my email I sent to you on April 19 ? I'm still unable to 
> > have the 2.6.25-rc9 kernel boot and run. I can't make a valid initrd to 
> > boot the kernel. I've spend the whole weekend to solve the problem. But 
> > I've no idea why it can mount my real root filesystem.
>
> Sorry for the no response.
> IMO the problem is related to the kernel config. For example: the SATA
> driver should be built into kernel. (If not, OS can't find the root
> filesystem).
> Please do it again as listed in the following:(Pay attention to the
> kernel configuration).
> a. make bzImage; make modules;
> b. make modules_install; make install;
Hi, Yakui

2.6.25-rc9 kernel successfully runs on my computer. But the bad news is 
that this kernel can't shut down my computer too. Can you fix this 
problem in a newer kernel? Thanks.

And my dmesg output is here.

------------
 Regards,
 	majie

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