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; > So I can't test the 2.6.25-rc9 kernel in normal mode. I want to shutdown > the computer using busybox's poweroff in the initrd before the real root > filesystem being mounted. Is this approach equal to the "normal" shutdown? > Sorry for causing the trouble to you. > Thank you. > > ------- > Regards, > majie > > > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
