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My Linux box does not shutdown i do when i do /sbin/shutdown -h now

hi guys,

i tend to be having a little probelm with my new Pentuim D. When ever i shutdown with this command (shutdown -h now), my system does not shutdown as in i mean power off. Any idea why?

Thanks

Quote:

Originally Posted by yawe_frek (Post 2889460)

$su -

#poweroff

hi,

su - what is this suppose to do. i am already root.

Thanks

Quote:

Originally Posted by yawe_frek (Post 2889471)

hi,

su - what is this suppose to do. i am already root.

Thanks

-, -l, --login
make the shell a login shell

As long as you're already root, "poweroff" command shall do the trick :)

Cheers

thanks SlackerLX,

i will try poweroff and get back.

Thanks

I had the same problem.
I used an own compiled SMP kernel (it's a dual core machine) with APM and ACPI support.
When looking at the startup log (run dmesg) I could see that when ACPI is started, it disables APM. Further on APM poweroff is disabled for multicore CPU-s anyhow, as it is considered not SMP-safe. (I don't know why.)

The solution was that I disabled ACPI and enabled APM power off even for SMP. I think the kernel boot parameters for that were acpi=off apm=smp.

But then shutdown -h worked :)

I used the 2.6.20 kernel.

The list of kernel parameters can be found in the file Documentation/kernel-parameters.txt. Search for acpi and apm. The latter will redirect you to arch/i386/kernel/apm.c where you can see this:

Code:

/*

 * See Documentation/Config.help for the configuration options.

 *

 * Various options can be changed at boot time as follows:

 * (We allow underscores for compatibility with the modules code)

 *        apm=on/off                        enable/disable APM

 *            [no-]allow[-_]ints                allow interrupts during BIOS calls

 *            [no-]broken[-_]psr                BIOS has a broken GetPowerStatus call

 *            [no-]realmode[-_]power[-_]off        switch to real mode before

 *                                                    powering off

 *            [no-]debug                        log some debugging messages

 *            [no-]power[-_]off                power off on shutdown

 *            [no-]smp                        Use apm even on an SMP box

 *            bounce[-_]interval=<n>        number of ticks to ignore suspend

 *                                            bounces

 *          idle[-_]threshold=<n>      System idle percentage above which to

 *                                      make APM BIOS idle calls. Set it to

 *                                      100 to disable.

 *          idle[-_]period=<n>          Period (in 1/100s of a second) over

 *                                      which the idle percentage is

 *                                      calculated.

 */

PS. I'm pretty sure that you can find a more sophisticated solution than disabling the whole ACPI.

Try passing the "-p" option to the shutdown command. That (if supported) will power off the system.