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#1 2004-11-06 18:20:19

TobyR
Member
From: Cambridge, UK
Registered: 2004-08-14
Posts: 25

PC not powering down

When I run 'shutdown -h now' my PC (PII 166Mhz) will shutdown but not power off.  I've tried out several Linux distros on this box, including RedHat and Slackware, and Arch linux is the only distro which doesn't power off.  With Slackware I had to run 'modprobe apm' but that module doesn't appear to be available for Arch (even after I added package 'apm').  Am I missing something basic here?  Should 'shutdown -h now' power off the PC?  In case it is of importance, GRUB config is as below:-

timeout   5
default   0
color light-blue/black light-cyan/blue

title  Arch Linux  [/boot/vmlinuz26]
root   (hd0,2)
kernel (hd0,0)/vmlinuz26 root=/dev/discs/disc0/part3 ro


---------------------------
Arch Linux 0.6
Pentium II 266MHz
160MB SDRAM

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#2 2004-11-06 19:14:26

dp
Member
From: Zürich, Switzerland
Registered: 2003-05-27
Posts: 3,363
Website

Re: PC not powering down

the 2.6. kernels are build with only-ACPI support that takes over all power-control of the computer

-> try disabling acpi in grub/lilo
-> if this don't work, you need to recompile the kernel with apm instead of acpi


The impossible missions are the only ones which succeed.

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#3 2004-11-06 22:53:59

Drago
Member
From: Canada
Registered: 2004-01-03
Posts: 12

Re: PC not powering down

you can try adding acpi-force to the append line in lilo.

append="acpi-force"

You might need to recompile your kernel with only apm support since your computer is older and may not have acpi compliant bios.

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#4 2004-11-07 20:41:02

TobyR
Member
From: Cambridge, UK
Registered: 2004-08-14
Posts: 25

Re: PC not powering down

As suggested I re-compiled the kernel with only APM support (including APM realmode-power-off), but with no effect - the PC still halts but does not power off.  Should there now be a different parameter in GRUB?  I tried 'modprobe apm' (which is what worked for Slackware) but I just got 'module does not exist'.


---------------------------
Arch Linux 0.6
Pentium II 266MHz
160MB SDRAM

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#5 2004-11-07 20:50:39

Stanislav
Member
Registered: 2004-10-16
Posts: 82

Re: PC not powering down

since you recompiled your kernel, APM is built in. maybe you can try adding apm=power-off to append in GRUB.  i have no clue if that will help, but you try to install apmd too.

good luck


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#6 2004-11-07 23:35:49

TobyR
Member
From: Cambridge, UK
Registered: 2004-08-14
Posts: 25

Re: PC not powering down

apm=power-off solved the problem!  Many thanks to you all for your advice and help.


---------------------------
Arch Linux 0.6
Pentium II 266MHz
160MB SDRAM

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