Looks like the problem I was having (and many others beside)....  Here's how I 
fixed it:

1) Go into the Mandrake Control Center (MCC), under Boot choose DrakBoot
2) Click on the Lilo/Grub Configure button to bring up the Bootloader Main 
Options dialog
3) Ensure the Enable ACPI box is selected (but don't worry if it already is, 
as there's some bug that doesn't make it work!)
3a) You seem to already have ACPI installed, so the acpi and apci packages 
probably won't be required, but others may need to insert their install CD at 
this point
4) Click OK and you will get a dialog with the current list of Boot Menu 
entries
5) Select and Modify each linux type entry to bring up the Boot Parameters 
dialog
6) In the Append line, change the 'acpi=off' entry to read 'acpi=on' and click 
OK (this is the bug, selecting ACPI doesn't update this value)
7) Click OK in the Boot Menu list dialog
8) Click OK in the Bootloader Main Options dialog
9) Click OK in the DrakBoot window
10) Reboot to activate the new boot parameter (sorry about the up-time!)
11) Try a shutdown to see if it works

Note that all those OK's are required, as at some point it forces the write of 
the lilo.conf file to the Master Boot Record.  

For the more adventurous of you out there, this can be done manually by 
editing your /etc/lilo.conf, then executing /sbin/lilo afterwards.  Just 
editing lilo.conf by hand is not enough, you have to force lilo to copy your 
config to the MBR, otherwise the BIOS doesn't know about your changes and 
carries on with the old version.  This is a common error and causes much 
frustration, as does forgetting to reboot.

Hope this helps!

John.

On Fri, 20 Jun 2003 07:16, Inhabitant of Zion wrote:
> > try looking in /var/log/messages, very long script but you might find
> > what your looking for there, or else in one of the log files in
> > /var/log.
>
> It says:
>
> Jun 17 16:53:34 pc-00066 kernel: ACPI: Subsystem revision 20030122
> Jun 17 16:53:34 pc-00066 kernel: ACPI: Disabled via command line
> (acpi=off)
>
> Can I enable it again from the command line or is it not as simple as
> that?
>
> Is there anything else I need to look at?
>
> I read in one thing something about popt? Anybody know what that is and
> whether its relevant?
>
> John


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