[CentOS] SOLVED - Shutdown/poweroff does not power off machine

Michael Klinosky mpk2 at enter.net
Mon Mar 1 23:27:51 UTC 2010

ken wrote:
>> No, I'm not the OP. But, I found a solution for my system.
>> During boot, I noticed an error line --
>> "BIOS fails cutoff age - ACPI might not work. Use acpi=force to fix."
>> So I did; the machine now actually turns off after shutdown.
> Great work, Michael!  Where did you insert/type in "acpi=force"?

In /boot/grub/grub.conf, there is a line (there may be more) that begins 
with 'kernel' - put it at the end of that line.

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