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Old 10-26-2007, 10:04 AM   #1
hammanu
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Registered: Jan 2007
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How to make "acpi=off" a permanent boot option...


Ok I was able to get my install of FC7 64 working fine, but when i boot i have too edit the boot options and type "acpi=off". Is there a way to set that option permanently?

As a heads up I would consider myself a complete newbie in the realm of linux. So detailed instructions are a big plus. I'm only confident enough to install at this point. Thank you in advance.
 
Old 10-26-2007, 10:31 AM   #2
colucix
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You may add the boot option to the configuration file of the boot loader. Assuming you're using Grub, the default boot loader, you have to edit the file /boot/grub/menu.lst. Be careful in doing this: first make a backup of the existing menu.lst somewhere, e.g. as root
Code:
cp -p /boot/grub/menu.lst /root/menu.lst.backup
then you can edit the file /boot/grub/menu.lst adding acpi=off to the kernel line. For example (I will show this just for example purposes, please don't copy anything from the following)
Code:
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Fedora Core (2.6.20-1.2962.fc6)
        root (hd0,0)
        kernel /vmlinuz-2.6.20-1.2962.fc6 ro root=LABEL=/ rhgb quiet
        initrd /initrd-2.6.20-1.2962.fc6.img
title Fedora Core (2.6.20-1.2948.fc6)
        root (hd0,0)
        kernel /vmlinuz-2.6.20-1.2948.fc6 ro root=LABEL=/ rhgb quiet
        initrd /initrd-2.6.20-1.2948.fc6.img
You will have something similar to the above example. You can simply add acpi=off at the end of the lines in red. Indeed these lines instruct the boot loader about the kernel to load and the options to pass at boot time. I do not mean to frighten you with my warnings, but since you've told you're new on linux, when you manage something about the boot process the prudence is never too much!

Last edited by colucix; 10-26-2007 at 10:33 AM.
 
Old 10-26-2007, 03:52 PM   #3
hammanu
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It worked thank you.
 
  


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