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Thread: Using power saving ( hibernate mode )

  1. #1

    Default Using power saving ( hibernate mode )

    Hi there!
    I don't use a laptop, but a desktop machine, nevertheless I want to use ACPI power saving, precisely hibernation. I use openSUSE 11.1, acpid is running. I have the following GRUB confiuration:

    kernel /boot/vmlinuz-2.6.27.7-9-pae-athlon root=/dev/disk/by-id/ata-ST3160023A_5JS0V55G-part1 resume=/dev/disk/by-id/ata-ST3160023A_5JS0V55G-part5

    Does the resume option mean, the swap partition is used for hibernation? The names partition above is normally my swap partition...

    In KDE 4.1 I have a button "hibernate", but I don't dare to press it, how do I wake up the machine if it works?

    Hibernation is ACPI state S4, right? cat /sys/power/state says: standby disk
    So Hibernation is supported?

    Thanx for any enlightenment!

  2. #2

    Default Re: Using power saving ( hibernate mode )

    Yes, swap partition is used to save memory when suspending to disk.
    That's why your swap should be at least as big as your memory.
    After suspend to disk the pc is powered off so to wake it up you just need to power it on.
    It is abhorrent the spiritual greed of those that knowing something, do not seek the transfer of such knowledge.

    Miguel de Unamuno - Writer (1864-1936)

  3. #3

    Default Re: Using power saving ( hibernate mode )

    Quote Originally Posted by JopSway View Post
    Yes, swap partition is used to save memory when suspending to disk.
    That's why your swap should be at least as big as your memory.
    After suspend to disk the pc is powered off so to wake it up you just need to power it on.
    Thanx for the hint, since I have 2GB RAM and my swap is only 1 GB I need to expand swap. I only hope, hibernate will work well with my machine

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