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Thread: System doesn't resume from hibernate instead boot normally

  1. #1
    Just burned his ISO
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    Jul 2012
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    Default System doesn't resume from hibernate instead boot normally

    Hi,
    Initially hibernate/resume was working fine. But now system hibernate but doesn't resume, instead it boot-up normally. I had checked SWAP is mounted on /dev/sda2

    I have tried hibernate from [menu] -> Leave -> Save to disk
    There is no problem in hibernate process, but resume fails.

    I have also installed uswsusp package and tried to hibernate through command "s2disk", again it hibernate properly but fail to resume.

    Is there any thing to check?

  2. #2
    Member stepking2's Avatar
    Join Date
    May 2012
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    Default Re: System doesn't resume from hibernate instead boot normally

    I've heard that Ubuntu have had some problems with hibernate, but how big is your swap partition?

  3. #3
    Just burned his ISO
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    Default Re: System doesn't resume from hibernate instead boot normally

    Swap is of 5 GB. As system has 4 GB RAM

  4. #4
    Just burned his ISO
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    Default Re: System doesn't resume from hibernate instead boot normally

    No one here to help he

    Anyways, after googling a lot and with some trial and error i found one solution
    I have to edit grub configuration and there resume device

    1. Open /boot/grub/grub.cfg in nano

    2. find following line
    /boot/vmlinuz-3.2.6 root=UUID=<your disk uuid> ro text splash vga=791

    There will be some hex characters in place of <your disk uuid>

    3. Insert resume=/dev/disk/by-uuid/<your swap disk UUID> before the 'ro text splash vga=' . It should look lite this

    /boot/vmlinuz-3.2.6 root=UUID=<your disk uuid> resume=/dev/disk/by-uuid/<your swap disk UUID goes here> ro text splash vga=791

    Do not forget to replace <your swap disk UUID goes here> with actual UUID of your swap disk.
    Save and exit. Now hibernate your system and boot again, it should start resuming from hibernate.

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