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Thread: Ubuntu shuts down, but does not power off

  1. #1
    Join Date
    Jan 2009
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    Bornem, Belgium
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    10
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    Ubuntu 9.04 Jaunty Jackalope

    Ubuntu shuts down, but does not power off

    I have an HP DV7 1140eb and have installed Ubuntu 9.04 32-bit (Jaunty)
    When I try to shut down, I'm logged off but the my laptop does not power off. When i remove "splash" and "quiet" from the menu.list grub menu, I can see that it blocks on shutting down CPU0.

    I have a workaround by powering off my computer via the shell with "sudo poweroff"

  2. #2
    Join Date
    Apr 2005
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    Ubuntu 9.04 Jaunty Jackalope

    Re: Ubuntu shuts down, but does not power off

    is acpi turned on?

  3. #3
    Join Date
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    Bornem, Belgium
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    Ubuntu 9.04 Jaunty Jackalope

    Re: Ubuntu shuts down, but does not power off

    acpi is turned off, should it be turned on?

    i'm not at my laptop now, but i'll post my menu.lst tonight

  4. #4
    Join Date
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    Ubuntu 9.04 Jaunty Jackalope

    Re: Ubuntu shuts down, but does not power off

    yup, it should be turned on. Acpi sends a signal to the motherboard to shut off the computer completely.

    Try to change menu.lst to inlude acpi=on or acpi=ht (most of the acpi services disabled)

  5. #5
    Join Date
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    Ubuntu 9.04 Jaunty Jackalope

    Re: Ubuntu shuts down, but does not power off

    computer halts with:

    CPU1 attaching NULL sched-domain.
    CPU0 attaching NULL sched-domain.

    but doesn't power off
    Last edited by pixies7; April 27th, 2009 at 07:23 PM. Reason: missing info

  6. #6
    Join Date
    Jan 2009
    Location
    Bornem, Belgium
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    10
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: Ubuntu shuts down, but does not power off

    After rebooting the issue is solved, but I have to use the gnome panel Name > Shut Down to make it work. When I close the lid of my laptop, it remains in power on state.

  7. #7
    Join Date
    Jan 2009
    Location
    Bornem, Belgium
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    10
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: Ubuntu shuts down, but does not power off

    Apparently I have to wait a couple of seconds before confirming the shutdown. I have to let the timer countdown for a couple of seconds.

    I tried to disable the timer, but then the problem reoccurred. But now it works fine after waiting a couple of seconds.

    Thanks for the help antikristian

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