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Thread: Hardy online upgrade renders system unbootable

  1. #1
    Join Date
    Apr 2008
    Beans
    6

    Angry Hardy online upgrade renders system unbootable

    My parents have a preinstall Dell Ubuntu system. Today they decided to do the Gutsy -> Hardy upgrade. It seems to have rendered their system unbootable.

    On bootup, the usual grug loading stage 2 appears followed by the Ubuntu startup screen (with logo).

    However the progress bar bounces back and forth, instead of proceeding from the left to the right. Shortly afterwards the error:
    Code:
    ata2.00: exception Emask 0x0 SAct 0x0 action 0x2 frozen
    ata2.00: cmd a0/00:00:00:24:00/00:00:00:00/a0 tag 0 pio 36 in
    ata2.00: status [ DRDY ]
    I have my parents trained to use
    Alt+SysRq+R
    to reboot the system when these things happen. From what they tell me *sometimes* it works if you do that.

    Assistance would be very much appreciated, please!
    Attached Images Attached Images

  2. #2

    Re: Hardy online upgrade renders system unbootable

    Looks a lot like this bug report:
    https://bugs.launchpad.net/ubuntu/+b...81/comments/25

    I guess it's tricky to blacklist any drivers if you can't get into the system though. There's a chance you could attempt such a thing from a rescue-cd. You might want really to wait for a more expert opinion though!!

  3. #3

    Re: Hardy online upgrade renders system unbootable

    Accidentally ran into someone on a Dutch forum mentioning a "pci=nomsi" boot option because the update to hardy had broken his sata-controller driver. Had to think of your case... worth trying?
    See also http://www.ubuntu1501.com/2007/01/in...dell-1501.html which seems mostly unrelated but mentions this boot parameter.

    And in case you're wondering what that does: http://lwn.net/Articles/44139/
    Last edited by Patsoe; April 25th, 2008 at 01:31 AM.

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