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Thread: Boot Problem

  1. #11
    Join Date
    Apr 2009
    Location
    UK
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    109

    Re: Boot Problem

    I googled "ACPI error in Linux" and found this, from here:
    http://www-uxsup.csx.cam.ac.uk/pub/d...pmanage.probs:

    16.3.4. Troubleshooting

    There are two different types of problems. On one hand, the ACPI code of the kernel may contain bugs that were not detected in time. In this case, a solution will be made available for download. More often, however, the problems are caused by the BIOS. Sometimes, deviations from the ACPI specification are purposely integrated in the BIOS to circumvent errors in the ACPI implementation in other widespread operating systems. Hardware components that have serious errors in the ACPI implementation are recorded in a blacklist that prevents the Linux kernel from using ACPI for these components.

    The first thing to do when problems are encountered is to update the BIOS. If the computer does not boot at all, one of the following boot parameters may be helpful:

    pci=noacpi
    Do not use ACPI for configuring the PCI devices.

    acpi=oldboot
    Only perform a simple resource configuration. Do not use ACPI for other purposes.

    acpi=off
    Disable ACPI.

    [Warning] Problems Booting without ACPI

    Some newer machines (especially SMP systems and AMD64 systems) need ACPI for configuring the hardware correctly. On these machines, disabling ACPI can cause problems.


    Do you think it's worth a try?

  2. #12
    Join Date
    Apr 2009
    Location
    UK
    Beans
    109

    Re: Boot Problem

    I found this on the Linux Mint forums and I'm tempted to try, but I'd value your opinion before I do.

    http://forums.linuxmint.com/viewtopi...t=acpi#p640433

  3. #13
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    19,412
    Distro
    Ubuntu Development Release

    Re: Boot Problem

    I am not sure. My specialty is wireless and networking. Here is additional information: https://wiki.ubuntu.com/DebuggingACPI

    All I can say is that there is no evidence I've seen that suggests the freeze is caused by or related to wireless.

    You might ask over in General Help: http://ubuntuforums.org/forumdisplay.php?f=331

    Since we've already done some troubleshooting, you should certainly refer back to this thread. Sorry I can't be of more help.
    Chili's Folly: Intel NUC, i3-4010U, 120 GB SSD, 16 GB RAM, external 500 GB HDD, Ubuntu Saucy; small, silent and fast.

  4. #14
    Join Date
    Mar 2010
    Location
    India
    Beans
    6,573
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Boot Problem

    norm.h,
    Quite hesitatingly, I wish to share something I noticed-

    In your attachment, I see a few "remount" attempts for sda1. (notice the dmesg log at times 1.773503, 1.773546 and 84.492881) This indicates a possible problem on the filesystem. Although this may be a result of, rather than the cause of, your problem. But just to make sure, do this -

    • boot your live cd, and run 'fsck' on the sda1 (if it is named otherwise in the live session, change it accordingly). Commandline method - sudo fsck /dev/sda1 (make sure the partition is unmounted before you do this).
    • Or, you can run Gparted from the live cd, and Right-click > "Check" the EXT4 partition for errors and fix them.

    Then reboot normally and see if the boot problem persists. Moreover, if the same "remount" messages still occur in dmesg.


    If this doesn't solve your problem, you should start a new thread in "General Help" section as chili555 suggested. Post a reference link in that thread to this one, and also mention the 'fsck' thing you performed on sda1.


    Hope you get it sorted.


    PS :
    To learn about the acpi + other boot options you are interested in -
    https://help.ubuntu.com/community/BootOptions (scroll down to "Common kernel boot options")


    http://ubuntuforums.org/showthread.php?t=1613132
    (read the first post)
    Varun
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  5. #15
    Join Date
    Apr 2009
    Location
    UK
    Beans
    109

    Re: Boot Problem

    @varunendra & chili555

    Many thanks for your help and interest.
    I shall do as you suggest.
    N

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