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Thread: Ubuntu 12.10 install fails on AMD sempron pc with tri-boot: win7, win8, ubuntu 12.10

  1. #1
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    Ubuntu 12.10 install fails on AMD sempron pc with tri-boot: win7, win8, ubuntu 12.10

    My desktop has these specs:

    Motherboard: Biostar A780L3C
    AMD Sempron 145
    2 GB RAM
    160 GB HDD -- IDE Hard disk.
    Onboard Graphics.

    First I partitioned my disk with GParted into three partitions NTFS, NTFS and Ext2. Then I installed windows 7, then windows 8. Till this stage installation was ok and both OSes are running well. Then I tried to install Ubuntu 12.10. But it failed midway by displaying message that

    "Bug: Unable to handle kernel null pointer dereference at 00000004

    and system hangs. I cant do anything but to restart the system.

    How can I fix this and load Ubuntu 12.10 and tri-boot my system?

    Please help.
    Last edited by farmerjohn73; November 21st, 2012 at 12:33 PM.

  2. #2
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    Ubuntu 14.04 Trusty Tahr

    Re: Ubuntu 12.10 install fails on AMD sempron pc with tri-boot: win7, win8, ubuntu 12

    Do not know if related or not.

    Someone posted that they tried ext2 and had issues, changed to ext4 and it worked.

    Also you need more than one partition with default install, typically default is / (root) and swap. Many suggest separate /home or data partitions. Especially NTFS data partition to share Windows data as Windows does not like writes into its system partition.

    WARNING for Windows 8 Dual-Booters
    http://ubuntuforums.org/showthread.php?t=1953674
    It defaults shutdown to a hybrid hibernation/off state for fast boot
    But then files may be corrupted similar to Windows 7 Hibernation:
    http://ubuntu-with-wubi.blogspot.ca/...rid-sleep.html
    http://superuser.com/questions/14472...te-w-dual-boot
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  3. #3
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    Re: Ubuntu 12.10 install fails on AMD sempron pc with tri-boot: win7, win8, ubuntu 12

    thanks oldfred, I will try to install on ext4 and report. I am checking out your links as well.

  4. #4
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    Re: Ubuntu 12.10 install fails on AMD sempron pc with tri-boot: win7, win8, ubuntu 12

    oldfred,creating ext4 partition and installing 12.10 did not work. Is there any other workaround?

    I read somewhere that this is a kernel panic. How do I solve it?

  5. #5
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    Re: Ubuntu 12.10 install fails on AMD sempron pc with tri-boot: win7, win8, ubuntu 12

    Some computers will not boot from beyond the 137GB limit in BIOS. And we have seen some issues with grub on finding the boot files with either large / (root) partitions or those partitions beyond 100GB on drive.

    I have several smaller / partitions near the end of my 650GB drive and they all work without issue. So it is either BIOS settings or a bug in grub.
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  6. #6
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    Re: Ubuntu 12.10 install fails on AMD sempron pc with tri-boot: win7, win8, ubuntu 12

    Dear Oldfred, I appreciate your pains in helping me and I am really thankful to you. What I did yesterday was this:

    I created a swap partition with 5 GB and another unallocated partition of 1GB (for Booting) and One ext2 of 78GB with Gparted Live. I started installing 12.10 by changing boot partition to the unallocated partition. (I left it unallocated because Gparted was not allowing me to create more than 4 primary partitions. I thought the installer would handle that) but midway the installer crashed and displayed a message. I took a picture with my mobile phone. Please see the attachment.

    The message says its a kernel bug this time. and not a null pointer dereferencer bug.

    Is there a way to overcome this and install Ubuntu12.10.

    Thanks in advance..
    Attached Images Attached Images

  7. #7
    Join Date
    Oct 2010
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    Ubuntu

    Re: Ubuntu 12.10 install fails on AMD sempron pc with tri-boot: win7, win8, ubuntu 12

    Any possibility that the download of ubuntu 12.10 is corrupt, try checking it and or redo the download and start over?

    A bit old, but you get the idea...

    https://help.ubuntu.com/community/In...IntegrityCheck




    D

  8. #8
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    Re: Ubuntu 12.10 install fails on AMD sempron pc with tri-boot: win7, win8, ubuntu 12

    claven 123,

    Nice suggestion. But I downloaded the iso twice and burnt it on two DVDs. By the way, I burnt it on DVD Rewritable. Does it make any difference...?

    I am checking out the link and will verify if the disk is ok and post the result...

  9. #9
    Join Date
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    Ubuntu 14.04 Trusty Tahr

    Re: Ubuntu 12.10 install fails on AMD sempron pc with tri-boot: win7, win8, ubuntu 12

    If system is MBR, you can only have 4 primary partitions. But you can convert one primary to the extended partition which then can hold many logical partitions. Ubuntu and most Linux systems work just fine from logical partitions. Windows has to boot from a primary.

    So create an extended partition and install all the Linux partitions you want / (root), swap, /home, shared NTFS data and any additional you may may want. A few systems need the separate /boot but it should be first and inside the first 100GB of drive. Windows does not have to be 100GB, if you also have a separate NTFS shared data partition.

    https://help.ubuntu.com/community/WindowsDualBoot
    https://help.ubuntu.com/community/DiskSpace

    https://help.ubuntu.com/community/HowtoPartition
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  10. #10
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    Re: Ubuntu 12.10 install fails on AMD sempron pc with tri-boot: win7, win8, ubuntu 12

    Quote Originally Posted by oldfred View Post
    If system is MBR, you can only have 4 primary partitions. But you can convert one primary to the extended partition which then can hold many logical partitions. Ubuntu and most Linux systems work just fine from logical partitions. Windows has to boot from a primary.

    So create an extended partition and install all the Linux partitions you want / (root), swap, /home, shared NTFS data and any additional you may may want. A few systems need the separate /boot but it should be first and inside the first 100GB of drive. Windows does not have to be 100GB, if you also have a separate NTFS shared data partition.

    https://help.ubuntu.com/community/WindowsDualBoot
    https://help.ubuntu.com/community/DiskSpace

    https://help.ubuntu.com/community/HowtoPartition
    Dear Old Fred,

    Sorry for replying so late as I been busy with some domestic work....

    So Do I need to create a boot pratition at the beginning of the Disk and then install win7, wind 8 and then ubuntu? How would windown and ubuntu know that they need to boot from that partition? Sorry If I am asking a dumb question....

    I am going through all ur links and trying to learn... coz I am a dumb noob to partitioning.....


    Is it really the problem of partitioning and installing the three OSes ? Or is it the a bug in the ubuntu kernel ???

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