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Thread: kernel panic with 2.6.32.-26

  1. #1
    Join Date
    Mar 2010
    Beans
    6

    kernel panic with 2.6.32.-26

    I guess I had a background update from Linux 2.6.32-25 to Linux 2.6.32.26 yesterday. Now when I boot, GRUB lists three versions of linux (-24, -25, and -26) and vista. If I choose the new version of linux (2.6.32-26) from yesterday, I get: kernel panic - not syncing - VFS: unable to mount root fs on unknown block (0,0). Luckily the -25 version still boots without problem.

    After a small heart attack and googling, I looked at my grub.cnf file:

    menuentry 'Ubuntu, with Linux 2.6.32-26-generic' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    insmod ext2
    set root='(hd1,1)'
    search --no-floppy --fs-uuid --set edded2ae-5b29-44a3-8013-e8d9823f97be
    linux /boot/vmlinuz-2.6.32-26-generic root=/dev/sdb1 ro quiet splash
    }

    menuentry 'Ubuntu, with Linux 2.6.32-25-generic' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    insmod ext2
    set root='(hd1,1)'
    search --no-floppy --fs-uuid --set edded2ae-5b29-44a3-8013-e8d9823f97be
    linux /boot/vmlinuz-2.6.32-25-generic root=UUID=edded2ae-5b29-44a3-8013-e8d9823f97be ro quiet splash
    initrd /boot/initrd.img-2.6.32-25-generic
    }
    The new kernel calls out the root differently and it doesn't have the initrd line, as the other two versions of linux do. I changed the -26 line to match the -25 line:

    menuentry 'Ubuntu, with Linux 2.6.32-26-generic' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    insmod ext2
    set root='(hd1,1)'
    search --no-floppy --fs-uuid --set edded2ae-5b29-44a3-8013-e8d9823f97be
    linux /boot/vmlinuz-2.6.32-26-generic root=UUID=edded2ae-5b29-44a3-8013-e8d9823f97be ro quiet splash
    initrd /boot/initrd.img-2.6.32-26-generic
    }
    BUT, I still get the kernel panic error.

    Any suggestions as how to upgrade to the -26 version?

    FYI: HP DV9500 laptop with 10.04 AMD64

  2. #2
    Join Date
    Mar 2010
    Beans
    6

    Re: kernel panic with 2.6.32.-26

    Wrong forum?
    Wrong question?
    Non-problem?
    There is no answer?

  3. #3
    Join Date
    Aug 2009
    Location
    East Coast of Florida
    Beans
    Hidden!

    Re: kernel panic with 2.6.32.-26

    Remove it with this:
    Code:
    sudo apt-get purge linux-headers-2.6.32-26 linux-headers-2.6.32-26-generic linux-image-2.6.32-26-generic
    Re-install it with this:
    Code:
    sudo apt-get install linux-headers-2.6.32-26 linux-headers-2.6.32-26-generic linux-image-2.6.32-26-generic
    And run sudo update grub afterwards, if it doesn't already do so automatically.
    This might help. I got a beta nVida driver update this morning and could not even boot into any kernel.
    Took half a day to fix it. No more nvidia beta ppa in my software sources!
    Creating a Custom Maintenance Free GRUB2 Screen Community Wiki
    Creating a Custom Maintenance Free GRUB2 Screen on Arch Linux
    Intel Core2 Quad Q9550 2.84 GHz, NVIDIA GeForce 9800 GT, Mobo: MSI model: G31M3-L V2(MS-7529)

  4. #4
    Join Date
    Nov 2009
    Location
    Germany
    Beans
    1
    Distro
    Ubuntu

    Re: kernel panic with 2.6.32.-26

    Hello, I had the same problem, but with adding the UUID an initrd I can boot my Ubuntu 10.04, to see more output at boottime you can replaye "quiet splash" with debug, then you can see more Information. My Kernel Panic was, the bootfilesystem can not be found. br Scooby

  5. #5
    Join Date
    Apr 2006
    Beans
    14

    Re: kernel panic with 2.6.32.-26

    I too got a kernel panic after applying the new updates for kernel 2.6.32-26 this morning. The errors indicated it could not find the root device.

    In examining my grub.cfg file, I also saw that my newest menuentry had no initrd and was trying to boot the kernel directly from the file system. I knew that would not work with my SCSI hardware RAID Mylex card

    So I opened a terminal window and typed: sudo update-grub

    After that I rebooted into the new kernel, and am now running it with no issues.

    For what it's worth, I've applied the same updates to 2 laptops with no issues.

    Hope this helps j33pn.

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