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Thread: Error:couldn't read file-Kernel panic after 12.04 installation

  1. #1
    Join Date
    Jun 2012
    Location
    Athens
    Beans
    55
    Distro
    Ubuntu 10.04 Lucid Lynx

    Error:couldn't read file-Kernel panic after 12.04 installation

    I have just installed ubuntu 12.04.1. To be honest I had to run installation several times until it was finished fine. When I finally managed to install it properly, I power on the laptop and the grub shoed up! I selected ubuntu generic. It takes some time to load and when it does I get an error message stating that

    Code:
    error: couldn't read file
    Press any key to continue
    If I press any button nothing happens. If a leave it there, in a short while there is a black screen loading which gives some weird messages

    Code:
    [0.946710] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0)
    [0.946755] Pid: 1, comm: swapper/0 Not tainted 3.2.0-29-generic #46-Ubuntu 
    [0.946792] Call Trace:
    [0.946831] [<ffffffff81640ec8>] panic+0x91/0x1a4
    [0.946869] [<ffffffff81cfc01e>] mount_block_root+0xdc/0x18e
    [0.946909] [<ffffffff81002930>] ? populate_rootfs_wait+0x300/0x9d0
    [0.946947] [<ffffffff81cfc257>] mount_root+0x54/0x59
    [0.946982] [<ffffffff81cfcec9>] prepare_namespace+0x16d/0x1a6
    [0.947019] [<ffffffff81cfbd63>] kernel_init+0x153/0x158
    [0.947094] [<ffffffff81cfbc10>] ? start_kernel+0x3bd/0x3bd
    [0.947129] [<ffffffff81664030>] ? gs_change+0x13/0x13
    The thing is that the laptop isn't mine. A friend tried to dual boot ubuntu alongside windows 7 but he didn't succeed. Ubuntu option was in grub, but when you tried to boot it rebooted from the start. So from a Live CD I erased ubuntu, started windows to check if something went wrong, and fortunately everything was OK. Windows started normally!

    So I tried to install ubuntu. Before installation was completed the installer crashed! I was afraid that he would lost windows, something that was true...

    At that point I tried to install windows but whichever distro(XP, 7{home, proffessional, ultimate},8) I tried it could never reach the end.

    So I tried to reinstall ubuntu but I was facing those weird messages. What can I do to move on?

  2. #2
    Join Date
    Jun 2012
    Location
    Athens
    Beans
    55
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Error:couldn't read file-Kernel panic after 12.04 installation

    I tried to check and fix(if possible) with GParted it took a lot of hours,although gparted displays only 01:14, I restarted the system and now I get not exactly the same messages.

    Numbers in braces [] are different

    Code:
    [0.818189] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0)
    [0.818235] Pid: 1, comm: swapper/0 Not tainted 3.2.0-29-generic #46-Ubuntu 
    [0.818272] Call Trace:
    [0.818312] [<ffffffff81640ec8>] panic+0x91/0x1a4
    [0.818351] [<ffffffff81cfc01e>] mount_block_root+0xdc/0x18e
    [0.818391] [<ffffffff81002930>] ? populate_rootfs_wait+0x300/0x9d0
    [0.818428] [<ffffffff81cfc257>] mount_root+0x54/0x59
    [0.818464] [<ffffffff81cfcec9>] prepare_namespace+0x16d/0x1a6
    [0.818501] [<ffffffff81cfbd63>] kernel_init+0x153/0x158
    [0.818574] [<ffffffff81cfbc10>] ? start_kernel+0x3bd/0x3bd
    [0.818610] [<ffffffff81664030>] ? gs_change+0x13/0x13
    What on earth is going on?

    EDIT: I forgot to mention that my friend gave a punch to his laptop during a game. After that his cooler became to make a weird noise so I checked and it is a bit tortuous but it is working. What I beleive must be wrong is that his HDD makes a weird noise while trying to load ubuntu, which means he might need a new HDD. Could that be true?
    Last edited by AAEIV; December 2nd, 2012 at 10:28 AM. Reason: more information

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