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Thread: /dev/sr0 problem on USB

  1. #1
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    /dev/sr0 problem on USB

    Hi every body,

    I install liveCD on USB by copying the content and booting from GRUB.


    Jaunty worked well,
    I installed Karmic alpha, beta and stable release, all of them made a error during boot about /dev/sr0 being not present
    Recently I had to reinstall Jaunty, now he drops me at a shell after a long wait time during boot.

    Also I tried out Lucid, it make the same thing as karmic, this is probably a bug, how to fix it? or will it be fixed?

    Thanks for help

  2. #2
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    Re: /dev/sr0 problem on USB

    I get same error on Lucid Daily Live when making USB with


    • USB Startup Disk Creator
    • Create DELL recovery media
    • Unetbootin

    All the above packages give me this same error when using them and the ISO to create a live USB.

  3. #3
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    Re: /dev/sr0 problem on USB

    No one any ideas. I want to test Lucid.

    I tried it before the alpha with no problems but since the alpha I can't boot. I've tried several "daily's" with this same error each time

    To clarify I am getting the following error when booting from the USB stick

    /init: line 7: can't open /dev/sr0: No medium found

    Doesn't seem to matter how write to the stick as above post
    Last edited by gibbylinks; December 19th, 2009 at 10:06 PM. Reason: correction

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    Re: /dev/sr0 problem on USB

    Quote Originally Posted by gibbylinks View Post
    To clarify I am getting the following error when booting from the USB stick

    /init: line 7: can't open /dev/sr0: No medium found

    Doesn't seem to matter how write to the stick as above post
    I'm getting the same. AMD64 machine.
    Desktops: AMD64X2 3GB RAM 500GB SATA2 GeForce9400GT - P4 HT 3.2Ghz 1GB RAM 250GB IDE + 2x160GB SATA ATI Radeon X740XL - Laptop AMD AthlonXP 1.6 512MB RAM 120GB HD ATI M200

    Gina's Ubuntu HowTo's for beginners (and reference)

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  6. #6
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    Re: /dev/sr0 problem on USB

    have you sent a bug report ? can't find one.

    what return: fdisk with your usb device; how have you format it (which OS, which settings)

  7. #7
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    Re: /dev/sr0 problem on USB

    Quote Originally Posted by gibbylinks View Post
    No one any ideas. I want to test Lucid.

    I tried it before the alpha with no problems but since the alpha I can't boot. I've tried several "daily's" with this same error each time

    To clarify I am getting the following error when booting from the USB stick

    /init: line 7: can't open /dev/sr0: No medium found

    Doesn't seem to matter how write to the stick as above post
    I have just booted using my usb thumb drive with todays daily build made with USB Startup Disk Creator. I get the same errors you are seeing but it still boots. I am running nvidia so I get a dialog box to that it must be run in low res. After answering that I get a login box that you cannot find the right password for. I found this in the Lucid Lynx Testing and Discussion forum.

    I waited until the login screen appeared, then switched using "ctrl+alt+f1" to a new screen.
    after that it was

    Code:
    sudo useradd -d /home/username -m username
    sudo passwd username
    sudo adduser username admin
    I switched back to "ctrl+alt+f8" and was able to login and start the installer program which is under "system->administration"

    What I did find is that because it is a thumb drive if you reboot after that it will take you the login screen and all you have to do then is enter your password.

    Hope this helps Bill
    LINUX Flight Simulator Machine - AMD 8-Core FX-8350 - Antec KUHLER H2O 920 - 32G Ram - Nvidia GeForce GTX 680 PCI/Express 4096 MB - Driver Version 310.14 - Asus VE278 - Ubuntu 64 bit 12.04 - 12.10 - 13.04 - 13.10 - 14.04 - X-Plane 10.25b1

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    Wink Re: /dev/sr0 problem on USB

    Quote Originally Posted by dino99 View Post
    have you sent a bug report ? can't find one.

    what return: fdisk with your usb device; how have you format it (which OS, which settings)
    Bug report submitted. https://bugs.launchpad.net/ubuntu/+bug/500822
    Last edited by gibbylinks; December 27th, 2009 at 06:36 PM.

  9. #9
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    Re: /dev/sr0 problem on USB

    Quote Originally Posted by gibbylinks View Post
    Disable floppy or. floppy controler in BIOS (if you don't have a floppy drive).

  10. #10
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    Re: /dev/sr0 problem on USB

    How do you disable floppys. Can that be done with a program in the gui?

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