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Thread: DVD-ROM mounting problems - HELP

  1. #1
    Join Date
    Jul 2008

    DVD-ROM mounting problems - HELP


    Have weird problem. I'm a newbie to Linux and more so Xubuntu. Loads fine on my laptop, but my friend has this error message:

    Failed to mount "DVD-R Disc".
    mount: block device/dev/hda is write-protected, mounting read-only.
    mount: wrong fs type, bad option, bad superblock on /dev/hda, missing codepage or helper program, or other error
    In some cases useful info is found in syslog - try dmesg|tail or so.

    Now funny part is, it loads the main repository DVD fine (Ubuntu 7.10) but not any of the rest. Xubuntu 8.04 i386. He has a Fujitsu Siemens Amilo Li 1718.

    I'm new to Linux so if you need more info I will supply it if you tell me how to give it (refering to system data using the OS).

    Thanks so much and hope you can help soon, would really like to get it working on his laptop, he gives up quickly.

  2. #2
    Join Date
    Nov 2007
    Ubuntu 7.10 Gutsy Gibbon

    Re: DVD-ROM mounting problems - HELP

    Do you get this error when you put the CD in the cd drive or do you get it when you boot?
    quidquid Latine dictum sit altum videtur

  3. #3
    Join Date
    Feb 2007

    Re: DVD-ROM mounting problems - HELP

    insert a cd.
    open a terminal(Applications -> Accessories -> Terminal) and type:
    dmesg | tail
    cat /etc/fstab
    lshw -C disk
    post the output.

  4. #4
    Join Date
    Jul 2008

    Re: DVD-ROM mounting problems - HELP

    Hi Sisco311. Thanks for the reply, you to Potatoj316. Here is the output of each line:

    dmesg | tail
    [ 251.502191] attempt to access beyond end of device
    [ 251.502205] hda: rw=0, want=68, limit=4
    [ 251.514087] attempt to access beyond end of device
    [ 251.514098] hda: rw=0, want=1252, limit=4
    [ 251.514110] attempt to access beyond end of device
    [ 251.514115] hda: rw=0, want=1028, limit=4
    [ 251.514120] UDF-fs: No partition found (1)
    [ 251.542015] attempt to access beyond end of device
    [ 251.542028] hda: rw=0, want=68, limit=4
    [ 251.542052] isofs_fill_super: bread failed, dev=hda, iso_blknum=16, block

    cat /etc/fstab
    # /etc/fstab: static file system information
    # <file system> <mount point> <type> <options> <dump> <pass>
    proc /proc proc defaults 0 0
    # /dev/sda1
    UUID=c113f38d-b76e-46af-9ada-f26acc907289 / ext3 relatime,errors=remount-ro 0 1
    # /dev/sda5
    UUID=20d055aa-9517-4231-b7b1-db0f046c1629 none swap sw 0 0
    /dev/hda /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0

    lshw -C disk
    WARNING: you should run this program as super-user
    product:Optairc DVD RW AD-7540A
    physical id: 0
    bus info:ide@0.0
    logical name: /dev/hda
    capacity: 2KiB (2048B)
    capabilites: packet

    Hope this helps cause it took me some eyestrain and time to copy this down. If it is a stupid way, have a laugh on me!

  5. #5
    Join Date
    Jul 2008

    Re: DVD-ROM mounting problems - HELP

    Hi Potato. Xubuntu is installed and running. I insert the 1st DVD repository (1 of 5) and that gets loaded, but any of the rest gives me that message. I tried some other DVD's and CD's. I have no idea why it would load and read the first one but not the rest, or one DVD and not any other.


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