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Thread: /dev/scd0 works only if disc is inserted during boot

  1. #1
    Join Date
    Dec 2008
    Beans
    9

    /dev/scd0 works only if disc is inserted during boot

    I am running Ubuntu 8.10 kernel 2.6.27-9 on a Sony Vaio VGN-NS11S laptop. My problem is the following:
    CDs/DVDs are mounted only when a CD has been in the drive during boot
    When a CD is in the drive during boot
    • boot stalls while the CD is accessed and several error messages appear, something about dev sr0 and then
      Buffered I/O error ...(or similar)
      boot then continues normally
    • CD is mounted, mount output:
      /dev/scd0 on /media/CDNAME type iso9660 (ro,nosuid,nodev,uhelper=hal,uid=1000,utf8)
    • on removal of CD: CD-RW-/DVD+-RW-Laufwerk is in nautilus device list
    • other CDs that are inserted are mounted alright

    When no CD is in drive during boot and a CD is inserted
    • drive is active for a few seconds and then stops
    • CD is not mounted
    • /var/log/messages has nothing informative
    • mount /media/cdrom0
      results in
      mount: Gerätedatei /dev/scd0 existiert nicht
      (/dev/scd0 does not exist)
    • ls /dev/scd*
      is empty
    • CD drive does not show up in the nautilus device list


    /etc/fstab has
    /dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0
    commenting this out has no effect.

    I'd be very grateful for any help.

  2. #2
    Join Date
    Dec 2008
    Beans
    9

    Re: /dev/scd0 works only if disc is inserted during boot

    The drive is a
    PIONEER
    DVD-RW DVRTD08
    SCSI drive.

  3. #3
    Join Date
    Dec 2008
    Beans
    9

    Re: /dev/scd0 works only if disc is inserted during boot

    I just noticed that this is a duplicate of
    http://ubuntuforums.org/showthread.php?t=986871

    please post any answers there

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