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Thread: A whole bunch of /dev/sr0 errors on startup. How bad could it be?

  1. #1
    Join Date
    Dec 2007
    Beans
    10

    A whole bunch of /dev/sr0 errors on startup. How bad could it be?

    Hi, everyone

    On system startup I get a whole bunch of this:

    Code:
    [   10.218885] sr 0:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
    [   10.218891] sr 0:0:0:0: [sr0] Sense Key : Illegal Request [current] 
    [   10.218896] sr 0:0:0:0: [sr0] Add. Sense: Logical block address out of range
    [   10.218901] sr 0:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 01 00
    [   10.218911] end_request: I/O error, dev sr0, sector 0
    [   10.218979] Buffer I/O error on device sr0, logical block 0
    I can see it in dmesg output after. Just was wondering if this was a dangerous error.

  2. #2
    Join Date
    May 2007
    Location
    the Netherlands
    Beans
    647
    Distro
    Ubuntu Development Release

    Re: A whole bunch of /dev/sr0 errors on startup. How bad could it be?

    It likely means that your dvd-drive won't work correctly. It's a common bug on Lucid for dvd-drives with a sata connection (several Samsung models for example). See:
    https://bugs.launchpad.net/ubuntu/lu...ev/+bug/554433
    "Let your roots dig deep into the hot soil... Let our scorching sun and sheeting rain turn your supple beauty into strength. For if our love is to survive, it must grow thorns to pierce the hand of any that would uproot it!"

  3. #3
    Join Date
    Jun 2007
    Beans
    13,447

    Re: A whole bunch of /dev/sr0 errors on startup. How bad could it be?

    If you are booting up with media in the drive then those messages are quite normal.

    (generally are anyway -
    from inserting audio cd or blank media

    doug@doug-laptop:~$ dmesg |tail
    [ 2197.583035] Info fld=0x0
    [ 2197.583043] sr 0:0:0:0: [sr0] Add. Sense: Illegal mode for this track
    [ 2197.583059] sr 0:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 02 00
    [ 2197.583094] end_request: I/O error, dev sr0, sector 0
    [ 2197.587249] sr 0:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
    [ 2197.587255] sr 0:0:0:0: [sr0] Sense Key : Illegal Request [current]
    [ 2197.587260] Info fld=0x0
    [ 2197.587262] sr 0:0:0:0: [sr0] Add. Sense: Illegal mode for this track
    [ 2197.587268] sr 0:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 02 00
    [ 2197.587281] end_request: I/O error, dev sr0, sector 0
    from inserting dvd (movie
    doug@doug-laptop:~$ dmesg |tail
    [ 2197.583059] sr 0:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 02 00
    [ 2197.583094] end_request: I/O error, dev sr0, sector 0
    [ 2197.587249] sr 0:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
    [ 2197.587255] sr 0:0:0:0: [sr0] Sense Key : Illegal Request [current]
    [ 2197.587260] Info fld=0x0
    [ 2197.587262] sr 0:0:0:0: [sr0] Add. Sense: Illegal mode for this track
    [ 2197.587268] sr 0:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 02 00
    [ 2197.587281] end_request: I/O error, dev sr0, sector 0
    [ 2317.377029] UDF-fs: Partition marked readonly; forcing readonly mount
    [ 2317.416337] UDF-fs INFO UDF: Mounting volume 'RATATOUILLE', timestamp 2007/08/31 02:08 (1f10)

  4. #4
    Join Date
    Dec 2007
    Beans
    10

    Re: A whole bunch of /dev/sr0 errors on startup. How bad could it be?

    Ooops. I'm booting without CD inside. And that's actualy true. My cdrom does not work.

  5. #5
    Join Date
    Jun 2006
    Location
    USA
    Beans
    151
    Distro
    Kubuntu 12.04 Precise Pangolin

    Re: A whole bunch of /dev/sr0 errors on startup. How bad could it be?

    I get the same error messages. I boot with no media in the drive and it is an IDE unit.
    M2N-SLI with AMD Phenom II X4 940 8GB of 400Mhz 128bit DDR2 RAM, an Evga GTX560ti Video card Phoenix Bios Rev. 5001

    Kubuntu 12.10 (do-release-upgrade)

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