sudden CD burner failure

From: Michael Hennebry (hennebry_at_web.cs.ndsu.nodak.edu)
Date: 09/13/05

  • Next message: Paul Howarth: "Re: tftp???" 
    Date: Tue, 13 Sep 2005 11:25:48 -0500 (CDT)
To: fedora <fedora-list@redhat.com>

    I burned a CD using an iso image.
    The CD worked. It is mountable.
    It's files are there.
    Feeling paranoid, I tried to burn
    another CD with the same image and
    the same command. cdrecord didn't
    give me any complaints it hadn't
    given me before, but the CD didn't work.
    mount /dev/hdd
    produced
    /dev/hdd: Invalid argument
    mount: /dev/hdd: can't read superblock

    Some of my effort:
    [root@hobbes tmp]# cdrecord -dao dev=ATA:1,1,0 bin.iso
    Cdrecord-Clone 2.01-dvd (i686-pc-linux-gnu) Copyright (C) 1995-2004 Jörg Schilling
    Note: This version is an unofficial (modified) version with DVD support
    Note: and therefore may have bugs that are not present in the original.
    Note: Please send bug reports or support requests to http://bugzilla.redhat.com/bugzilla
    Note: The author of cdrecord should not be bothered with problems in this version.
    scsidev: 'ATA:1,1,0'
    devname: 'ATA'
    scsibus: 1 target: 1 lun: 0
    Linux sg driver version: 3.5.27
    Using libscg version 'schily-0.8'.
    cdrecord: Warning: using inofficial libscg transport code version (schily - Red Hat-scsi-linux-sg.c-1.83-RH '@(#)scsi-linux-sg.c 1.83 04/05/20 Copyright 1997 J. Schilling').
    Device type : Removable CD-ROM
    Version : 0
    Response Format: 2
    Capabilities :
    Vendor_info : 'HL-DT-ST'
    Identifikation : 'CD-RW GCE-8481B '
    Revision : 'C102'
    Device seems to be: Generic mmc CD-RW.
    Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr).
    Driver flags : MMC-2 SWABAUDIO BURNFREE
    Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
    Speed set to 8467 KB/s
    Starting to write CD/DVD at speed 48.0 in real SAO mode for single session.
    Last chance to quit, starting real write 0 seconds. Operation starts.
    trackno=0
    cdrecord: WARNING: Drive returns wrong startsec (0) using -150
    Track 01: Total bytes read/written: 23392256/23392256 (11422 sectors).
    [root@hobbes tmp]# mount /dev/hdd
    /dev/hdd: Invalid argument
    mount: /dev/hdd: can't read superblock
    [root@hobbes tmp]# mount -t iso9660 /dev/hdd
    <a longer error message>

    The iso image is correct.
    'Twas tested with loopback mounting. 

    -- 
Mike   hennebry@web.cs.ndsu.NoDak.edu
"There are three kinds of people,
those who can count and those who can't."
-- 
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