lkml.org 
[lkml]   [2004]   [Feb]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: 2.6.0, cdrom still showing directories after being erased
    Dne: Tue, Feb 03, 2004 at 01:09:45PM -0600, Derek Foreman napsal:
    >
    > Just making cdrecord -eject at the end of the process will probably
    > workaround what is almost certainly a hardware bug. or just eject the
    > disc by hand before attempting to re-use it.

    yes, -eject helps, as well as ejecting manually or ejecting using 'eject'

    >
    > I had an old writer that did much the same thing. After burning a disc,
    > it would still see it as blank until you ejected and reloaded.
    >
    > to Martin:
    > Does cdrecord -toc still show a valid toc after you blank the disc?
    > (definately buggy hardware)

    no, it does not:

    $ cdrecord -dev=/dev/cdrom -toc
    Cdrecord-Clone 2.01a19 (i686-pc-linux-gnu) Copyright (C) 1995-2003 Jörg Schilling
    scsidev: '/dev/cdrom'
    devname: '/dev/cdrom'
    scsibus: -2 target: -2 lun: -2
    Warning: Open by 'devname' is unintentional and not supported.
    Linux sg driver version: 3.5.27
    Using libscg version 'schily-0.7'
    Device type : Removable CD-ROM
    Version : 0
    Response Format: 1
    Vendor_info : 'HL-DT-ST'
    Identifikation : 'RW/DVD GCC-4480B'
    Revision : '1.00'
    Device seems to be: Generic mmc2 DVD-ROM.
    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
    cdrecord.mmap: Success. read toc: scsi sendcmd: no error
    CDB: 43 00 00 00 00 00 00 00 04 00
    status: 0x2 (CHECK CONDITION)
    Sense Bytes: 70 00 05 00 00 00 00 0A 00 00 00 00 24 00 00 00
    Sense Key: 0x5 Illegal Request, Segment 0
    Sense Code: 0x24 Qual 0x00 (invalid field in cdb) Fru 0x0
    Sense flags: Blk 0 (not valid)
    resid: 4
    cmd finished after 0.000s timeout 40s
    cdrecord.mmap: Cannot read TOC header
    cdrecord.mmap: Cannot read TOC/PMA
    pie:martin:~

    but I can still mount it, and see the erased data:

    pie:martin:~
    $ mount /cdrom/
    pie:martin:~
    $ ls /cdrom/
    Beskydy2003-2004

    >
    > And does ejecting and reloading the disc make things work as expected?

    it does

    --
    Martin Povolný, xpovolny@fi.muni.cz, http://www.fi.muni.cz/~xpovolny
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 14:00    [W:4.776 / U:0.040 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site