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    Subject2.2-final: Problem with ATAPI CDROM directory listings
    Date
    Hello There

    I have a problem with corrupted CDROM directory listings using 2.2-final and
    large directories (for example the RPMS directory on a RH 5.2 CD.)

    BUG Report Below:

    [1.] One line summary of the problem:
    Corruption of retrieval of large directory listing from CD-ROM drive. (Large
    directory example being RPMS directory on a RH 5.2 CD.)

    [2.] Full description of the problem/report:

    When 'ls'ing or using 'mc' to view a directory, output is truncated and
    corrupted and syslog out is as follows:

    Jan 25 17:52:26 leo kernel: VFS: Disk change detected on device ide1(22,0)
    Jan 25 17:52:26 leo kernel: ISO 9660 Extensions: RRIP_1991A
    Jan 25 17:52:55 leo kernel: next_offset (806) > bufsize (800)

    [3.] Keywords (i.e., modules, networking, kernel):
    [4.] Kernel version (from /proc/version):
    Linux version 2.2.0-final (root@leo.zoo.co.za) (gcc version 2.7.2.3) #6 Thu
    Jan 21 20:44:54 SAST 1999

    [5.] Output of Oops.. message (if applicable) with symbolic information
    resolved (see Documentation/oops-tracing.txt)

    Not Applicable

    [6.] A small shell script or example program which triggers the
    problem (if possible)

    Not Applicable

    [7.] Environment
    [7.1.] Software (add the output of the ver_linux script here)
    Linux leo.zoo.co.za 2.2.0-final #6 Thu Jan 21 20:44:54 SAST 1999 i586
    unknown
    Kernel modules found
    Gnu C 2.7.2.3
    Binutils 2.9.1.0.15
    Linux C Library 2.0.7
    Dynamic linker ldd (GNU libc) 2.0.7
    Linux C++ Library 2.8.0
    Procps 1.2.9
    Mount 2.8a
    Net-tools (1998-12-05)
    Kbd 0.96
    Sh-utils 1.16

    [7.2.] Processor information (from /proc/cpuinfo):

    processor : 0
    vendor_id : GenuineIntel
    cpu family : 5
    model : 4
    model name : Pentium MMX
    stepping : 3
    cpu MHz : 200.457059
    fdiv_bug : no
    hlt_bug : no
    sep_bug : no
    f00f_bug : yes
    fpu : yes
    fpu_exception : yes
    cpuid level : 1
    wp : yes
    flags : fpu vme de pse tsc msr mce cx8 mmx
    bogomips : 399.77

    [7.3.] Module information (from /proc/modules):

    opl3 10264 0
    sb 30764 0
    uart401 5628 0 [sb]
    sound 55156 0 [opl3 sb uart401]
    soundcore 2192 6 [sb sound]

    [7.4.] SCSI information (from /proc/scsi/scsi)

    Not Applicable

    [7.5.] Other information that might be relevant to the problem
    (please look in /proc and include all information that you
    think to be relevant):

    /proc/ide/hdc/model:
    SAMSUNG SCR-2430

    /proc/ide/hdc/driver:
    ide-cdrom version 4.52

    /proc/ide/hdc/settings:
    name value min max mode
    ---- ----- --- --- ----
    breada_readahead 4 0 127 rw
    dsc_overlap 0 0 1 rw
    file_readahead 72 0 2097151 rw
    io_32bit 0 0 3 rw
    keepsettings 0 0 1 rw
    max_kb_per_request 122 1 127 rw
    nice1 1 0 1 rw
    pio_mode write-only 0 255 w
    slow 0 0 1 rw
    unmaskirq 0 0 1 rw
    using_dma 1 0 1 rw

    [X.] Other notes, patches, fixes, workarounds:

    Increase Bufsize?

    Regards
    Daniel


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