Re: 1 of 2 CDROM freezes

From: jludwig (wralphie_at_comcast.net)
Date: 04/27/04

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    To: For users of Fedora Core releases <fedora-list@redhat.com>
Date: Tue, 27 Apr 2004 08:19:23 -0400

    On Tue, 2004-04-27 at 07:41, Amar Kumar Padhi wrote:
    > Hi,
    > I have got two CDROM drives on my PC (99 make, P2, 512MB, dualboot-
    > win2k/fedora core1). CDROM1 (read/write) gets recognized but CDROM (read
    > only) just hangs on being accessed.
    >
    > ATAPI CD-ROM DRIVE 40X MAXIMUM (hangs!)
    > Samsung CD-R/RW SW-224B. (ok!)
    >
    > One gets recognized as SCSI drive (samsung, about 2 years old) and is
    > operational.The other drive gets recignized as IDE (ATAPI, about 5 years
    > old). Anything I try simply does not work. The system just hangs and I need
    > to restart. Even saying "eject cdrom" hangs the system.
    >
    > When I boot with GNOME, it just hangs in the startup screen (on the CDROM
    > icon). KDE allowed me to get in and check out the drives from the shell. I
    > am lost as to what needs to be done next. Any help would be great guys!
    > Thanks!
    >
    > from dmesg:
    > hdb: ATAPI CD-ROM DRIVE 40X MAXIMUM, ATAPI CD/DVD-ROM drive
    > blk: queuec040cfc0, I/O limit 4095Mb (mask 0Xffffffff)
    > hdb: Disabling (U)DMA for ATAPI CD-ROM DRIVE.
    >
    > from /etc/fstab:
    > /dev/cdrom /mnt/cdrom udf,iso9660 noauto,owner,kudzu,ro 0 0
    > /dev/cdrom1 /mnt/cdrom1 udf,iso9660 noauto,owner,kudzu,ro 0 0
    >
    >
    > from /etc/sysconfig/hwconf:
    > class: CDROM
    > bus: IDE
    > detached: 0
    > device: hdb
    > driver: ignore
    > desc: "ATAPI CD-ROM DRIVE 40X MAXIMUM"
    > -
    > class: CDROM
    > bus: SCSI
    > detached: 0
    > device: scd0
    > driver: ignore
    > desc: "Samsung CD-R/RW SW-224B"
    > host: 0
    > id: 0
    > channel: 0
    > lun: 0
    > generic: sg0
    >
    > Thanks!
    > amar
    >
    > _________________________________________________________________
    > Easiest Money Transfer to India. Send Money To 6000 Indian Towns.
    > http://go.msnserver.com/IN/42198.asp Easiest Way To Send Money Home!

    Any drive will "hang the system" if it has I/O errors. To check try
    mounting from the command line < mount /mnt/cdrom > and if there are I/O
    errors they will be output to the terminal.

    The CD R/W being seen as scsi indicates a 2.4.x kernel and is needed for
    burning. 

    -- 
jludwig <wralphie@comcast.net>
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