Just upgraded to RH7.1 from 7.0 and am having a problem accessing my
CDROMS. All had been well under 7.0,
When I execute mount /mnt/cdrom (or cdrom1, my burner, I get this
message:
wrong fs type, bad option, bad superblock on /dev/cdrom,
or too many mounted file systems
(could this be the IDE device where you in fact use
ide-scsi so that sr0 or sda or so is needed?)
My impression, based on what follows, is that the 2.4.2 kernel directly
implements scsi emulation for ide devices, but perhaps a lister will
know this for sure?
I had previously modified my lilo.conf and modules.conf to make cdrecord
work properly. The entries which follow reflect this.
Herewith the particulars: (my appologies for the length)
Kernel 2.4.2-2
My lilo.conf:
boot=/dev/hdb5
map=/boot/map
install=/boot/boot.b
prompt
timeout=50
default=linux
message=/boot/message
linear
image=/boot/vmlinuz-2.4.2-2
label=linux
read-only
root=/dev/hda6
append="hdd=ide-scsi hdc=ide-scsi"
other=/dev/hda1
label=Windows98
My fstab:
/dev/hda6 / ext2 defaults 1 1
/dev/hdb5 /boot ext2 defaults 1 2
/dev/hda7 /home ext2 defaults 1 2
dev/hda5 swap swap defaults 0 0
/dev/fd0 /mnt/floppy ext2 owner,exec,dev,suid,rw,noauto 0 0
none /proc proc defaults 0 0
none /dev/pts devpts gid=5,mode=620 0 0
/dev/hda1 /mnt/vfat vfat user,owner,exec,dev,suid,rw,conv=auto,uid=500,gid=500,auto 1 2
# Next line added 6/24 to automount the Win D Drive
/dev/hdb1 /mnt/ddrive vfat
user,owner,exec,dev,suid,rw,conv=auto,uid=500,gid=500,auto 1 2
# 4/22 changed cdrom1 to match cdrom exactly and
# changed vfat fs passnoo from 1 to 2, per fstab man page.
# 5/18 Changed vfat permission from w to rw. This was intended to fix
# the write prob with mutt.
/SWAP swap swap defaults 0 0
/dev/cdrom /mnt/cdrom iso9660 owner,exec,dev,suid,noauto,ro,kudzu 0 0
/dev/cdrom1 /mnt/cdrom1 iso9660 owner,exec,dev,suid,noauto,ro,kudzu 0 0
My modules.conf:
alias eth0 3c59x
alias parport_lowlevel parport_pc
# added 2/19 jpv
alias sound-slot-0 es1371
# added next lines 4/16/00 jpv
# per CD-Writing HOWTO
install ide-scsi
alias scd0 sr_mod # load sr_mod upon access of
scd0
alias scd1 sr_mod # load sr_mod upon access of
scd1
pre-install sg modprobe ide-scsi # before sg, load ide-scsi
pre-install sr_mod modprobe ide-scsi # before sr_mod, load ide-scsi
Some messages from the kernel message log:
Apparently in response to mount /mnt/cdrom:
Apr 29 10:57:08 CV150607-A kernel: ide-scsi: hdc: unsupported command in
request queue (0)
Apr 29 10:57:08 CV150607-A kernel: end_request: I/O error, dev 16:00
(hdc), sector 64
Apr 29 10:57:08 CV150607-A kernel: isofs_read_super: bread failed,
dev=16:00, iso_blknum=16, block=32
Apr 29 10:57:42 CV150607-A kernel: ide-scsi: hdd: unsupported command in
request queue (0)
Apr 29 10:57:42 CV150607-A kernel: end_request: I/O error, dev 16:40
(hdd), sector 64
Apr 29 10:57:42 CV150607-A kernel: isofs_read_super: bread failed,
dev=16:40, iso_blknum=16, block=32
At boot time, initializing the CDROMs:
Apr 29 10:51:57 CV150607-A kernel: Kernel command line: auto
BOOT_IMAGE=linux ro root=306 BOOT_FILE=/boot/vmlinuz-2.4.2-2
hdd=ide-scsi hdc=ide-scsi
Apr 29 10:51:57 CV150607-A kernel: ide_setup: hdd=ide-scsi
Apr 29 10:51:57 CV150607-A kernel: ide_setup: hdc=ide-scsi
Apr 29 10:51:58 CV150607-A kernel: hdc: CRD-8480C, ATAPI CD/DVD-ROM
drive
Apr 29 10:51:58 CV150607-A kernel: hdd: CD-RW CRX100E, ATAPI CD/DVD-ROM
drive
And a bit later in messages:
Apr 29 10:52:09 CV150607-A kernel: scsi0 : SCSI host adapter emulation
for IDE ATAPI devices
Apr 29 10:52:09 CV150607-A kernel: Vendor: LG Model: CD-ROM
CRD-8480C Rev: 1.04
Apr 29 10:52:09 CV150607-A kernel: Type: CD-ROM
ANSI SCSI revision: 02
Apr 29 10:52:09 CV150607-A kernel: Vendor: SONY Model: CD-RW
CRX100E Rev: 1.0m
Apr 29 10:52:09 CV150607-A kernel: Type: CD-ROM
ANSI SCSI revision: 02
Thanks very much to any and all on this.
--
John P. Verel
Norwalk, CT
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