newbie on debian trying to mount cdrom

javier_ccs · 09-08-2005, 12:53 PM

hello,

i just installed debian 3.1 on my machine, and to celebrate that i introduce an audio cd on my cd-rom unit, wich appears on my system.

the point is that the application CD player recognized the audio cd but i wasn't able to listen to the music, and when i tried to open the folder i got this message:
mount: wrong fs type, bad option, bad superblock on /dev/hdc,
missing codepage or other error
In some cases useful info is found in syslog - try
dmesg | tail or so

so i tryed dmesg | tail and here's what i got
end_request: I/O error, dev hdc, sector 64
isofs_fill_super: bread failed, dev=hdc, iso_blknum=16, block=16
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x54
end_request: I/O error, dev hdc, sector 64
isofs_fill_super: bread failed, dev=hdc, iso_blknum=16, block=16
hdc: command error: status=0x51 { DriveReady SeekComplete Error }
hdc: command error: error=0x54
end_request: I/O error, dev hdc, sector 64
isofs_fill_super: bread failed, dev=hdc, iso_blknum=16, block=16

does anybody knows how to fix this so i can listen to my cd...

here's my fstab:

# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
/dev/hdb5 / ext3 defaults,errors=remount-ro 0 1
/dev/hdb6 none swap sw 0 0
/dev/hdc /mnt/cdrom iso9660 ro,user,noauto 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto 0 0
192.168.127.6:/home/httpd /mnt/produccion nfs defaults 0 0
/dev/hdb1 /mnt/windows vfat defaults 0 2

thank you folks

nixcraft · 09-08-2005, 12:57 PM

This error can come if you have DMA problem or your Audio CD is protected using some sort of mechanism

javier_ccs · 09-08-2005, 12:59 PM

so, what do you suggest.... i have a friend that record the songs on windows...

Matir · 09-08-2005, 01:11 PM

Most likely a DMA issue. Test it with

Code:

hdparm -d0 /dev/hdc

. If the problem goes away, it was almost certainly DMA, in which case you need to load a driver for your specific IDE chipset.

javier_ccs · 09-08-2005, 01:14 PM

Code:

jrojas:/dev# hdparm -d0 /dev/hdc
-su: hdparm: command not found

do i need to install something else???....what is it?

javier_ccs · 09-08-2005, 01:33 PM

ok, so i installed hdparm, and here's what i got

Code:

jrojas:/dev# hdparm -d0 /dev/hdc

/dev/hdc:
 setting using_dma to 0 (off)
 using_dma    =  0 (off)

do i have to change one of those values?, how do i load an specific IDE chipset?

Matir · 09-08-2005, 01:43 PM

Ok, you have disabled DMA. Now attempt to access your CD again. Also, what kind of motherboard/IDE controller is this on? (Post output of lspci)

javier_ccs · 09-08-2005, 01:46 PM

the output:
0000:00:00.0 Host bridge: Intel Corp. 82845 845 (Brookdale) Chipset Host Bridge (rev 03)
0000:00:01.0 PCI bridge: Intel Corp. 82845 845 (Brookdale) Chipset AGP Bridge (rev 03)
0000:00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev 12)
0000:00:1f.0 ISA bridge: Intel Corp. 82801BA ISA Bridge (LPC) (rev 12)
0000:00:1f.1 IDE interface: Intel Corp. 82801BA IDE U100 (rev 12)
0000:00:1f.2 USB Controller: Intel Corp. 82801BA/BAM USB (Hub #1) (rev 12)
0000:00:1f.3 SMBus: Intel Corp. 82801BA/BAM SMBus (rev 12)
0000:00:1f.4 USB Controller: Intel Corp. 82801BA/BAM USB (Hub #2) (rev 12)
0000:00:1f.5 Multimedia audio controller: Intel Corp. 82801BA/BAM AC'97 Audio (rev 12)
0000:00:1f.6 Modem: Intel Corp. Intel 537 [82801BA/BAM AC'97 Modem] (rev 12)
0000:01:00.0 VGA compatible controller: Silicon Integrated Systems [SiS] 300/305 PCI/AGP VGA Display Adapter (rev 90)
0000:02:03.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)

i tried to access the cd-rom again and i got the same problem...sorry

Matir · 09-08-2005, 01:49 PM

Try running 'modprobe piix' and testing once again.

javier_ccs · 09-08-2005, 01:56 PM

Code:

jrojas:/home/jrojas# modprobe piix
jrojas:/home/jrojas#

and i still get the same error..... do i have a missing component on my cdrom???.....

Matir · 09-08-2005, 02:06 PM

That's really odd. Post the outputs of

Code:

dmesg | egrep -i '(ide|cd|dma)'

please.

javier_ccs · 09-08-2005, 02:11 PM

jrojas:/home/jrojas# dmesg | egrep -i '(ide|cd|dma)'
hdc: DMA disabled
hdc: DMA disabled
hdc: DMA disabled
hdc: DMA disabled
jrojas:/home/jrojas#

Matir · 09-08-2005, 02:18 PM

That is all? I would've expected far more. Does the drive work properly with normal (data) media?

javier_ccs · 09-08-2005, 02:20 PM

yes, as a matter of fact i listen to music on mp3 format all the time with the Music Player application, the problem is within the audio-cdrom...

Matir · 09-08-2005, 02:23 PM

Have you tried multiple audio cds to make sure its not an issue with the specific cd? What exactly happens when you try to play in the music player?