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Old 09-18-2004, 02:47 AM   #1
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Registered: Apr 2004
Location: australia
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CDROM mount? problem

Problem - Mount problem? attempting to use CDROM causes system freeze.
Distribution Mandrake 10.0

Bios information - Sony CDR/RW is master and only device on secondary ide

Harddrake information for hdc
Bus: ide
Drive Capacity: burner
New devfs device: /dev/ide/host0/bus1/target0/lun0/cd
Old device file: /dev/hdc
Media class: cdrom

/var/log/messages on boot
localhost kernel: hdc: Sony CD-RW CRX230E, ATAPI CD/DVD-ROM drive
localhost kernel: ide1 at 0X170-0X177, 0x3f6 on irq 15
localhost kernel: hdc:ATAPI 52X CD-ROM CD-R/RW CD-MRW drive, 2048kB Cache, UDMA(33)
localhost kernel: Uniform CD-ROM driver Revision: 3.20

none /mnt/cdrom supermount dev=/dev/hdc,fs=auto,ro,exec,--,user,sync,suid 0 0
none /mnt/cdrom supermount ro,noexec,nodev,sync,dev=/dev/hdc,fs=auto,-- 0 0

When trying to access data CD using desktop icon the system crashes after displaying this error message:

Warning Kwin
Window with title devices:/devhdcmntcdrom - Konqueror"is not responding.
Window belongs to application Konqueror PID2411 hostname localhost

If i try and mount /dev/cdrom as root the system also crashes.

The only thing which I know was odd about the instal was that to get the CD to load I had to specify "expert ide=nodma"at the splash screen.
Old 09-18-2004, 10:27 AM   #2
Registered: May 2004
Location: /dev/bed
Distribution: Mandriva 2009.0 Powerpack
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Re: CDROM mount? problem

Originally posted by ruse
none /mnt/cdrom supermount dev=/dev/hdc,fs=auto,ro,exec,--,user,sync,suid 0 0
Try changing the fstab entry for your CDRW so that it doesn't use supermount. I've had problems with it refusing to mount the install CD's automatically the first time I rebooted my pc after installing.
/dev/hdc /mnt/cdrom iso9660 ro,user,exec 0 0
You will need to mount the cd's manually in a terminal using "mount /dev/hdc" or "mount /mnt/cdrom" or if you use KDE, right click on your desktop and create a new CD-ROM device icon which will allow you to right click on the icon to mount/umount.
If things are still dodgy after that try adding "ide=nodma" to the kernel append lines in your bootloader.
Old 09-18-2004, 10:31 AM   #3
Registered: May 2004
Location: Pennsylvania, USA
Distribution: dual boot.... Mandrake 10.0OE/10.xcooker
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you can also disable/enable supermount via the command line, without having to edit fstab. in terminal as root do...........

supermount -i disable


supermount -i enable

Old 09-20-2004, 04:10 PM   #4
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Location: australia
Distribution: Fedora 11
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Nafan / Otish

Disabling supermount, modifying the etc/fstab cdrom mount entries and appending ide=nodma to lilo.conf have done the trick.
Thanks for the help.


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