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I just put Slackware 10.0 on my computer and I have been slowly going through everything making sure all the hardware and software is working well together. Tonight I decided to work on the DVD writer. I really only wanted it as a CD writer for now, I'll work on gettig it to write DVDs later.
I managed to get the scsi emulation going(I am using the default 2.4.26 kernel) and it can write CDs without a problem. The drive will play music CDs and mount and browse data CDs without a problem. Where I hit a problem is with DVDs. When I try to mount a DVD I get the following error:
# mount /mnt/dvd
mount: No medium found
Here is my fstab entry for the drive:
/dev/dvd /mnt/dvd auto noauto,users,ro 0 0
/dev/dvd is a link to /dev/sr1, which is the correct device with the scsi-emulation enabled. I changed all the permissions so that users should be able to access the drive without a problem. I am sure the drive itself is working because it can create CDs, play audio CDs, and read data CDs without a problem. It is just DVDs that are not working and they should, I know on Windows DVDs will play without a problem so it isn't a problem with the drive itself.
I changed the link back to /dev/hdd and tried mounting it and I get this:
mount: wrong fs type, bad option, bad superblock on /dev/hdd, or could be 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?)
I also tried mounting it manually:
# mount /dev/dvd /mnt/dvd
/dev/dvd: Input/output error
mount: you must specify the filesystem type
I just remembered that the last time I played a DVD on Linux was when I still had Slackware 9.1, so I suppose something could have changed between 9.1 and 10.0 which is causing my DVD drive to no longer play DVDs. However, I have no idea what that might be.