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I have an LG CDRW/DVD Combo Drive in my IBM 300PL running Zenwalk 2.6 (Slackware variant) and a custom 22.214.171.124 kernel. I am able to mount, read, and write CD's; but I am unable to mount DVD's. I have done extensive background research, and it seems like a lot of other people have encountered similar problems with no real solution. Basically, when I put a DVD in the drive, I hear some weird buzzing sounds as it tries to read, followed by failure; I have attempted to mount DVD's manually, but get the error message "mount: no medium found".
I THINK the problem is that the drivers (?) for the DVD are not being correctly loaded; there is only one directory in /proc/ide/ that refers to the CDRW/DVD drive, and it's a cdrom driver:
root[~]# cat /proc/ide/hdc/driver
ide-cdrom version 4.61
Do you have UDF builtin or as a module in the kernal
Thanks for the reply: I have UDF support built in to the kernel. The package udftools is not helpful for this problem.
Should there be a separate device for the DVD reader?--there is only one device for this piece of hardware. Perhaps the system does not know that this device can read DVDROMs and is trying to read them like CDROMs? I am not sure if I am even on the right track.
It shouldn't matter what device it is. On my system I have /dev/cdrom, cdrw, dvdrom and dvdrw which are all links to /dev/hdc. It may have something to do with the hardware, or maybe your DVD combo only reads DVD + or - .
You could try using dd to make an image of a DVD and see if you get any I/O errors, if not, can you mount the image?
When looking up Zenwalk I noticed that there are 2 versions, the full and the "core". If you only installed the "core" then you may not have out-of-the-box support. Although this is a whiled guess here. To make sure it's a software problem, you could download a dvd ISO and try to mount that.
Also I just looked at my dmesg output for my CD/DVD-RW
I followed your advice and downloaded a DVD iso. I was able to mount it without any difficulty. I am almost certain that this is a hardware problem now because when I inserted a bootable DVD and restarted, it failed to read and the drive made some angry noises. Thanks for taking the time to help me out with this but I guess I will have to get another drive.