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Old 07-03-2011, 12:14 AM   #16
Registered: Jul 2004
Distribution: Slackware
Posts: 615

Rep: Reputation: 50

libdvdread: Using libdvdcss version 1.2.10 for DVD access
libdvdread: Could not open /dev/dvd with libdvdcss.
libdvdread: Can't open /dev/dvd for reading
Hopefully it doesn't at all have to do with the next as in hopefully any and all *brands* and *types* of motherboard controllers are now adequately supported by Linux drivers.

FWIW: I have an Asus P5Q Pro motherboard. Also, on this same box, I have an pata DVD burner. (some months back/ago) I had hardware compatability issues with the (particular brand of) pata motherboard controller on this motherboard. The exhibited symptoms/problem: Some cd/dvd activities worked while others cd/dvd activities wouldn't work or sometimes worked and sometimes not.

A Promise pata controller (plugged it in) was my solution (back then) (I went into bios and disabled the motherboard's pata controller)

Question (but probably for yet a different thread): are sata DVD hardware compatability still a bit on the new side yet for Linux? (still bugs, etc.?)

(if you're curious on this) As root the next command


then search google's Linux section for your specific brand/version of pata/sata controller (whichever of those two types of controller your particular DVD drive)

Once upon a time, I found out that I was *not the only one* (with that particular, specific hardware compatability issue).

Old 07-04-2011, 11:46 AM   #17
Registered: Oct 2003
Distribution: Slackware64 13.1 x86_64, Ubuntu 10.04 x86_64
Posts: 121

Original Poster
Rep: Reputation: 15
 multcount     =  0 (off)
 IO_support    =  0 (default)
 readonly      =  0 (off)
 readahead     = 256 (on)
 HDIO_GETGEO failed: Inappropriate ioctl for device
Anybody know how to fix this? This might be the issue. DMA is not on for it and cannot be set because of this problem.
Old 07-04-2011, 02:15 PM   #18
Registered: Oct 2003
Distribution: Slackware64 13.1 x86_64, Ubuntu 10.04 x86_64
Posts: 121

Original Poster
Rep: Reputation: 15
Found a third drive to fine. Both of the other ones I had are toast, awesome.


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