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Old 12-31-2010, 06:06 PM   #1
vortex3
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Registered: Dec 2010
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Distribution: Gentoo
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My DVD unit can read a data DVD but not an (original) video DVD


Hello everybody,

I was trying to watch a movie from an original DVD that I have bought recently, but I was unable to.

When I put the DVD on my unit and try to mount it (mount /dev/cdrom /mnt/cdrom) I get this error:

mount: /dev/sr0: unknown device

I found the same error using /dev/cdrom, /dev/sr0 or /dev/dvd on the mounting command.

I try with several original movie DVDs (region 1 and region 2) but I didn't get to mount any of them.

However, on the same PC but in my Windows session I can watch the movie without problem. I also can watch the movie on a normal DVD player.

After trying with the video DVDs, I put a old data DVD that I have recorded a year ago and I could mount it normally, and read the data on it.

My DVD unit is a "PIONEER DVD-RW DVR-K17 ATA", on a SONY VAIO VGN-CR120E.

My distro is Gentoo with kernel 2.6.35-gentoo-r12

The output of lspci is:

00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 0c)
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 (rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 3 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f3)
00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller (rev 03)
00:1f.2 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA IDE Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 03)
02:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)
06:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 01)
08:07.0 CardBus bridge: Texas Instruments PCIxx12 Cardbus Controller
08:07.1 FireWire (IEEE 1394): Texas Instruments PCIxx12 OHCI Compliant IEEE 1394 Host Controller
08:07.2 Mass storage controller: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD)

Thank you very much.
 
Old 12-31-2010, 06:09 PM   #2
stress_junkie
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Registered: Dec 2005
Location: Massachusetts, USA
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Here is the key to the answer.
http://gentoo-portage.com/media-libs/libdvdcss

You may also have to find and install a libdvdcss enabled mplayer or xine.

Details have been discussed at length here at LQ. Search for libdvdcss.
 
1 members found this post helpful.
Old 01-02-2011, 06:13 AM   #3
vortex3
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Registered: Dec 2010
Location: Italy
Distribution: Gentoo
Posts: 10

Original Poster
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Thanks for your answer stress_junkie,

I installed libdvdcss as you said:

emerge -av libdvdcss

and xine:

emerge -av xine-lib
emerge -av xine-ui

After that I tried again and i still didn't work. However, after rebooting it worked. Now it work even with my (previously install) VLC player. So I suppose in my case it wasn't necessary to install xine, and I only needed the libdvdcss.

Thank you.
 
Old 01-02-2011, 06:29 AM   #4
stress_junkie
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I'm glad that worked for you.

Thank you for marking the thread solved.
 
1 members found this post helpful.
  


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