Ubuntu

[SOLVED] dvd not recognized in Mint 9

Asked by Rick Spencer

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I have determined this to be a hardware issue, I didn't realize that my dvd burner could 'fail' and still perform CD tasks well.
I installed WinXP and was able to play an audio CD but the system didn't acknowledge the presence of a DVD.
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Hello!

I installed Mint 9 last night on a Sony Vaio Laptop PCG-FRV37 with 1 Gb RAM, and 60 Gb hard drive, and I am only running Mint 9.

"Linux Mint is an Ubuntu-based distribution whose goal is to provide a more complete out-of-the-box experience by including browser plugins, media codecs, support for DVD playback, Java and other components. It also adds a custom desktop and menus, several unique configuration tools, and a web-based package installation interface. Linux Mint is compatible with Ubuntu software repositories." according to the Mint website.

So it is my understanding that Mint comes equipped with the necessary files to play dvds, for example, I have installed libdvdread3, libdvdnav4 & libdvdcss2 already.

Initially, any disc inserted into the DVD drive wasn't recognized: CD or DVD. I then searched the Mint posts for a similar problem, and Fred from North Carolina told someone with a similar problem to make sure to have a directory in /mnt or in my case /media and add a line to /etc/fstab. So I did and this is what is looks like now:

# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
# / was on /dev/sda1 during installation
UUID=2b6813c0-5fd5-4376-9ec8-9173bdafc5cf / ext4 errors=remount-ro 0 1
# swap was on /dev/sda5 during installation
UUID=9a6df1bd-ce31-4ba9-8fb6-e0f0aad60523 none swap sw 0 0
/dev/sr0 /media/sr0 udf,iso9660 noauto,ro,users,noexec

I also did: #mkdir /media/sr0

At this point, I could play audio CDs: inserted disks would open up the default multimedia program and an icon would appear on my desktop indicating the presence of the disk. But only for CDs: DVDs still won't play and no icon appears on my desktop. I ran VLC and tried to play the disk and I got the following error:

Your input can't be opened:
VLC is unable to open the MRL 'dvd:///dev/sr0'. Check the log for details.

dmesg said:

[11504.242704] sr: ASC=0x9 <<vendor>> ASCQ=0x90
[11504.312577] sr0: CDROM (ioctl) error, command: Read TOC/PMA/ATIP 43 00 00 00 00 00 00 00 0c 00
[11504.312598] sr: Sense Key : Hardware Error [current]
[11504.312603] sr: ASC=0x9 <<vendor>> ASCQ=0x90
[11504.412438] sr0: CDROM (ioctl) error, command: Read TOC/PMA/ATIP 43 00 00 00 00 00 00 00 0c 00
[11504.412457] sr: Sense Key : Hardware Error [current]
[11504.412463] sr: ASC=0x9 <<vendor>> ASCQ=0x90
[11504.452400] sr0: CDROM (ioctl) error, command: Read DVD structure ad 00 00 00 00 00 00 01 00 08 00 00
[11504.452418] sr: Sense Key : Hardware Error [current]
[11504.452423] sr: ASC=0x9 <<vendor>> ASCQ=0x90

The relevant part of the output of lshw looks like this:

           *-cdrom
                description: DVD-RAM writer
                product: UJ-810
                vendor: MATSHITA
                physical id: 1
                bus info: scsi@1:0.0.0
                logical name: /dev/cdrom
                logical name: /dev/cdrw
                logical name: /dev/dvd
                logical name: /dev/dvdrw
                logical name: /dev/scd0
                logical name: /dev/sr0
                version: C104
                capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
                configuration: ansiversion=5 status=ready
              *-medium
                   physical id: 0
                   logical name: /dev/cdrom

Does anyone have any idea where to look next or what to do next? Are there any other files or other information about my setup I ought to provide to the forum?

Could it be a permissions issue?

Thanks in advance!

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GREG T. (ubuntuer) said : 		#1

i ask about dual boot with ubuntu and mint 8 a couple of days ago an person told flat out that mint was not supported here . so your chances of getting any help are slim . try some of the forums listed in recently book marks of your browser. hope this helps ..

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Vikram Dhillon (dhillon-v10) said : 		#2

First of all trying using a different CD/DVD it could be just a disk issue :) after that once you do put the cd in go to the terminal and then type in the following:

cd / # takes you to root

cd media

then cd whatever your DVD is and try to see if you can access file from there, like maybe try a text file like this: vi text_file then press q, if this step works that mean you can access file from external media, its just a codec issue otherwise we have a problem :)

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