Re: DVD Drive won't read DVD discs. Weird dmesg log.
- From: Fred Weigel <fred_weigel@xxxxxxxxxxx>
- Date: Fri, 4 Jul 2008 02:06:05 +0200 (CEST)
Jencha <file@xxxxx> wrote:
I am guessing that you are trying to play DVDs. That is, movies.
Further, that these are "legal" purchased or rented DVDs.
If its a data DVD, you have a problem -- it's either a bad disc, or
player. But, from the output, it doesn't look that way.
It looks like you are running into "DVD copy protection" (not CSS).
Ignore the problem - mplayer, xine, mythtv (with libdecss installed)
will play your movie just fine. You just can't access it as a "data
DVD", which is what you seem to be doing.
The DVD is actually slightly malformed, and is causing the data read to
read parts of the disc which just aren't there.
Load up Mythtv, it has a good DVD player and ripper. Should take you to
that good place, where DVDs can be ripped, and it never rains.
Or something.
Hello. Problem is simple - can't read DVD discs (actually i can mount.
them, i can list files, but i`t wont work further). It`s new (2nd one
already, thought, that 1st had a deffect or what). It's a Samsung SATA
rom.
This is not a codec problem.
Info about the machine:
:~$ uname -rvoim
2.6.24-19-generic #1 SMP Wed Jun 18 14:43:41 UTC 2008 i686 unknown GNU/
Linux
(just updated, using Ubuntu 8.04, fresh one)
When my cdrom mounts, it outputs following stuff on dmesg:
[ 149.243098] UDF-fs: Partition marked readonly; forcing readonly
mount
[ 149.270674] UDF-fs INFO UDF 0.9.8.1 (2004/29/09) Mounting volume
'PI3LP3W1', timestamp 2007/10/05 07:14 (10b4)
[ 150.921083] end_request: I/O error, dev sr0, sector 460164
[ 150.921089] Buffer I/O error on device sr0, logical block 115041
[ 150.921096] Buffer I/O error on device sr0, logical block 115042
[ 150.921099] Buffer I/O error on device sr0, logical block 115043
[ 150.921102] Buffer I/O error on device sr0, logical block 115044
[ 150.921105] Buffer I/O error on device sr0, logical block 115045
[ 150.921108] Buffer I/O error on device sr0, logical block 115046
[ 150.921111] Buffer I/O error on device sr0, logical block 115047
[ 150.921114] Buffer I/O error on device sr0, logical block 115048
[ 150.921116] Buffer I/O error on device sr0, logical block 115049
[ 150.921120] Buffer I/O error on device sr0, logical block 115050
[ 150.979586] end_request: I/O error, dev sr0, sector 460880
[ 151.009564] end_request: I/O error, dev sr0, sector 460880
[ 164.848340] end_request: I/O error, dev sr0, sector 15841200
[ 164.848345] printk: 41 messages suppressed.
[ 164.848348] Buffer I/O error on device sr0, logical block 3960300
[ 164.848352] Buffer I/O error on device sr0, logical block 3960301
[ 164.871256] end_request: I/O error, dev sr0, sector 15841200
[ 167.319713] end_request: I/O error, dev sr0, sector 15841200
[ 167.319719] printk: 2 messages suppressed.
[ 167.319722] Buffer I/O error on device sr0, logical block 3960300
[ 167.383613] end_request: I/O error, dev sr0, sector 15841200
[ 170.856672] end_request: I/O error, dev sr0, sector 460880
Other stuff about cdrom (it shows 2nd (IDE) cdrom also, which i tested
and it didnt read anything, thou it reads that disc on the other -
windows machine. Don't know why it shows up there, because i de-
attached it already.):
[ 18.380896] ata3.01: configured for UDMA/100
[ 18.546738] scsi 2:0:0:0: Direct-Access ATA SAMSUNG HD403LJ CT10 PQ:
0 ANSI: 5
[ 18.547440] scsi 2:0:1:0: CD-ROM TSSTcorp CDDVDW SH-S203P SB00 PQ: 0
ANSI: 5
[ 18.554528] Driver 'sd' needs updating - please use bus_type methods
[ 18.554569] sd 2:0:0:0: [sda] 781422768 512-byte hardware sectors
(400088 MB)
[ 18.554576] sd 2:0:0:0: [sda] Write Protect is off
[ 18.554578] sd 2:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 18.554588] sd 2:0:0:0: [sda] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 18.554619] sd 2:0:0:0: [sda] 781422768 512-byte hardware sectors
(400088 MB)
[ 18.554625] sd 2:0:0:0: [sda] Write Protect is off
[ 18.554627] sd 2:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 18.554637] sd 2:0:0:0: [sda] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 18.554639] sda:<4>Driver 'sr' needs updating - please use bus_type
methods
[ 18.585801] sda1 sda2 < sda5 >
[ 18.604858] sd 2:0:0:0: [sda] Attached SCSI disk
[ 18.607852] sd 2:0:0:0: Attached scsi generic sg0 type 0
[ 18.607874] sr 2:0:1:0: Attached scsi generic sg1 type 5
[ 18.610563] sr0: scsi3-mmc drive: 48x/48x writer dvd-ram cd/rw xa/
form2 cdda tray
[ 18.610565] Uniform CD-ROM driver Revision: 3.20
[ 18.610593] sr 2:0:1:0: Attached scsi CD-ROM sr0
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