It seems like I have the problem, too.
It took me ages and a stack of DVD and CD coasters to install Ubuntu in
the first place, because my system didn't finish the install process
regardless of the medium used (because of read errors). All DVDs and
CDs turned out okay in a different machine, though. The only way that
worked for me for installing Ubuntu was a USB stick configured using
unetbootin.
The Ubuntu version installed is 9.04, the kernel being Linux version
2.6.28-14-generic (bui...@yellow) (gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4) )
#47-Ubuntu SMP Sat Jul 25 01:19:55 UTC 2009
The system is a Dell Inspiron 531, AMD Athlon(tm) 64 X2 Dual Core Processor
5600+, the DVD drive is an Optiarc DVD+-RW AD-5170S 101B:
*-cdrom
description: DVD writer
product: DVD+-RW AD-5170S
vendor: Optiarc
physical id: 1
bus info: s...@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
logical name: /media/cdrom0
version: 101B
serial: [Optiarc DVD+-RW AD-5170S101B Jan29,2007
capabilities: removable audio cd-r cd-rw dvd dvd-r
configuration: ansiversion=5 mount.fstype=udf
mount.options=ro,nosuid,nodev,utf8 state=mounted status=ready
*-medium
physical id: 0
logical name: /dev/cdrom
logical name: /media/cdrom0
configuration: mount.fstype=udf
mount.options=ro,nosuid,nodev,utf8 state=mounted
The dmesg output during the (failing) attempt at reading a DVD is:
[ 107.291994] end_request: I/O error, dev sr0, sector 302112
[ 107.291998] Buffer I/O error on device sr0, logical block 75528
[ 107.292001] Buffer I/O error on device sr0, logical block 75529
[ 107.292004] Buffer I/O error on device sr0, logical block 75530
[ 107.292006] Buffer I/O error on device sr0, logical block 75531
Funnily, audio CDs work just great. What amazes me slightly is that VLC
actually managed to get some video off the DVD but no audio. Totem
failed completely.
I already installed the most recent BIOS version 1.0.13. The kernel is
32bit, the system 64bit but other than the DVD drive everything else is
working perfectly.
--
Buffer I/O error on device sr0 Logical Block XXXXXX in Intrepid Ibex Alpha 5
https://bugs.launchpad.net/bugs/266951
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