Public bug reported:
Hi,
I am current on Intrepid with all the latest updates. I encountered a
problem when I tried to burn data disk. The blank DVD is not recognized
at all. I tried both 2.6.27-9-generic and 2.6.27-11-generic, both
doesn't work. Only happen to blank DVD, data disk has no problem reading
at all. Tried google but no avail.
========= lshw =========================================================
*-cdrom
description: DVD-RAM writer
product: DVD-RAM UJ-841S
vendor: MATSHITA
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
version: 1.21
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
============ /var/log/syslog
================================================
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386360] end_request: I/O error,
dev sr0, sector 0
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386377] __ratelimit: 54
callbacks suppressed
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386383] Buffer I/O error on
device sr0, logical block 0
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386393] Buffer I/O error on
device sr0, logical block 1
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386399] Buffer I/O error on
device sr0, logical block 2
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386405] Buffer I/O error on
device sr0, logical block 3
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386411] Buffer I/O error on
device sr0, logical block 4
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386417] Buffer I/O error on
device sr0, logical block 5
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386423] Buffer I/O error on
device sr0, logical block 6
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386430] Buffer I/O error on
device sr0, logical block 7
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386439] Buffer I/O error on
device sr0, logical block 8
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386445] Buffer I/O error on
device sr0, logical block 9
Jan 25 23:23:55 Ephemeral-Dream kernel: [ 843.386528] sr 1:0:0:0: [sr0]
unaligned transfer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
Can't open/burn blank DVD
https://bugs.launchpad.net/bugs/321174
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