Public bug reported:
I installed Ubuntu 20.04 LTS on two ThinkStation S30 machines today, and
seeing the same problem on both. So, it's not a machine specific
hardware issue. After booting up, I can't read any DVDs. I tried
multiple DVDs on both machines, and on a third machine where I am able
to read them. So, it's not a media issue either. Here are some
additional details
$ cat /etc/group | grep cdrom
cdrom:x:24:vipin
So, I am a member of the cdrom group
$ pwd
/dev
$ ls -l cdrom dvd dvdrw sr0
lrwxrwxrwx 1 root root 3 Jan 27 23:46 cdrom -> sr0
lrwxrwxrwx 1 root root 3 Jan 27 23:46 dvd -> sr0
lrwxrwxrwx 1 root root 3 Jan 27 23:46 dvdrw -> sr0
brw-rw----+ 1 root cdrom 11, 0 Jan 27 23:46 sr0
$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 55M 1 loop /snap/core18/1705
loop1 7:1 0 240.8M 1 loop /snap/gnome-3-34-1804/24
loop2 7:2 0 49.8M 1 loop /snap/snap-store/433
loop3 7:3 0 27.1M 1 loop /snap/snapd/7264
loop4 7:4 0 62.1M 1 loop /snap/gtk-common-themes/1506
sda 8:0 0 238.5G 0 disk
├─sda1 8:1 0 512M 0 part
├─sda2 8:2 0 514M 0 part /boot/efi
├─sda3 8:3 0 1K 0 part
└─sda5 8:5 0 237.5G 0 part /
sr0 11:0 1 1024M 0 rom
$ sudo mount -t iso9660 /dev/sr0 /mnt/dvdrw
mount: /mnt/dvdrw: no medium found on /dev/sr0.
As can be seen sr0 is recognized as a block device, but is not mounted.
When I try to mount it (also tried without -t), I get an error that no
medium was found.
Saw some posts about potentially changing the SATA ports on the
motherboard. That's not a domain I wish to enter if I can avoid.
Appreciate any help.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: mount 2.34-0.1ubuntu9.1
ProcVersionSignature: Ubuntu 5.13.0-27.29~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-27-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Jan 27 23:55:09 2022
InstallationDate: Installed on 2022-01-28 (0 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: util-linux
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1959371
Title:
Unable to access DVD player on Desktop
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