问题：CD 驱动器无法工作/安装。当我插入 CD 时，文件管理器没有任何反应。eject终端中的命令不起作用。我对在 Ubuntu 中设置硬件了解不多。到目前为止，一切都从一开始就运行良好。这不是我第一次处理这个问题。我一直无法解决它，我想，我在创建安装点时搞砸了什么？
系统：联想 T430s，英特尔 i5，Ubuntu 18.04
andi@andi-ThinkPad-T430s:~$ sudo lshw -C disk
[sudo] password for andi:
*-disk
description: ATA Disk
product: Samsung SSD 840
physical id: 0.0.0
bus info: scsi@0:0.0.0
logical name: /dev/sda
version: 6B0Q
serial: S14GNEACA39356R
size: 232GiB (250GB)
capabilities: partitioned partitioned:dos
configuration: ansiversion=5 logicalsectorsize=512 sectorsize=512 signature=ad175e01
*-cdrom
description: DVD-RAM writer
product: DVD-RAM UJ8B2
vendor: MATSHITA
physical id: 0.0.0
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/sr0
version: SB01
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
尝试安装它：
andi@andi-ThinkPad-T430s:~$ sudo mkdir /media/cdrom
andi@andi-ThinkPad-T430s:~$ sudo mount /dev/sr0 /media/cdrom/
mount: /media/cdrom: no medium found on /dev/sr0.
andi@andi-ThinkPad-T430s:~$ sudo mount /dev/cdrom /media/cdrom/
mount: /media/cdrom: can't read superblock on /dev/sr0.
andi@andi-ThinkPad-T430s:~$ sudo mount /dev/dvd /media/cdrom/
mount: /media/cdrom: no medium found on /dev/sr0.
andi@andi-ThinkPad-T430s:~$ sudo mount /dev/sr0/ /media/cdrom/
mount: /media/cdrom: special device /dev/sr0/ does not exist (a path prefix is not a directory).
andi@andi-ThinkPad-T430s:~$ sudo mount /dev/sr0/ /media/cdrom
mount: /media/cdrom: special device /dev/sr0/ does not exist (a path prefix is not a directory).
andi@andi-ThinkPad-T430s:~$ sudo mount /dev/sr0 /media/cdrom
Wodim输出：
andi@andi-ThinkPad-T430s:/dev$ wodim --devices
wodim: No such file or directory.
Cannot open SCSI driver!
For possible targets try 'wodim --devices' or 'wodim -scanbus'.
For possible transport specifiers try 'wodim dev=help'.
For IDE/ATAPI devices configuration, see the file README.ATAPI.setup from
the wodim documentation.
andi@andi-ThinkPad-T430s:/dev$ wodim -checkdrive
Device was not specified. Trying to find an appropriate drive...
Detected CD-R drive: /dev/cdrw
Using /dev/cdrom of unknown capabilities
Device type : Removable CD-ROM
Version : 5
Response Format: 2
Capabilities :
Vendor_info : 'MATSHITA'
Identification : 'DVD-RAM UJ8B2 '
Revision : 'SB01'
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
wodim: Cannot load media with this drive!
wodim: Try to load media by hand.
Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr).
Driver flags : MMC-3 SWABAUDIO BURNFREE
Supported modes: TAO PACKET SAO RAW/R16 RAW/R96P RAW/R96R
/dev 目录：
andi@andi-ThinkPad-T430s:/media$ cd /dev/
andi@andi-ThinkPad-T430s:/dev$ ls
autofs loop1 rfkill tty37 ttyS20
block loop10 rtc tty38 ttyS21
bsg loop11 rtc0 tty39 ttyS22
btrfs-control loop12 sda tty4 ttyS23
bus loop13 sda1 tty40 ttyS24
cdrom loop14 sg0 tty41 ttyS25
cdrw loop15 sg1 tty42 ttyS26
char loop16 shm tty43 ttyS27
console loop17 snapshot tty44 ttyS28
core loop18 snd tty45 ttyS29
cpu loop19 sr0 tty46 ttyS3
cpu_dma_latency loop2 stderr tty47 ttyS30
cuse loop20 stdin tty48 ttyS31
disk loop21 stdout tty49 ttyS4
dm-0 loop22 tpm0 tty5 ttyS5
dm-1 loop23 tty tty50 ttyS6
dri loop24 tty0 tty51 ttyS7
drm_dp_aux0 loop25 tty1 tty52 ttyS8
drm_dp_aux1 loop26 tty10 tty53 ttyS9
drm_dp_aux2 loop27 tty11 tty54 ubuntu-vg
dvd loop3 tty12 tty55 uhid
dvdrw loop4 tty13 tty56 uinput
ecryptfs loop5 tty14 tty57 urandom
fb0 loop6 tty15 tty58 userio
fd loop7 tty16 tty59 v4l
full loop8 tty17 tty6 vcs
fuse loop9 tty18 tty60 vcs1
hpet loop-control tty19 tty61 vcs2
hugepages mapper tty2 tty62 vcs3
hwrng mcelog tty20 tty63 vcs4
i2c-0 media0 tty21 tty7 vcs5
i2c-1 mei0 tty22 tty8 vcs6
i2c-2 mem tty23 tty9 vcsa
i2c-3 memory_bandwidth tty24 ttyprintk vcsa1
i2c-4 mqueue tty25 ttyS0 vcsa2
i2c-5 net tty26 ttyS1 vcsa3
i2c-6 network_latency tty27 ttyS10 vcsa4
i2c-7 network_throughput tty28 ttyS11 vcsa5
i2c-8 null tty29 ttyS12 vcsa6
i2c-9 nvram tty3 ttyS13 vfio
initctl port tty30 ttyS14 vga_arbiter
input ppp tty31 ttyS15 vhci
kmsg psaux tty32 ttyS16 vhost-net
kvm ptmx tty33 ttyS17 vhost-vsock
lightnvm ptp0 tty34 ttyS18 video0
log pts tty35 ttyS19 zero
loop0 random tty36 ttyS2
进一步的输出：
andi@andi-ThinkPad-T430s:/dev$ lsmod | grep sr_mod
andi@andi-ThinkPad-T430s:/dev$ lsmod | grep sg
andi@andi-ThinkPad-T430s:/dev$ ls -l /dev/sr0
brw-rw----+ 1 root cdrom 11, 0 Dez 30 14:21 /dev/sr0
感谢您的帮助并祝大家新年快乐:)
答案1
我也遇到这个问题。我的 18.04 设置无法识别音频 CD。即使我打开 VLC 媒体播放器并手动指示它播放，也只会收到错误。