Linux CD / DVD Locked and Drive Is Not Opening / Ejecting CD

I‘ve Ubuntu Linux Installed on HP Desktop system. When I press the eject button my DVD / CD ROM nothing happens. Linux is not ejecting my CD/DVD and I had to reboot my computer to just get CD/DVD out of drive. How do I fix this issue?

You don’t have to reboot the system to just eject CD / DVD from drive. Sometime Linux locks down your CD / DVD if a process reading / accessing file / directory on that DVD / CD.

Getting Your CD/DVD Out Of Drive

Simply right click on CD / DVD icon and select Eject / Unmount option. Press eject button to get the cd/dvd out. If this failed, try following method to eject the cd:

Find Out CD/DVD drive mount location

Run df or mount command to find out location, enter the following at terminal / shell prompt:
$ df
Sample output:

Filesystem            Size  Used Avail Use% Mounted on
/dev/sda2              92G   22G   66G  25% /
varrun               1013M  140K 1013M   1% /var/run
varlock              1013M     0 1013M   0% /var/lock
udev                 1013M   88K 1013M   1% /dev
devshm               1013M     0 1013M   0% /dev/shm
lrm                  1013M   34M  979M   4% /lib/modules/2.6.22-14-generic/volatile
/dev/sda1              98G   19G   79G  20% /media/sda1
/dev/sda5             274G  185G   89G  68% /share
/dev/scd0             3.5G  3.5G     0 100% /media/cdrom0

In this example, my CD / DVD device name is /dev/scd0 and mounted under /media/cdrom0. Now issue the following command as root user:

Warning: Following command may result into data loss. Sometime fuser command will kill all process on the system. You have been warned.

$ sudo fuser -km /media/cdrom0
# fuser -km /media/cdrom0

Now you may able to eject CD or DVD from the drive.

See also

Related: See How to forcefully remove unmount a Linux disk partition / device using lsof and fuser command.

Posted by: SXI ADMIN

The author is the creator of SXI LLC and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Get the latest tutorials on SysAdmin, Linux/Unix and open source topics via RSS/XML feed or weekly email newsletter.

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