Buffer I/O error on device sr0, logical block 0

I check today some old CDs, some of them were from ’90 so of course they didn’t work. With one of them was a problem with reading… and ejecting CD-ROM. My PC wasn’t able to eject the CD even calling this command from root:

didn’t work.

DMESG said:

The CD wasn’t mounted, there was only a thread for the device, which wasn’t even mounted (I also wasn’t able to mount it from root):

Solution:

Worked for me!

05-11 09:42