/var/log/messages says: Jan 7 11:44:25 debian-ryzen kernel: [ 3454.212972] sr 1:0:0:0: [sr0] tag#7 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Jan 7 11:44:25 debian-ryzen kernel: [ 3454.212975] sr 1:0:0:0: [sr0] tag#7 Sense Key : Not Ready [current] Jan 7 11:44:25 debian-ryzen kernel: [ 3454.212977] sr 1:0:0:0: [sr0] tag#7 Add. Sense: Medium not present - tray closed Jan 7 11:44:25 debian-ryzen kernel: [ 3454.212980] sr 1:0:0:0: [sr0] tag#7 CDB: Read(10) 28 00 00 00 00 00 00 00 08 00 Jan 7 11:44:25 debian-ryzen kernel: [ 3454.213023] sr 1:0:0:0: [sr0] tag#8 unaligned transfer Jan 7 11:44:25 debian-ryzen kernel: [ 3454.213037] sr 1:0:0:0: [sr0] tag#9 unaligned transfer Jan 7 11:44:25 debian-ryzen kernel: [ 3454.213047] sr 1:0:0:0: [sr0] tag#10 unaligned transfer Jan 7 11:44:25 debian-ryzen kernel: [ 3454.213057] sr 1:0:0:0: [sr0] tag#11 unaligned transfer Jan 7 11:44:25 debian-ryzen kernel: [ 3454.213066] sr 1:0:0:0: [sr0] tag#12 unaligned transfer Jan 7 11:44:25 debian-ryzen kernel: [ 3454.213075] sr 1:0:0:0: [sr0] tag#13 unaligned transfer Jan 7 11:44:25 debian-ryzen kernel: [ 3454.213084] sr 1:0:0:0: [sr0] tag#14 unaligned transfer Jan 7 11:44:25 debian-ryzen kernel: [ 3454.213093] sr 1:0:0:0: [sr0] tag#15 unaligned transfer