The tell-tale sign is the following repeated output in dmesg: [ 478.477931] ata3.00: configured for PIO0 [ 483.532822] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 483.542269] ata3.00: configured for PIO0 [ 486.564367] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300) ... repeats forever ...
Booting back to 5.4.0-99 allows the drive to work. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1970136 Title: Optical drive no longer usable after upgrading to kernel v5.4.0-100 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1970136/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
