Rebooted and tried Compatibility mode instead of AHCI. No difference, except that it was ata2 instead of ata4 when the error appeared on the console.
-- Removing modular bay drive causes system freeze https://bugs.launchpad.net/bugs/12519 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs