Hi! I have similar issue as described in topic. I have two drives, one primary SSD and second HDD inside DVD enclosure.
Both drives works fine until kernel version 4.15.0-rc4 (exact commit https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a83cb7e6ada140f8b932c223511f1063c4150870) Removing added "return -EINVAL;" in sata_down_spd_limit function fixes the problem. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1783906 Title: Linux 4.15 and onwards fails to initialize some hard drives To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1783906/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs