This appears to be a regression in the HPSA driver. In the 4.13 kernel, the following hpsa output is seen:
https://paste.ubuntu.com/p/Bq9ktJWtBm/ And the HW RAID volume ends up as /dev/sda. In 4.15, the HW RAID is not found and one of the SSD volumes ends up as /dev/sda/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1766770 Title: 4.15.0-15-generic can't find root device To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1766770/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
