Some further investigation... It sure appears to me that hwe-t kernel was probably never supported with this system (at least that disk).
** Attachment added: "lshw run in trusty with hwe-t" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1683919/+attachment/4864448/+files/lshw-hwe-t -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1683919 Title: installation fails with trusty and hwe-t kernel To manage notifications about this bug go to: https://bugs.launchpad.net/curtin/+bug/1683919/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs