Please test this kernel and let me know whether it fixes your problem. Thanks!
http://people.canonical.com/~sforshee/lp1678184/linux-4.10.0-16.18+lp1678184v201704030935/ ** Changed in: linux (Ubuntu) Status: In Progress => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1678184 Title: APST quirk needed for Samsung 512GB NVMe drive To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1678184/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs