I too have experienced this issue (Dell Precision 5510, Samsung PM951 512GB). I am now running the Kernel from Kai-Heng Feng (Posting #61) since about 4.5h with no troubles. I'll let the machine run downloads through the night, if it crashes I will report back. For now the fix seems to work.
-- 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