Steve, I guess LP: #1746340 is the same as this one. Can you try this kernel with "nvme_core.force_apst=1"? I want to know if a PCI reset for NVMe after resume can solve the issue.
people.canonical.com/~khfeng/lp1746340-2/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1705748 Title: Samsung SSD 960 EVO 500GB refused to change power state To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1705748/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs