I've not found a positive match, but this MIGHT be related to the following upstream bug.
https://bugzilla.kernel.org/show_bug.cgi?id=112121 ** Bug watch added: Linux Kernel Bug Tracker #112121 http://bugzilla.kernel.org/show_bug.cgi?id=112121 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1641322 Title: frequently lost connection to nvme To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1641322/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
