You have been subscribed to a public bug: It looks like the Ubuntu 16.04 took the nvme driver from 4.5 kernel, but is missing some critical block updates that it was depending on. Specifically this one moving the timeout handler to a work queue instead of a irq context timer task:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=287922eb0b186e2a5bf54fdd04b734c25c90035c This mismatch causes lots of warnings and errors during recovery from failure. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: bot-comment -- linux-kernel: Freeing IRQ from IRQ context https://bugs.launchpad.net/bugs/1597908 You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp