Comment 7 for bug 1699004

I installed the kernel you linked to and set the kernel parameter.
On first boot the system immediately crashed with I/O errors upon login.
After reboot I could run the commands:

$ dmesg | grep -i nvme
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.12.0-041200rc5-generic root=UUID=365f1a9c-9598-4ad5-a387-d02f771767a1 ro quiet splash nvme_core.default_ps_max_latency_us=0 nvme_core.dyndbg=+p vt.handoff=7
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.12.0-041200rc5-generic root=UUID=365f1a9c-9598-4ad5-a387-d02f771767a1 ro quiet splash nvme_core.default_ps_max_latency_us=0 nvme_core.dyndbg=+p vt.handoff=7
[ 2.225100] nvme nvme0: pci function 0000:04:00.0
[ 2.441319] nvme0n1: p1 p2
[ 4.220749] EXT4-fs (nvme0n1p2): mounted filesystem with ordered data mode. Opts: (null)
[ 4.411077] EXT4-fs (nvme0n1p2): re-mounted. Opts: errors=remount-ro

$ sudo nvme get-feature -f 0x0c -H /dev/nvme0
get-feature:0xc (Autonomous Power State Transition), Current value:0x000001
 Autonomous Power State Transition Enable (APSTE): Enabled
 Auto PST Entries .................
 Entry[ 0]
 .................
 Idle Time Prior to Transition (ITPT): 50 ms
 Idle Transition Power State (ITPS): 4
 .................
 Entry[ 1]
 .................
 Idle Time Prior to Transition (ITPT): 50 ms
 Idle Transition Power State (ITPS): 4
 .................
 Entry[ 2]
 .................
 Idle Time Prior to Transition (ITPT): 50 ms
 Idle Transition Power State (ITPS): 4
 .................
 Entry[ 3]
 .................
 Idle Time Prior to Transition (ITPT): 10000 ms
 Idle Transition Power State (ITPS): 5
 .................
 Entry[ 4]
 .................
 Idle Time Prior to Transition (ITPT): 10000 ms
 Idle Transition Power State (ITPS): 5
 .................
 Entry[ 5]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 5
 .................
 Entry[ 6]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[ 7]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[ 8]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[ 9]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[10]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[11]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[12]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[13]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[14]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[15]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[16]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[17]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[18]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[19]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[20]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[21]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[22]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[23]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[24]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[25]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[26]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[27]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[28]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[29]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[30]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
 Entry[31]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................