Comment 4 for bug 1714505

grr, please note line wrap in above comment; script should be:

#!/bin/bash
MOD_DIR=/lib/modules/$( uname -r )/kernel/drivers/nvme/host
modprobe -rq nvme
mv $MOD_DIR/nvme.ko .
depmod -a
sleep 3
udevadm trigger
sleep 1
mv nvme.ko $MOD_DIR/
depmod -a
grep -q nvme /proc/partitions \
  && echo FAIL nvme driver still loaded unmount all nvme partitions \
  && exit 1
udevadm trigger
sleep 3
grep -q nvme /proc/partitions && echo PASS || echo FAIL