Ubuntu 18.04 NVMe disks are not showed up in /dev/disk/by-path (NVMe / Bolt )

[bugproxy]

== Comment: #0 - NAVEED A. UPPINANGADY SALIH
+++ This bug was initially created as a clone of Bug #164830 +++

---Problem Description---
Follow up bug of Bug 164830 - LP1758205- Ubuntu 18.04 NVMe disks are not showed up in /dev/disk/by-path (NVMe / Bolt )

---uname output---
4.15.0-23-generic

---Additional Hardware Info---
0003:01:00.0 Non-Volatile memory controller [0108]: Samsung Electronics Co Ltd

Machine Type =

---Debugger---
A debugger is not configured

---Steps to Reproduce---
  1> install Ubuntu 18.04 on AC922 system
2> make sure Bolt adapter is present in the system
0003:01:00.0 Non-Volatile memory controller [0108]: Samsung Electronics Co Ltd NVMe SSD Controller 172Xa [144d:a822] (rev 01)

3> create name space using following script
#!/bin/bash

device=/dev/nvme0
echo $device

nvme format $device

nvme set-feature $device -f 0x0b --value=0x0100

nvme delete-ns $device -n 0xFFFFFFFF
sleep 5
nvme list

nvme get-log $device -l 200 -i 4

max=`nvme id-ctrl $device | grep ^nn | awk '{print $NF}'`

for i in $(eval echo {1..$max})
do
    echo $i
    nvme create-ns $device --nsze=7000000 --ncap=7000000 --flbas=0 --dps=0
    nvme attach-ns $device --namespace-id=$i --controllers=`nvme list-ctrl $device | awk -F: '{print $2}'`
    sleep 2
    nvme get-log $device -l 200 -i 4
    sleep 2
done
nvme list

4> run #nvme ns-rescan /dev/nvme0 ; #ls -lh /dev/disk/by-path/*

Userspace tool common name: NA

Userspace rpm: NA

The userspace tool has the following bit modes: NA

Userspace tool obtained from project website: na

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[Ubuntu Foundations Team Bug Bot (crichton)]

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