This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1961439

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1961439

Title:
  nvme - duplicate cntlid

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  lsb_release  -r
  Release:      21.10

  
  uname -r
  5.13.0-28-generic

  
  sudo dmesg | grep nvme
  [    2.213011] nvme 0000:01:00.0: platform quirk: setting simple suspend
  [    2.213050] nvme nvme0: pci function 0000:01:00.0
  [    2.213073] nvme 0000:04:00.0: platform quirk: setting simple suspend
  [    2.213102] nvme nvme1: pci function 0000:04:00.0
  [    2.264504] nvme nvme0: allocated 64 MiB host memory buffer.
  [    2.264525] nvme nvme1: Duplicate cntlid 1 with nvme0, rejecting
  [    2.264527] nvme nvme1: Removing after probe failure status: -22
  [    2.282402] nvme nvme0: 8/0/0 default/read/poll queues

  
  lspci
  ...
  01:00.0 Non-Volatile memory controller: Device 1d79:2263 (rev 03)
  ...
  04:00.0 Non-Volatile memory controller: Device 1d79:2263 (rev 03)

  
  lspci -k
  ...
  01:00.0 Non-Volatile memory controller: Device 1d79:2263 (rev 03)
        Subsystem: Device 1d79:2263
        Kernel driver in use: nvme
        Kernel modules: nvme
  ...
  04:00.0 Non-Volatile memory controller: Device 1d79:2263 (rev 03)
        Subsystem: Device 1d79:2263
        Kernel modules: nvme

  
  There are two physically connected disks. One of the disks is not available 
in the system.

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