'nvme nvmeX: Could not set queue count (16390)'

Solution Verified - Updated -

Issue

  • Error reported during setting up queue count for nvme device

    [    4.095342] nvme nvme0: Could not set queue count (16390)
    [    4.095344] nvme nvme0: IO queues not created
    
  • In the output of 'nvme list-subsys' we can see the affected device marked as 'only-admin':

    # nvme list-subsys
    nvme-subsys0 - NQN=nqn.2014.08.org.nvmexpress:<rest of NQN>  Dell Express Flash NVMe P4610 3.2TB SFF
    \
    +- nvme0 pcie 0000:04:00.0 only-admin
    nvme-subsys1 - NQN=nqn.2014.08.org.nvmexpress:<rest of NQN>  Dell Express Flash NVMe P4610 3.2TB SFF
    [...]
    

Environment

  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 7
    • NVMe disk

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