0 Replies Latest reply on Jun 11, 2018 3:14 AM by pharthiphan

    mlx5_core enable hca failed, mlx5_load_one failed with error code -22

    pharthiphan

      I have two physical cards each with two ports but only one Physical card is getting enabled and getting following error on the dmesg

       

      mlx5_core enable hca failed, mlx5_load_one failed with error code -22

       

      # for i in $(lspci | grep Mellanox | awk '{print $1}'); do echo $i; lspci -vv -s $i | grep "Part number" -A 3; done

      03:00.0

                              [PN] Part number: MCX456A-ECAT

                              [EC] Engineering changes: A4

                              [SN] Serial number: MT1514X00006

                              [V0] Vendor specific: PCIeGen3 x16

      03:00.1

                              [PN] Part number: MCX456A-ECAT

                              [EC] Engineering changes: A4

                              [SN] Serial number: MT1514X00006

                              [V0] Vendor specific: PCIeGen3 x16

      90:00.0

                              [PN] Part number: MCX456A-ECAT

                              [EC] Engineering changes: A8

                              [SN] Serial number: MT1621K00548

                              [V0] Vendor specific: PCIeGen3 x16

      90:00.1

                              [PN] Part number: MCX456A-ECAT

                              [EC] Engineering changes: A8

                              [SN] Serial number: MT1621K00548

                              [V0] Vendor specific: PCIeGen3 x16

      #

       

      $ lspci | grep Mellanox

      03:00.0 Infiniband controller: Mellanox Technologies MT27700 Family [ConnectX-4]

      03:00.1 Infiniband controller: Mellanox Technologies MT27700 Family [ConnectX-4]

      90:00.0 Infiniband controller: Mellanox Technologies MT27700 Family [ConnectX-4]

      90:00.1 Infiniband controller: Mellanox Technologies MT27700 Family [ConnectX-4]

      [pasokan@sn18 ~]$

       

      $ ibstat

      CA 'mlx5_0'

              CA type: MT4115

              Number of ports: 1

              Firmware version: 12.22.1002

              Hardware version: 0

              Node GUID: 0x248a0703001cdfd4

              System image GUID: 0x248a0703001cdfd4

              Port 1:

                      State: Active

                      Physical state: LinkUp

                      Rate: 56

                      Base lid: 128

                      LMC: 0

                      SM lid: 1

                      Capability mask: 0x2651e848

                      Port GUID: 0x248a0703001cdfd4

                      Link layer: InfiniBand

      CA 'mlx5_1'

              CA type: MT4115

              Number of ports: 1

              Firmware version: 12.22.1002

              Hardware version: 0

              Node GUID: 0x248a0703001cdfd5

              System image GUID: 0x248a0703001cdfd4

              Port 1:

                      State: Active

                      Physical state: LinkUp

                      Rate: 56

                      Base lid: 129

                      LMC: 0

                      SM lid: 1

                      Capability mask: 0x2651e848

                      Port GUID: 0x248a0703001cdfd5

                      Link layer: InfiniBand

      $