[dpdk-users] Unable to recognize master/representor on the multiple IB devices

[Asaf Penso]

Hello Sankalpa,

Are you seeing this with testpmd? If so can you provide the command line?
If not, can you provide the EAL parameters and the devargs used?

Regards,
Asaf Penso

>-----Original Message-----
>From: users <users-bounces at dpdk.org> On Behalf Of Sankalpa Timilsina
>Sent: Saturday, May 22, 2021 8:58 PM
>To: users at dpdk.org
>Subject: [dpdk-users] Unable to recognize master/representor on the
>multiple IB devices
>
> Hi, I am getting a DPDK MLX5 probing issue.
>
>   1. I have installed the mlx5/ofed driver
>   2. I have loaded the kernel modules.
>
>EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
>EAL: Selected IOVA mode 'PA'
>EAL: No available hugepages reported in hugepages-2048kB
>EAL: Probing VFIO support...
>EAL: Probe PCI driver: mlx5_pci (15b3:1013) device: 0000:5e:00.0 (socket 0)
>mlx5_pci: unable to recognize master/representors on the multiple IB devices
>common_mlx5: Failed to load driver = mlx5_pci.
>
>EAL: Requested device 0000:5e:00.0 cannot be used
>EAL: Bus (pci) probe failed.
>
>As for the 'failing to load mlx5_pci' driver, I can see that the mlx5_core driver is
>loaded.
>
>dpdk-devbind.py -s
>
>Network devices using kernel driver
>===================================
>0000:5e:00.0 'MT27700 Family [ConnectX-4]' if=enp94s0 drv=mlx5_core
>unused=
>
>What does failing to recognize master/representors on multiple IB devices
>mean?
>
>My configuration is: CentOS 7.9, Linux Kernel 5.12, OFED 4.9 (LTS)