Infiniband 認識

Infiniband ボードの認識が出来ません。。。

# ibv_devinfo
No IB devices found

# lspci|grep Mellanox
82:00.0 InfiniBand: Mellanox Technologies MT26428 [ConnectX VPI PCIe 2.0 5GT/s - IB QDR / 10GigE] (rev b0)

# dmesg |grep Mellanox
[ 1.852254] mlx4_core: Mellanox ConnectX core driver v4.0-0
[ 4.525684] mlx4_en: Mellanox ConnectX HCA Ethernet driver v4.0-0

# /usr/bin/hca_self_test.ofed

---- Performing Adapter Device Self Test ----
Number of CAs Detected ................. 1
PCI Device Check ....................... PASS
Kernel Arch ............................ x86_64
Host Driver Version .................... MLNX_OFED_LINUX-4.4-2.0.7.0 (OFED-4.4-2.0.7): 3.10.0-862.11.6.el7.x86_64
Host Driver RPM Check .................. PASS
Firmware on CA #0 HCA .................. v2.9.1000
Host Driver Initialization ............. PASS
Number of CA Ports Active .............. 0
Kernel Syslog Check .................... PASS
Node GUID on CA #0 (HCA) ............... NA
------------------ DONE ---------------------



マシンの仕様
Intel Xeon + 4 GPU マシン
CPU：Xeon X5690(3.46GHz,6core)×2
Memory：192GB(16GB×12)
HDD：SATA500GB×2
NIC : GbE x 1 & Inifiniband(FDR) x 1
GPGPU：Tesla C2075×4
OS：CentOS 7.5