not able to see the card, and I've got message as below
[ 5.920756] ixgbe: Intel(R) 10 Gigabit PCI Express Network Driver - version 3.19.1-k
[ 5.920786] ixgbe: Copyright (c) 1999-2014 Intel Corporation.
[ 5.920873] ixgbe 0000:03:00.0: PCI INT A -> GSI 40 (level, low) -> IRQ 40
[ 5.920908] ixgbe 0000:03:00.0: setting latency timer to 64
[ 5.938627] ixgbe 0000:03:00.0: failed to load because an unsupported SFP+ or QSFP module type was detected.
[ 5.938690] ixgbe 0000:03:00.0: Reload the driver after installing a supported module.
[ 5.938760] ixgbe 0000:03:00.0: PCI INT A disabled
[ 5.938830] ixgbe 0000:03:00.1: PCI INT B -> GSI 44 (level, low) -> IRQ 44
and there is something I find out from lspci commnad that the flag is not marked as bus master, so I am wondering if they are related
I also set allow_unsupported_modules=1, it seemed fine, but the cards cannot see the traffic
291 03:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01)
292 Subsystem: Intel Corporation Ethernet Server Adapter X520-2
293 Flags: fast devsel, IRQ 40
294 Memory at d9080000 (64-bit, prefetchable) [size=512K]
295 I/O ports at ecc0 [size=32]
296 Memory at d91f8000 (64-bit, prefetchable) [size=16K]
297 Capabilities:  Power Management version 3
298 Capabilities:  MSI: Enable- Count=1/1 Maskable+ 64bit+
299 Capabilities:  MSI-X: Enable- Count=64 Masked-
300 Capabilities: [a0] Express Endpoint, MSI 00
301 Capabilities:  Advanced Error Reporting
302 Capabilities:  Device Serial Number 90-e2-ba-ff-ff-c0-cb-68
303 Capabilities:  Alternative Routing-ID Interpretation (ARI)
304 Capabilities:  Single Root I/O Virtualization (SR-IOV)
305 Kernel modules: ixgbe
Just to double check if this is an onboard NIC on your system (what is the brand and model of the system?
What is the exact SFI/SFP+ modules used? Please provide the exact model.