"failed to load because an unsupported SFP+ module type was detected" problems with ixgbe driver under RHEL

Solution Verified - Updated -

Issue

We experience a problem with the ixgbe driver with the Intel Corporation 82599EB 10-Gigabit SFI/SFP+. When trying to load the ixgbe module, it often fails:

# grep ixgbe /var/log/messages
Nov 19 11:07:03 hostname kernel: ixgbe: Intel(R) 10 Gigabit PCI Express Network Driver - version 3.6.7-k
Nov 19 11:07:03 hostname kernel: ixgbe: Copyright (c) 1999-2012 Intel Corporation.
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.0: PCI INT A -> GSI 38 (level, low) -> IRQ 38
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.0: Multiqueue Enabled: Rx Queue count = 24, Tx Queue count = 24
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.0: (PCI Express:5.0GT/s:Width x8) 00:00:00:00:00:00
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.0: MAC: 2, PHY: 1, PBA No: G18786-002
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.0: Intel(R) 10 Gigabit Network Connection
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.1: PCI INT B -> GSI 45 (level, low) -> IRQ 45
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.1: Multiqueue Enabled: Rx Queue count = 24, Tx Queue count = 24
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.1: (PCI Express:5.0GT/s:Width x8) 00:00:00:00:00:00
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.1: MAC: 2, PHY: 1, PBA No: G18786-002
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.1: Intel(R) 10 Gigabit Network Connection
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.0: PCI INT A -> GSI 40 (level, low) -> IRQ 40
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.0: failed to load because an unsupported SFP+ module type was detected.
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.0: Reload the driver after installing a supported module.
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.0: PCI INT A disabled
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.1: PCI INT B -> GSI 50 (level, low) -> IRQ 50
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.1: failed to load because an unsupported SFP+ module type was detected.
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.1: Reload the driver after installing a supported module.
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0f:00.1: PCI INT B disabled
Nov 19 11:07:03 hostname kernel: ixgbe 0000:0e:00.0: p6p1: NIC Link is Up 10 Gbps, Flow Control: RX/TX
  • Unloading and reloading the module (rmmod ixgbe, modprobe ixgbe) will sometimes recognise and accept the SFP

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Intel Corporation 82599EB 10-Gigabit SFI/SFP+, ixgbe driver

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