Oracle Linux: Network Devices Issues With Driver IXBGE and INTEL 82599XX 10-Gigabit SFI/SFP+ (Doc ID 2590516.1)

Last updated on OCTOBER 20, 2022

Applies to:

Symptoms

Issues with Intel Corporation 82599  10-Gigabit SFI/SFP+ Network devices on UEK kernel.

After patch with latest kernel  the Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network devices were not working.

Reviewing the logs errors is visible :

...........

<Aug 19 10:12:54 <hostname> kernel: ixgbe: allow_unsupported_sfp Enabled
Aug 19 10:12:54 <hostname> kernel: ixgbe 0000:01:00.0 (unregistered net_device): WARNING: Intel (R) Network Connections are quality tested using Intel (R) Ethernet Optics. Using untest
ed modules is not supported and may cause unstable operation or damage to the module or the adapter. Intel Corporation is not responsible for any harm caused by using untested modules.  <<<<<<<<<<<<<<<<<<<<<
Aug 19 10:12:55 <hostname> kernel: ixgbe 0000:01:00.0: PCI Express bandwidth of 32GT/s available
Aug 19 10:12:55 <hostname> kernel: ixgbe 0000:01:00.0: (Speed:5.0GT/s, Width: x8, Encoding Loss:20%)
Aug 19 10:12:55 <hostname> kernel: ixgbe 0000:01:00.0 eth2: MAC: 2, PHY: 15, SFP+: 6, PBA No: G61346-016
Aug 19 10:12:55 <hostname> kernel: ixgbe 0000:01:00.0: 24:6e:96:34:a5:50
Aug 19 10:12:55 <hostname> kernel: ixgbe 0000:01:00.0 eth2: Enabled Features: RxQ: 40 TxQ: 40 FdirHash RSC
Aug 19 10:12:55 <hostname> kernel: ixgbe 0000:01:00.0 eth2: Intel(R) 10 Gigabit Network Connection
Aug 19 10:12:55 <hostname> kernel: ixgbe: 0000:01:00.1: ixgbe_check_options: FCoE Offload feature enabled <<<<<<<<<<<<<<<<<<<<<
Aug 19 10:12:55 <hostname> kernel: ixgbe: allow_unsupported_sfp Enabled

Aug 19 10:13:05 <hostname> kernel: ixgbe 0000:01:00.0: failed to load because an unsupported SFP+ module type was detected. <<<<<<<<<<<<<<<<<<<<<
Aug 19 10:13:05 <hostname> kernel: ixgbe 0000:01:00.1: PCI INT B disabled <<<<<<<<<<<<<<<<<<<<<
Aug 19 10:13:05 <hostname> kernel: ixgbe 00000:01:00.0: eth2: NIC Link is Up 10 Gbps, Flow Control: RX/TX>

...........

OR:

...........

<Aug 19 10:13:05 <hostname> kernel: ixgbe: '1,1' invalid for parameter 'allow_unsupported_sfp'
Aug 19 10:13:05 <hostname> kernel: ixgbe: '1,1' invalid for parameter 'allow_unsupported_sfp'
Aug 19 10:13:05 <hostname> kernel: ixgbe: '1,1' invalid for parameter 'allow_unsupported_sfp'
Aug 19 10:13:05 <hostname> kernel: ixgbe: '1,1' invalid for parameter 'allow_unsupported_sfp'>

...........

Changes

Kernel Update or  New NIC devices.

Cause

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