XL710-QDA2 NIC failed to link

[光杨1]

All:

I am trying to get a dual 40G Xl710-QDA2 interface up with i40e.ko to drive them up,but failed.

I found some use message like that:

[root@linux src]# dmesg |tail

[75592.003591] i40e 0000:04:00.1: irq 200 for MSI/MSI-X

[75592.127531] i40e 0000:04:00.1: irq 201 for MSI/MSI-X

[75592.251468] i40e 0000:04:00.1: irq 202 for MSI/MSI-X

[75592.362414] i40e 0000:04:00.1: irq 203 for MSI/MSI-X

[75592.486353] i40e 0000:04:00.1: irq 204 for MSI/MSI-X

[75592.789203] i40e 0000:04:00.1: PCI-Express: Speed 8.0GT/s Width x8

[75592.966116] i40e 0000:04:00.1: Features: PF-id[1] VSIs: 66 QP: 24 RX: 1BUF RSS FD_ATR FD_SB NTUPLE VxLAN NVGRE PTP VEPA

[75617.228339] i40e 0000:04:00.0 eth6: the driver failed to link because an unqualified module was detected.

[75617.343091] 8021q: adding VLAN 0 to HW filter on device eth6

[75617.410885] i40e 0000:04:00.0 eth6: adding 68:05:ca:32:45:e8 vid=0

[root@linux src]# lspci |grep Eth

01:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe

01:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe

02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe

02:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe

04:00.0 Ethernet controller: Intel Corporation Device 1583 (rev 01)

04:00.1 Ethernet controller: Intel Corporation Device 1583 (rev 01)

05:00.0 Ethernet controller: Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection (rev 01)

05:00.1 Ethernet controller: Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection (rev 01)

[root@linux src]# ethtool -i eth6

driver: i40e

version: 1.4.25

firmware-version: 4.42 0x80001932 0.0.0

bus-info: 0000:04:00.0

[root@linux src]# uname -a

Linux xgw-6 3.10.10-DPDK-1-0-0-0 # 4 SMP Mon Mar 7 19:07:38 CST 2016 x86_64 x86_64 x86_64 GNU/Linux

QSFP+ Fiber Module is Gigalight GQS-MD0400-007C AOC Cable 7M.

So why can not link up with this QSFP+？

[st4]

Hi Agaui,

Thank you for the post. Please refer to the list of supported fiber module for XL710-QDA2, the error indicated there was an unqualified module detected.

http://www.intel.ph/content/dam/www/public/us/en/documents/product-briefs/ethernet-qsfp-cables-brief.pdf http://www.intel.ph/content/dam/www/public/us/en/documents/product-briefs/ethernet-qsfp-cables-brief.pdf

rgds,

wb