Hi.
I am having problems with 82574L
Hardware :
03:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
04:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
05:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
06:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
System:
Centos 7.3 kernel：3.10.0-514.el7.x86_64
Output from message
Feb 26 20:50:02 localhost kernel: e1000e: slot0_GE4 NIC Link is Down
Feb 26 20:50:02 localhost kernel: e1000e: slot0_GE4 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
Feb 26 22:10:02 localhost kernel: e1000e: slot0_GE4 NIC Link is Down
Feb 26 22:10:04 localhost kernel: e1000e: slot0_GE4 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
Feb 26 22:40:02 localhost kernel: e1000e: slot0_GE4 NIC Link is Down
Feb 26 22:40:02 localhost kernel: e1000e: slot0_GE4 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
Feb 26 23:20:02 localhost kernel: e1000e: slot0_GE4 NIC Link is Down
Feb 26 23:20:02 localhost kernel: e1000e: slot0_GE4 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
Feb 26 23:30:02 localhost kernel: e1000e: slot0_GE2 NIC Link is Down
Feb 26 23:30:02 localhost kernel: e1000e: slot0_GE2 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
Feb 27 01:10:02 localhost kernel: e1000e: slot0_GE4 NIC Link is Down
Feb 27 01:10:04 localhost kernel: e1000e: slot0_GE4 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
Feb 27 03:10:02 localhost kernel: e1000e: slot0_GE4 NIC Link is Down
Feb 27 03:10:02 localhost kernel: e1000e: slot0_GE4 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
modinfo
filename: /lib/modules/3.10.0-514.el7.x86_64/updates/drivers/net/ethernet/intel/e1000e/e1000e.ko
version: 3.3.6-NAPI
license: GPL
description: Intel(R) PRO/1000 Network Driver
author: Intel Corporation, <linux.nics@intel.com>
rhelversion: 7.3
srcversion: 6453212B70344504D53DE09
alias: pci:v00008086d0000105Esv*sd*bc*sc*i*
depends: ptp
vermagic: 3.10.0-514.el7.x86_64 SMP mod_unload modversions
parm: copybreak:Maximum size of packet that is copied to a new buffer on receive (uint)
parm: TxIntDelay:Transmit Interrupt Delay (array of int)
parm: TxAbsIntDelay:Transmit Absolute Interrupt Delay (array of int)
parm: RxIntDelay:Receive Interrupt Delay (array of int)
parm: RxAbsIntDelay:Receive Absolute Interrupt Delay (array of int)
parm: InterruptThrottleRate:Interrupt Throttling Rate (array of int)
parm: IntMode:Interrupt Mode (array of int)
parm: SmartPowerDownEnable:Enable PHY smart power down (array of int)
parm: KumeranLockLoss:Enable Kumeran lock loss workaround (array of int)
parm: CrcStripping:Enable CRC Stripping, disable if your BMC needs the CRC (array of int)
parm: EEE:Enable/disable on parts that support the feature (array of int)
parm: Node:[ROUTING] Node to allocate memory on, default -1 (array of int)
parm: debug:Debug level (0=none,...,16=all) (int)
[root@localhost ~]# ethtool -k slot0_GE4
Features for slot0_GE4:
rx-checksumming: on
tx-checksumming: on
tx-checksum-ipv4: off [fixed]
tx-checksum-ip-generic: on
tx-checksum-ipv6: off [fixed]
tx-checksum-fcoe-crc: off [fixed]
tx-checksum-sctp: off [fixed]
scatter-gather: on
tx-scatter-gather: on
tx-scatter-gather-fraglist: off [fixed]
tcp-segmentation-offload: on
tx-tcp-segmentation: on
tx-tcp-ecn-segmentation: off [fixed]
tx-tcp6-segmentation: on
udp-fragmentation-offload: off [fixed]
generic-segmentation-offload: on
generic-receive-offload: on
large-receive-offload: off [fixed]
rx-vlan-offload: on
tx-vlan-offload: on
ntuple-filters: off [fixed]
receive-hashing: on
highdma: on [fixed]
rx-vlan-filter: on [fixed]
vlan-challenged: off [fixed]
tx-lockless: off [fixed]
netns-local: off [fixed]
tx-gso-robust: off [fixed]
tx-fcoe-segmentation: off [fixed]
tx-gre-segmentation: off [fixed]
tx-ipip-segmentation: off [fixed]
tx-sit-segmentation: off [fixed]
tx-udp_tnl-segmentation: off [fixed]
tx-mpls-segmentation: off [fixed]
fcoe-mtu: off [fixed]
tx-nocache-copy: off
loopback: off [fixed]
rx-fcs: off
rx-all: off
tx-vlan-stag-hw-insert: off [fixed]
rx-vlan-stag-hw-parse: off [fixed]
rx-vlan-stag-filter: off [fixed]
busy-poll: off [fixed]
tx-sctp-segmentation: off [fixed]
l2-fwd-offload: off [fixed]
hw-tc-offload: off [fixed]
[root@localhost ~]#