Hi,
I'm having the same problem as Kristian is with his igb link issue. I also
have a different machine with an i210 card in it, that also has the same
issue on Linux ONLY. FreeBSD works fine.
It's about 40% chance on boot that the issue will happen (but I did find a
workaround). I believe it's something to do with auto-negotiation code. I
can either unplug/replug the cable and it will come back up, or I can force
the link speed/duplex and it will bring the link back up when the issue is
triggered.
Ethtool on a boot with issue:
root@moffat-gw / # ethtool eth0
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Speed: Unknown!
Duplex: Unknown! (255)
Port: Twisted Pair
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
MDI-X: off (auto)
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000007 (7)
drv probe link
Link detected: no
root@moffat-gw / # ethtool -s eth0 speed 1000 duplex full
root@moffat-gw / # ethtool eth0[ 59.285152] igb 0000:00:14.0 eth0: igb:
eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
[ 59.295788] br-lan: port 1(eth0) entered forwarding state
[ 59.302438] br-lan: port 1(eth0) entered forwarding state
[ 59.309274] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Advertised link modes: 1000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
MDI-X: off (auto)
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
root@moffat-gw / # ethtool -i eth0
driver: igb
version: 5.3.3.5
firmware-version: 0.0.0
expansion-rom-version:
bus-info: 0000:00:14.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: no
root@moffat-gw / # uname -a
Linux moffat-gw 4.1.15 #12 SMP Sun Jan 10 22:09:02 EST 2016 x86_64 GNU/Linux
root@moffat-gw / # ethtool -S eth0
NIC statistics:
rx_packets: 12463
tx_packets: 9238
rx_bytes: 2548091
tx_bytes: 1699471
rx_broadcast: 191
tx_broadcast: 6
rx_multicast: 3073
tx_multicast: 91
multicast: 3073
collisions: 0
rx_crc_errors: 0
rx_no_buffer_count: 0
rx_missed_errors: 0
tx_aborted_errors: 0
tx_carrier_errors: 0
tx_window_errors: 0
tx_abort_late_coll: 0
tx_deferred_ok: 0
tx_single_coll_ok: 0
tx_multi_coll_ok: 0
tx_timeout_count: 0
rx_long_length_errors: 0
rx_short_length_errors: 0
rx_align_errors: 0
tx_tcp_seg_good: 0
tx_tcp_seg_failed: 0
rx_flow_control_xon: 0
rx_flow_control_xoff: 0
tx_flow_control_xon: 0
tx_flow_control_xoff: 0
rx_long_byte_count: 2548091
tx_dma_out_of_sync: 0
lro_aggregated: 0
lro_flushed: 0
tx_smbus: 3068
rx_smbus: 3106
dropped_smbus: 0
os2bmc_rx_by_bmc: 2
os2bmc_tx_by_bmc: 3068
os2bmc_tx_by_host: 2
os2bmc_rx_by_host: 3068
tx_hwtstamp_timeouts: 0
rx_hwtstamp_cleared: 0
rx_errors: 0
tx_errors: 0
tx_dropped: 0
rx_length_errors: 0
rx_over_errors: 0
rx_frame_errors: 0
rx_fifo_errors: 0
tx_fifo_errors: 0
tx_heartbeat_errors: 0
tx_queue_0_packets: 6170
tx_queue_0_bytes: 400752
tx_queue_0_restart: 0
rx_queue_0_packets: 12434
rx_queue_0_bytes: 2916614
rx_queue_0_drops: 0
rx_queue_0_csum_err: 0
rx_queue_0_alloc_failed: 0
-----
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