Here follows extract of kernel log that shows link to default to 10 Mbps root@ubuntu1910:~# dmesg | grep -i igb [ 8.363504] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.6.0-k [ 8.371363] igb: Copyright (c) 2007-2014 Intel Corporation. [ 8.371855] igb 0000:01:00.0: PHY reset is blocked due to SOL/IDER session. [ 8.430438] igb 0000:01:00.0: Intel(R) Gigabit Ethernet Network Connection [ 8.440508] igb 0000:01:00.0: eth0: (PCIe:2.5Gb/s:Width x4) 00:15:17:b8:18:d8 [ 8.440511] igb 0000:01:00.0: eth0: PBA No: Unknown [ 8.451863] igb 0000:01:00.0: Using MSI-X interrupts. 4 rx queue(s), 4 tx queue(s) [ 8.647771] igb 0000:01:00.1: Intel(R) Gigabit Ethernet Network Connection [ 8.669494] igb 0000:01:00.1: eth1: (PCIe:2.5Gb/s:Width x4) 00:15:17:b8:18:d9 [ 8.669497] igb 0000:01:00.1: eth1: PBA No: Unknown [ 8.707223] igb 0000:01:00.1: Using MSI-X interrupts. 4 rx queue(s), 4 tx queue(s) [ 8.718846] igb 0000:01:00.1 enp1s0f1: renamed from eth1 [ 8.927403] igb 0000:01:00.0 enp1s0f0: renamed from eth0 [ 15.063720] igb 0000:01:00.0 mgmt0: renamed from enp1s0f0 [ 15.137690] igb 0000:01:00.0 mgmt0: igb: mgmt0 NIC Link is Up 10 Mbps Full Duplex, Flow Control: None [ 832.311222] igb 0000:01:00.0: DCA enabled [ 832.311237] igb 0000:01:00.1: DCA enabled
Then link speed forced through ethtool [ 1448.089269] igb 0000:01:00.0 mgmt0: igb: mgmt0 NIC Link is Down [ 1450.509419] igb 0000:01:00.0 mgmt0: igb: mgmt0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None [ 1495.813709] igb 0000:01:00.0 mgmt0: igb: mgmt0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1846786 Title: link speed autodetection fails on ubuntu-19.10 and Intel board Status in linux package in Ubuntu: Incomplete Bug description: On my setup : Intel Corporation 82575EB Gigabit Network Connection which uses igb driver module, the automatic detection of link speed fails root@ubuntu1910:~# ethtool mgmt0 Settings for mgmt0: 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 Supported FEC modes: Not reported Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: Yes Advertised FEC modes: Not reported Speed: 10Mb/s The link speed can be manually fixed but ipmi-sol must be closed before. ethtool -s mgmt0 speed 1000 duplex full autoneg off And then root@ubuntu1910:~# ethtool mgmt0 Settings for mgmt0: 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 Supported FEC modes: Not reported Advertised link modes: 1000baseT/Full Advertised pause frame use: Symmetric Advertised auto-negotiation: Yes Advertised FEC modes: Not reported Speed: 1000Mb/s I think it is directly linked to 5.3 kernel and used to work on 5.0 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1846786/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
