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 Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1846786 Title: link speed autodetection fails on ubuntu-19.10 and Intel board To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1846786/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
