There are three ethernet interfaces after installing latest test kernel. But, I still can see following error message.
Error message: [ 93.198160] intel-eth-pci 0000:00:1e.4 enp0s30f4: validation of sgmii with support 0000000,00000000,00006280 and advertisement 0000000,00000000,00000000 failed: -22 [ 93.198486] intel-eth-pci 0000:00:1e.4 enp0s30f4: stmmac_open: Cannot attach to PHY (error: -22) [ 93.306178] intel-eth-pci 0000:00:1e.5 enp0s30f5: validation of sgmii with support 0000000,00000000,00006280 and advertisement 0000000,00000000,00000000 failed: -22 [ 93.306506] intel-eth-pci 0000:00:1e.5 enp0s30f5: stmmac_open: Cannot attach to PHY (error: -22) $ ip addr 2: enp0s31f6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 90:49:fa:06:99:dc brd ff:ff:ff:ff:ff:ff inet 192.168.1.113/24 brd 192.168.1.255 scope global dynamic noprefixroute enp0s31f6 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::a42b:f21a:2d51:9b9c/64 scope link noprefixroute valid_lft forever preferred_lft forever 3: enp0s30f4: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 88:ab:cd:11:01:23 brd ff:ff:ff:ff:ff:ff 4: enp0s30f5: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 3e:3a:cd:56:3b:f6 brd ff:ff:ff:ff:ff:ff $ uname -a Linux tgl-h 5.11.0-1012-intel #14+tsn01 SMP Wed Aug 11 18:40:44 CST 2021 x86_64 x86_64 x86_64 GNU/Linux ** Attachment added: "dmesg.log" https://bugs.launchpad.net/intel/+bug/1936903/+attachment/5520704/+files/dmesg.log -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-intel in Ubuntu. https://bugs.launchpad.net/bugs/1936903 Title: CDTS Network (Ethernet) failures Status in intel: New Status in Ubuntu: New Status in linux-intel package in Ubuntu: New Bug description: [Summary]Some networking tests fail [Steps to reproduce]Run Manual Non-Device Networking Tests $ sudo snap install checkbox20 $ sudo snap install cdts --classic --channel=20.04/stable $ cdts.checkbox-cli (X) Networking tests (manual) [X] + Non-device specific networking tests [Expected result]100% pass [Actual result] networking/info_device1_enp0s30f4 - skipped by tester (no second ethernet port on this board) networking/info_device2_UNKNOWN - failed by tester (should not have UNKNOWN devices) [Failure rate]100% [Additional information] CID: 202106-28175 SKU: system-manufacturer: Intel Corporation system-product-name: Tiger Lake Client Platform bios-version: TGLIFUI1.R00.3455.A03.2011281547 CPU: Genuine Intel(R) CPU 0000 @ 2.60GHz (16x) GPU: 00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:9a60] kernel-version: 5.11.0-1009-intel [Stage] Issue reported and logs collected right after it happened To manage notifications about this bug go to: https://bugs.launchpad.net/intel/+bug/1936903/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp