Phy ID from good kernel: $ cat /sys/devices/pci0000:00/0000:00:0a.0/0000:03:00.0/mdio_bus/r8169-300/r8169-300:00/phy_id 0xc2077002
Both r8169.ko and realtek.ko exist in /lib/modules for both the good and bad kernels - I'm not sure if that's what you wanted to know? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1876593 Title: Ethernet not working/Realtek RTL8169 fails to load Status in linux-signed package in Ubuntu: New Bug description: With the latest kernels on Ubuntu 20.04 LTS, my onboard Ethernet has stopped working. Last known good kernel: Ubuntu 5.4.0-21.25-generic 5.4.27 Current (bad) kernel: Ubuntu 5.4.0-28.32-generic 5.4.30 Ethernet controller: 03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 03) Select lines from dmesg with bad kernel: [ 1.479172] r8169 0000:03:00.0: realtek.ko not loaded, maybe it needs to be added to initramfs? [ 1.498143] r8169: probe of 0000:03:00.0 failed with error -49 With good kernel: [ 1.472510] r8169 0000:03:00.0 eth0: RTL8168d/8111d, 6c:f0:49:e7:de:a3, XID 283, IRQ 35 [ 1.472511] r8169 0000:03:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko] [ 8.430734] r8169 0000:03:00.0 eth0: Link is Down [ 9.241421] r8169 0000:03:00.0 eth0: Link is Up - 100Mbps/Full - flow control off To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1876593/+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
