I've been having the same problem after resume. However, although de- modprobe-ing and re-modprobe-ing enables the 'eth0' to be renamed as 'enp2s0', finally it fizzles out with
Jul 06 02:13:24 craig-desktop NetworkManager[5649]: <debug> [1530868404.9510] device[0x2840aa0] (enp2s0): emit RECHECK_ASSUME signal Jul 06 02:13:24 craig-desktop NetworkManager[5649]: <debug> [1530868404.9510] device[0x2840aa0] (enp2s0): ip4-config: update (commit=0, routes-full-sync=0, new-config=0x285f8f0) Jul 06 02:13:24 craig-desktop NetworkManager[5649]: <debug> [1530868404.9511] device[0x2840aa0] (enp2s0): ip6-config: update (commit=0, routes-full-sync=0, new-config=0x282a440) Jul 06 02:13:24 craig-desktop NetworkManager[5649]: <debug> [1530868404.9511] device[0x2840aa0] (enp2s0): device has no existing configuration Jul 06 02:13:24 craig-desktop NetworkManager[5649]: <debug> [1530868404.9511] manager: (enp2s0): can't assume; no connection and connectivity fails. Only a reboot fixes it. Version: Linux craig-desktop 4.15.0-24-generic #26~16.04.1-Ubuntu SMP Fri Jun 15 14:35:08 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux Past similar reports related to r8169 over the years: 2017 - https://askubuntu.com/a/893823/723997 2011 - https://ubuntuforums.org/showthread.php?t=1661489 - This 2011 one is interesting because the author points out that :: # lspci | grep Realtek 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c) so he replaced r8169 with r8168 and succeeded. On the other hand, the following set of reports seems to indicate that it is independent of the driver, because of multiple cases where unloading and loading the driver solved the problem although the drivers are different: 2016 - https://forum.ubuntuusers.de/topic/nach-16-10-installation-kein-internet-mehr-nac/2/#post-8652643 - https://ubuntuforums.org/showthread.php?t=2355314 In conclusion, there might be a deeper bug which is appearing and disappearing with different versions depending upon the random module layout in the compile. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1752772 Title: r8169 ethernet card don't work after returning from suspension To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1752772/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
