Since updating to bionic, I notice the same symptoms (network not working after suspend).
I'm adding this comment to note that this makes my network come up again, I'll try to add this as a post-suspend script as described above: $ sudo modprobe -r r8169 $ sudo modprobe r8169 (Suggested in https://ubuntuforums.org/showthread.php?t=2386503 ) My journalctl looks a very little bit different, but I guess it's simply because we don't use exactly the same mainboards, so the IRQs differ: Apr 28 11:00:17 flo-desktop NetworkManager[733]: <info> [1524906017.6262] manager: sleep: wake requested (sleeping: yes enabled: yes) Apr 28 11:00:17 flo-desktop NetworkManager[733]: <info> [1524906017.6263] device (eth0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'managed') Apr 28 11:00:17 flo-desktop kernel: r8169 0000:02:00.0 eth0: link down Apr 28 11:00:17 flo-desktop kernel: IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready Apr 28 11:00:17 flo-desktop NetworkManager[733]: <info> [1524906017.6566] manager: NetworkManager state is now DISCONNECTED Apr 28 11:00:20 flo-desktop ModemManager[693]: <info> Couldn't check support for device at '/sys/devices/pci0000:00/0000:00:0a.0/0000:02:00.0': not supported by any plugin Apr 28 11:00:20 flo-desktop kernel: do_IRQ: 3.36 No irq handler for vector -- 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/1760073 Title: No network from suspend resume Status in linux package in Ubuntu: Confirmed Bug description: Following a resume from suspend - no network available on machine. Originally reported when using 4.15.0-10-generic, recent update to kernel 4.15.0-15-generic ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: lightdm 1.25.2-0ubuntu1 ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3 Uname: Linux 4.15.0-10-generic x86_64 ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 CurrentDesktop: XFCE Date: Fri Mar 30 11:53:22 2018 InstallationDate: Installed on 2018-03-08 (21 days ago) InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180306.1) SourcePackage: lightdm UpgradeStatus: No upgrade log present (probably fresh install) --- ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 CurrentDesktop: XFCE DistroRelease: Ubuntu 18.04 InstallationDate: Installed on 2018-03-08 (23 days ago) InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180306.1) Package: linux PackageArchitecture: amd64 ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3 Tags: bionic third-party-packages Uname: Linux 4.15.0-10-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True --- ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 CurrentDesktop: XFCE DistroRelease: Ubuntu 18.04 InstallationDate: Installed on 2018-03-08 (23 days ago) InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180306.1) Package: linux PackageArchitecture: amd64 ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3 Tags: bionic third-party-packages Uname: Linux 4.15.0-10-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True --- ApportVersion: 2.20.9-0ubuntu2 Architecture: amd64 CurrentDesktop: XFCE DistroRelease: Ubuntu 18.04 InstallationDate: Installed on 2018-03-08 (23 days ago) InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180306.1) Package: linux PackageArchitecture: amd64 ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3 Tags: bionic Uname: Linux 4.15.0-10-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1760073/+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
