I suppose that merely reintroducing the Type=oneshot will make things work again?
However, I don't really understand this yet. ifup@.service should have nothing to do with how network-online.target behaves. For the record, the design of this is as follows: * ifup@.service should not be depended on by anything, and it should be possible to run this asynchronously. This job will bring up hotplugged network interfaces during runtime, and the Before=network.target will ensure that any consumer of network related functionality will stop before any ifup@.service during shutdown. The "network.target" is relatively uninteresting during bootup (there its main function is to sort firewalls etc. before bringing up any network interface via network-pre.target). * Coldplugged interfaces during boot, and virtual ones like bridges, bonds, etc. will be brought up by /etc/init.d/networking (aka networking.service). However, this is Type=forking, not oneshot, so will (and should) run in parallel with everything else during boot. * With ifupdown (i. e. /etc/network/interfaces), the ifup-wait-all- auto.service unit is supposed to wait for all interfaces to be "up", and this implements network-online.target. This calls "ifquery --state <interface>" to ask ifupdown whether an interface is up. So from your bug report I conclude that this isn't actually working, and ifupdown considers an interface as "up" even before dhclient finished? It was, and would be wrong to make network.target having to wait for any ifup@.service to finish again. This unnecessarily delays the boot and causes too big hangs when any network interface is unavailable, like in bug 1425376. So if I understood this right, then asking ifquery --state in ifup-wait- all-auto.service isn't sufficient, and this check needs to become stronger? To confirm this, would you mind attaching "journalctl -b" to this bug, once for a boot with the current ifup@.service and once with reverting back to Type=oneshot? I'd like to compare the startup order and DHCP interaction there. Thanks! ** Changed in: systemd (Ubuntu) Importance: Undecided => High ** Package changed: systemd (Ubuntu) => ifupdown (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1442828 Title: change for LP 1425376 breaks systemd After=network-online.target To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/1442828/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
