[Bug 1717152] Re: Long network timeout on booting subiquity test ISO

[Michael Hudson-Doyle]

I think xnox has a plan for this (although the DHCP-by-default thing
will also fix it in most situations)

** Package changed: subiquity (Ubuntu) => subiquity

** Changed in: subiquity
     Assignee: (unassigned) => Dimitri John Ledkov (xnox)

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https://bugs.launchpad.net/bugs/1717152

Title:
  Long network timeout on booting subiquity test ISO

Status in subiquity:
  New
Status in nplan package in Ubuntu:
  New

Bug description:
  Similar to:
  https://bugs.launchpad.net/ubuntu/+source/nplan/+bug/1716500, I get a
  long boot timeout on a VM on first boot (no networking has or should
  have been brought up, subiquity does that only after a couple of
  steps).

  Again in this case, systemd-networkd-wait-online.service is on the top
  of systemd-analyze blame with ~2m until it times out.

  I'm capturing this in case this is a subtly different bug that should
  be explored.

  Here is relevant debugging interaction, please ask for more if needed,
  I can repeat this every time the VM boots.

  ------------------------------

  ubuntu-server at ubuntu-server:~$ snap list subiquity
  Name       Version  Rev  Developer  Notes
  subiquity  0.0.38   7    canonical  classic

  ubuntu-server at ubuntu-server:~$ dpkg -l |grep nplan
  ii  nplan                                      0.26                                         amd64        YAML network configuration abstraction for various backends

  ubuntu-server at ubuntu-server:~⟫ ll /etc/networkd
  ls: cannot access '/etc/networkd': No such file or directory
  2 ubuntu-server at ubuntu-server:~⟫ ifconfig
  lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
          inet 127.0.0.1  netmask 255.0.0.0
          inet6 ::1  prefixlen 128  scopeid 0x10<host>
          loop  txqueuelen 1000  (Local Loopback)
          RX packets 976  bytes 60864 (60.8 KB)
          RX errors 0  dropped 0  overruns 0  frame 0
          TX packets 976  bytes 60864 (60.8 KB)
          TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

  ubuntu-server at ubuntu-server:~⟫ ip link
  1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
      link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
  2: ens3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
      link/ether 52:54:00:ee:14:92 brd ff:ff:ff:ff:ff:ff

  
  ubuntu-server at ubuntu-server:~⟫ ip addr
  1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
      link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
      inet 127.0.0.1/8 scope host lo
         valid_lft forever preferred_lft forever
      inet6 ::1/128 scope host
         valid_lft forever preferred_lft forever
  2: ens3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
      link/ether 52:54:00:ee:14:92 brd ff:ff:ff:ff:ff:ff

  ubuntu-server at ubuntu-server:~⟫ journalctl -u systemd-networkd-wait-online.service
  -- Logs begin at Thu 2017-09-14 03:25:34 UTC, end at Thu 2017-09-14 03:27:42 UTC. --
  Sep 14 03:25:35 ubuntu-server systemd[1]: Starting Wait for Network to be Configured...
  Sep 14 03:25:35 ubuntu-server systemd-networkd-wait-online[973]: ignoring: lo
  Sep 14 03:25:35 ubuntu-server systemd-networkd-wait-online[973]: ignoring: lo
  Sep 14 03:27:35 ubuntu-server systemd-networkd-wait-online[973]: Event loop failed: Connection timed out
  Sep 14 03:27:35 ubuntu-server systemd[1]: systemd-networkd-wait-online.service: Main process exited, code=exited, status=1/FAILU
  Sep 14 03:27:35 ubuntu-server systemd[1]: Failed to start Wait for Network to be Configured.
  Sep 14 03:27:35 ubuntu-server systemd[1]: systemd-networkd-wait-online.service: Unit entered failed state.
  Sep 14 03:27:35 ubuntu-server systemd[1]: systemd-networkd-wait-online.service: Failed with result 'exit-code'.
  ubuntu-server at ubuntu-server:~⟫

  ubuntu-server at ubuntu-server:~⟫ systemd-analyze blame | head -5
        2min 227ms systemd-networkd-wait-online.service
            3.532s lxd-containers.service
            2.513s dev-sr0.device
            2.511s dev-loop0.device
            1.298s accounts-daemon.service
  ubuntu-server at ubuntu-server:~⟫

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