On 1/6/26 06:37, Nick Rosbrook wrote:
>> It seems to be a systemd problem/feature that startup gets delayed if
> a network connection exists but is not responding.
> 
> This would most likely be a bug in the definition of other units on the
> system, rather than systemd itself. In normal circumstances, if systemd-
> networkd-wait-online.service times out (which is the symptom I assume
> you are pointing to here) that does not *necessarily* block startup,
> because services that are related to e.g. starting the graphical
> environment should have no ordering dependency on network-online.target
> (or systemd-networkd-wait-online.service itself).
> 
> But, something on this system might be configured that way nonetheless.
> 
> You can try looking at:
> 
> $ systemctl list-dependencies --reverse network-online.target
> $ systemctl list-dependencies network-online.target
> $ systemctl list-dependencies --reverse systemd-networkd-wait-online.service
> 
> to see if anything sticks out. Please share that output.
> 
> Or, you can see if it helps to simply:
> 
> $ systemctl disable systemd-networkd-wait-online.service
> 
> ** Changed in: systemd (Ubuntu)
>         Status: New => Incomplete
> 

aorus> systemctl list-dependencies --reverse network-online.target
network-online.target
* |-cups-browsed.service
* |-hddtemp.service
* |-nfs-mountd.service
* |-nfs-server.service
* |-nmbd.service
* |-packagekit.service
* |-rpc-statd-notify.service
* |-rpc-statd.service
* |-smbd.service
* |-virtualbox.service
* |-whoopsie.service
* `-xinetd.service

aorus> systemctl list-dependencies network-online.target
network-online.target
* |-NetworkManager-wait-online.service
x `-systemd-networkd-wait-online.service

aorus> systemctl list-dependencies --reverse 
systemd-networkd-wait-online.service
systemd-networkd-wait-online.service
* `-network-online.target
*   |-cups-browsed.service
*   |-hddtemp.service
*   |-nfs-mountd.service
*   |-nfs-server.service
*   |-nmbd.service
*   |-packagekit.service
*   |-rpc-statd-notify.service
*   |-rpc-statd.service
*   |-smbd.service
*   |-virtualbox.service
*   |-whoopsie.service
*   `-xinetd.service

Tom Dean

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https://bugs.launchpad.net/bugs/2120216

Title:
  System boot very slow. Login screen delayed by network problems.

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