After updating to Fedora 28 (+all updates and testing updates) the wifi connection of my laptop takes almost 30s as opposed to almost instantaneous with F27.
This is on Lenovo Thinkpad T450s.
I can see one difference in /var/log/messages between F27 and F28. In F28 I get:
May 5 12:54:06 Thinkpad audit: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-wait-online comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
May 5 12:54:06 Thinkpad systemd: NetworkManager-wait-online.service: Main process exited, code=exited, status=1/FAILURE
May 5 12:54:06 Thinkpad systemd: NetworkManager-wait-online.service: Failed with result 'exit-code'.
May 5 12:54:06 Thinkpad systemd: Failed to start Network Manager Wait Online.
May 1 16:06:26 Thinkpad systemd: Started Network Manager Wait Online.
May 1 16:06:26 Thinkpad audit: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-wait-online comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
May 1 16:06:26 Thinkpad systemd: Reached target Network is Online.
The issue with NetworkManager-wait-online.service can be solved by reducing the timeout in NetworkManager-wait-online.service from 30 to a lower number like 5. However, this did not resolve the long pause issue that I am having.
What works is to uncheck the "Automatically connect to network when available" option in kde plasma. After this as soon as you log in you can choose to connect to the service and there is no delay in this case. Do we learn something about the culprit from this info? Thanks.
Ok. If I have the "password" stored for "all" users than it instantaneously comes on upon login. Does this mean the change is coming from KDE plasma and not NM? Because something has changed since F28 since for all previous versions of Fedora it worked as expected.
I think you have my same issue, the problem seem caused by a race condition between kwallet and networkmanger.
more info: https://bugzilla.gnome.org/show_bug.cgi?id=794014
in my case after boot plasma-nm applet stuck on 'waiting for authorization' and i have to wait or disconnect and reconnect network manually
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