Thank you for looking into this.
I will give it a try.
Note, previously I saw the bug not on the eduroam wireless network, but
only on Wifi from my Vodafone mobile router.
It is possible that vodafone does more content filtering than eduroam.
Yet as I reported, I could access network-test.debian.org/nm fine with both.
What logs are you exactly looking for?
This is what I saw in user.log LAST TIME IT HAPPENED.
Jul 17 22:22:18 x220 NetworkManager[3365]: <info> [1531862538.1466]
manager: NetworkManager state is now CONNECTED_LOCAL
Jul 17 22:22:18 x220 NetworkManager[3365]: <info> [1531862538.1556]
manager: NetworkManager state is now CONNECTED_SITE
Jul 17 22:22:18 x220 NetworkManager[3365]: <info> [1531862538.1558]
policy: set 'VodafoneMobileWiFi-8C5908' (wlp3s0) as default for IPv6
routing and DNS
Jul 17 22:22:18 x220 NetworkManager[3365]: <info> [1531862538.1671]
device (wlp3s0): Activation: successful, device activated.
Jul 17 22:22:18 x220 org.kde.kdeconnect[1852]: kdeconnect.core:
Broadcasting identity packet
Jul 17 22:22:18 x220 /usr/lib/gdm3/gdm-x-session[1835]:
[2093:2238:0717/222218.551578:ERROR:connection_factory_impl.cc(403)]
Failed to connect to MCS endpoint with error -109
Jul 17 22:22:18 x220 goa-daemon[2014]: goa_http_client_check() failed: 2
— Error resolving “datasync.ed.ac.uk”: Name or service not known
Jul 17 22:22:19 x220 org.kde.kdeconnect[1852]: kdeconnect.core:
Broadcasting identity packet
Jul 17 22:22:22 x220 NetworkManager[3365]: <info> [1531862542.5287]
dhcp4 (wlp3s0): address 192.168.0.100
Jul 17 22:22:22 x220 NetworkManager[3365]: <info> [1531862542.5288]
dhcp4 (wlp3s0): plen 24 (255.255.255.0)
Jul 17 22:22:22 x220 NetworkManager[3365]: <info> [1531862542.5288]
dhcp4 (wlp3s0): gateway 192.168.0.1
Jul 17 22:22:22 x220 NetworkManager[3365]: <info> [1531862542.5289]
dhcp4 (wlp3s0): lease time 604800
Jul 17 22:22:22 x220 NetworkManager[3365]: <info> [1531862542.5289]
dhcp4 (wlp3s0): nameserver '192.168.0.1'
Jul 17 22:22:22 x220 NetworkManager[3365]: <info> [1531862542.5290]
dhcp4 (wlp3s0): domain name 'wifi'
Jul 17 22:22:22 x220 NetworkManager[3365]: <info> [1531862542.5290]
dhcp4 (wlp3s0): state changed unknown -> bound
Jul 17 22:22:22 x220 NetworkManager[3365]: <info> [1531862542.5318]
policy: set 'VodafoneMobileWiFi-8C5908' (wlp3s0) as default for IPv4
routing and DNS
Jul 17 22:22:22 x220 NetworkManager[3365]: <info> [1531862542.5419]
manager: startup complete
Jul 17 22:22:29 x220 NetworkManager[3365]: <info> [1531862549.3987]
manager: NetworkManager state is now CONNECTED_GLOBAL
Jul 17 22:22:34 x220 NetworkManager[3365]: <error> [1531862554.4848]
connectivity: connectivity check failed: 4
Jul 17 22:22:34 x220 NetworkManager[3365]: <error> [1531862554.4850]
connectivity: connectivity check failed: 4
Jul 17 22:22:34 x220 NetworkManager[3365]: <error> [1531862554.4850]
connectivity: connectivity check failed: 4
Please install those packages, re-enable connectivity checking and
report back with your results.
I'm interested, if you still get this error and with what frequency.
The exact error message would be helpful. So if you can attach
(excerpts) of the log file, this would be great.
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Mark van Rossum,
Professor, Schools of Psychology and Maths, U Nottingham
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