knetworkmanager frequently fails WPA connect

[guymac]

Binary package hint: knetworkmanager

Frequently (more often than not), knetworkmanager fails to connect using WPA (1). It seems to forget the key, and asks for a new one. When this happens, it typically takes several re-tries (all with the same key) until a connection can be established. I am attaching the output of /var/log/daemon.log for such a session.

[guymac (guymac-gmail)]

I'd also like to know where the 169... IP is coming from as a default.

[guymac (guymac-gmail)]

This may be the same as bug #119818, as what you see is knetworkmanager stalling out at 57% (I think the DHCP step) and WEP seems to work fine all the time. I think there is some state/permissions conflict somewhere. Booting into XP and the connection works 100% of the time (using the same router, WPA key, etc). I'm running a Dell Inspiron B130 (Centrino) with Kubuntu 7.04 (kernel 2.6.20-16-generic).

[guymac (guymac-gmail)]

If I kill avahi-autoipd, then it will connect. For whatever reason, the zeroconf daemon is conflicting. This is also what is getting the bizarre 169 address (my router is the only wi-fi network around, and it will only provide 192.168.0.20 to this mac address). I couldn't stop it via /etc/init.d/avahi-autoipd [failed], had to kill -9 the processes. Then knetworkmanager got through straight away. I don't know why avahi-autoipd is conflicting, or if I even need it.

[guymac (guymac-gmail)]

I may be wrong about that previous comment, because this time it would not connect even after killing the autoipd daemon, after a power cycle it worked.

[guymac (guymac-gmail)]

Does having a network widget (kweather) in the taskbar active on start before the wi-fi is up cause problems?

[Daniel T Chen (crimsun)]

Is this symptom still reproducible in 8.10?

[tzekwangteo (tkteo)]

Daniel:

I am experiencing this problem on Kubuntu 8.10. I often need several tries to connect to my WPA2-PSK connection. Sometimes I just give up on trying to get the connnection established.

I believe there are similar reports at

https://bugs.launchpad.net/bugs/259278

and its duplicates.

[Jonathan Thomas (echidnaman)]

Thank you for taking the time to report this bug and helping to make Kubuntu better. The KDE3 version of KNetworkManager has been discontinued by its original authors. This unfortunately means that there will be no more bugfix releases, and updates in general will be limited to those fixing security flaws.

While we cannot fix your bug, the good news is that the applet has been totally rewritten for KDE4 in the upcoming Kubuntu 9.10 release. There is a good chance that this bug is no longer an issue with the new applet. If you find any similar or new issues with the applet included in Kubuntu 9.10, we would politely ask you to file them as new bugs against the "plasma-widget-networkmanagement" package.

Thanks in advance for your cooperation and understanding.