IOUnserialize finds bad UTF8?

René J.V. Bertin rjvbertin at
Thu Dec 25 12:13:33 PST 2014

On Thursday December 25 2014 20:52:02 René J.V. Bertin wrote:

> kontact[62499]: FIXME: IOUnserialize has detected a string that is not valid UTF-8, "*_³"
> messages in my system.log, a burst about every 30s . Setting a breakpoint on IOCFUnserialize it would seem that this happens when Qt's WLAN scanning feature is invoked, i.e. something to do with the WiFi I have available here. 
> Googling the error shows that it's a common thing, but one that is apparently without solution.

There is a somewhat blunt solution: remove the plugins in ${prefix}/share/qt4/plugins/bearer, for instance by compressing them.
This will probably disable WiFi (wlan) scanning and management via Qt applications, but in my case that's a perfectly acceptable trade-off.


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