[SOLVED] read_cfg problem when running 64 bit 0.1.4 on atom system

[rab]

... and here's the 'home screen':

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Is there some specific steps you do that will cause the crash, or really clicking Save anywhere will cause this behaviour?

Yep, clicking save after selecting the USB interface triggers the error.
 

Connect a monitor to the machine, and hit CTRL-F1 to get to the console. Now make any change to the settings and see if any errors turn up?

You mean control-Alt-F1... No errors there, but i already posted the triggering error in my first post...

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OK, I had assumed that you had written is_closing_session(), but now I realise that is not the case, and indeed I am not the first to see these error messages; see, for example:

http://ubuntuforums.org/showthread.php?t=2194358

which suggests it is a Light Display Manager issue.