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Recently the network manager applet has been crashing immediately after startup and only at startup. It remains stable throughout the rest of the day. How would I begin to discover what the issue is? There must be a general method of attack on a problem like this. Normally I would try running the program from the terminal to see if any error messages are printed but nm-applet does not seem to crash once I restart it.

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You might want to look into ~/.xsession-errors for relevant error messages.

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dmesg. I'd also collect the chipset and driver versions of all your network devices and confirm there are no open bugs in Launchpad for network manager.

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I know that you can view dmesg using System>Administration>Log File Viewer but what would be the best way to find the chipset and driver versions? I have found a bug on launchpad that might be related but of course nm-applet seems to be cooperating for now, so I will wait and see what happens. With yours and Jan's response I will wait for the next time and hopefully be prepared to make a useful bug report. – TheAxeR Sep 7 '10 at 13:13

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