https://devzone.nordicsemi.com/f/nordic-q-a/61876/hardfault-analysisI got the following hardfault: addr2line returns: Did I misinterpreted the hardfault message? Or is the hardfault source really in libvfprintf? How to find out the root cause for this error? [nRF52840, nRF SDK 16.0, Mesh SDK 4.0, SD140 7.0.1en-USTelligent Community 13Wed, 27 May 2020 11:00:20 GMThttps://devzone.nordicsemi.com/thread/251913?ContentTypeID=1Wed, 27 May 2020 11:00:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8d81dcfe-5f6b-49c8-bce1-1021c5976531Turbo J[quote userid="26193" url="~/f/nordic-q-a/61876/hardfault-analysis"]is the hardfault source really in libvfprintf? [/quote] <p>Most likely a&nbsp; &quot;%s&quot; with the string pointer not properly initialized or otherwise overwritten.</p> <p>Might be a simple mistake (using uninitalized memory) - or worse: a stack overflow. The latter can be really hard to debug properly.</p><div style="clear:both;"></div>