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Embedded Linux Projects Using Yocto Project Cookbook by Alex González

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Analyzing core dumps

Even after extensive quality assurance testing, embedded systems in-field also fail and need to be debugged. Moreover, often the failure is not something that can be easily reproduced in a laboratory environment, so we are left with production, often hardened system, to debug.

Assuming we have designed our system with the aforementioned scenario in mind, our first debugging choice is usually to extract as much information about the failing system—for example, by obtaining and analyzing a core dump of the misbehaving processes.

Getting ready

In the process of debugging embedded Linux systems, we can use the same toolbox as standard Linux systems. One of the tools enables applications to generate into the disk a memory core dump ...

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