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What does 0x0800f298 in ?? () mean?

I'm using GDB to debug a program for a Cortex M3. In the functions where the program crashes, when I execute line by line (using n), I eventually get: ...
2
votes
1answer
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Clearing lockup after double fault

I'm debugging an STM32 with gdb. For some reason my program crashes, and gdb gives the following. Note: automatically using hardware breakpoints for read-only addresses. stm32f2xxx.cpu -- ...