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Thank you guys for all your help. I finally figured out the problem that was causing this error. Debugging more and tracing the instruction I found that Program terminated with signal SIGILL, Illegal instruction. The program no longer exists. ==42128== Process terminating with default action of signal 4The SIGILL signal is raised when an attempt is made to execute an invalid, privileged, or ill-formed instruction. SIGILL is usually caused by a program It doesn't help to set the SIGILL handle to nostop ( handle SIGILL nostop ): Program received signal SIGILL, Illegal instruction. Program terminated with signal It means the CPU attempted to execute an instruction it didn't understand. This could be caused by corruption I guess, or maybe it's been compiled for the wrong SIGILL:- Illegal Instruction · Corruption of program memory · Failure to actually program the program memory · Corruption of the program pointer (which can happen