Hi All, I am trying to run an executable in gem5 where the first instruction is "mrs x0, mpidr_el1". As soon as I run it, it fails with the following segmentation fault.
Below is the command and the error message: ./build/ARM/gem5.opt configs/example/se.py --cmd=temp.elf **** REAL SIMULATION **** build/ARM/sim/simulate.cc:194: info: Entering event queue @ 0. Starting simulation... build/ARM/arch/arm/utility.cc:154: warn: Trying to read MPIDR at EL0 gem5 has encountered a segmentation fault! --- BEGIN LIBC BACKTRACE --- ./build/ARM/gem5.opt[0x1bdbc75] ./build/ARM/gem5.opt[0x1bf677d] /lib64/libpthread.so.0(+0xf7e0)[0x7ffff76417e0] ./build/ARM/gem5.opt[0x77d4a7] ./build/ARM/gem5.opt[0x77ddf5] ./build/ARM/gem5.opt[0x63b6be] ./build/ARM/gem5.opt[0xe81cc8] ./build/ARM/gem5.opt[0x1602fe4] ./build/ARM/gem5.opt[0x1be7268] ./build/ARM/gem5.opt[0x1c0f859] ./build/ARM/gem5.opt[0x1c104ba] ./build/ARM/gem5.opt[0x1bcba40] ./build/ARM/gem5.opt[0x166a9a1] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(PyCFunction_Call+0x118)[0x7ffff78f1b48] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x84f5)[0x7ffff78c81f5] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0xa7a)[0x7ffff79dd08a] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(_PyFunction_Vectorcall+0xa8)[0x7ffff78ef748] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x8037)[0x7ffff78c7d37] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(+0x6fae0)[0x7ffff78beae0] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x604a)[0x7ffff78c5d4a] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0xa7a)[0x7ffff79dd08a] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(_PyFunction_Vectorcall+0xa8)[0x7ffff78ef748] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x8037)[0x7ffff78c7d37] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0xa7a)[0x7ffff79dd08a] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(PyEval_EvalCodeEx+0x3e)[0x7ffff79dd23e] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(PyEval_EvalCode+0x1b)[0x7ffff79dd26b] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(+0x18ade9)[0x7ffff79d9de9] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(+0xe9510)[0x7ffff7938510] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x604a)[0x7ffff78c5d4a] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(+0x6fae0)[0x7ffff78beae0] /home/utils/Python/3.8/3.8.10-20210517/lib/libpython3.8.so.1.0(PyVectorcall_Call+0x5c)[0x7ffff78f161c] ./build/ARM/gem5.opt[0x1bd5d71] --- END LIBC BACKTRACE --- Segmentation fault Can someone help me understand/debug this or direct me on how to resolve this? It would be of great help. -- Thanks and regards Siva
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