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"Bus fault on vector table read" using SDK versions later than 0.16.0-beta1
Hi,
Attempting to compile example application zephyr/samples/modules/tflite-micro/tflm_ethosu
and run on Arm® Corstone™-300 software FVP (available for download here: https://developer.arm.com/downloads/-/arm-ecosystem-fvps) using an SDK version later than 0.16.0-beta1 results in a HARD FAULT. The below output is from an attempt to use SDK 0.16.3:
[00:00:00.000,000] <err> os: Bus fault on vector table read
[00:00:00.000,000] <err> os: r0/a1: 0xfefa125b r1/a2: 0x00000000 r2/a3: 0x00000000
[00:00:00.000,000] <err> os: r3/a4: 0xcfdfdfdf r12/ip: 0xdfdfdfcf r14/lr: 0x00000001
[00:00:00.000,000] <err> os: xpsr: 0x10004200
[00:00:00.000,000] <err> os: Faulting instruction address (r15/pc): 0x00000005
[00:00:00.000,000] <err> os: >>> ZEPHYR FATAL ERROR 0: CPU exception on CPU 0
[00:00:00.000,000] <err> os: Current thread: 0x30000700 (unknown)
[00:00:00.010,000] <err> os: Halting system
Compiling and running the same application using SDK 0.16.0-beta1 works as expected.
Building:
west build -p -b mps3_an547 zephyr/samples/modules/tflite-micro/tflm_ethosu
Running:
FVP_Corstone_SSE-300_Ethos-U55 -C mps3_board.visualisation.disable-visualisation=1 -C mps3_board.telnetterminal0.start_telnet=0 -C mps3_board.uart0.out_file="-" -C mps3_board.uart0.unbuffered_output=1 build/zephyr/zephyr.elf
Please let me know if you need anything more or if there is something I can help with.
Thanks