The code base is the non_blocking SPI sample code configured for nRF9161DK.
in prj.conf
[00:00:00.308,319] <err> os: Precise data bus error
[00:00:00.308,319] <err> os: BFAR Address: 0x0
[00:00:00.308,349] <err> os: r0/a1: 0x40009000 r1/a2: 0x2000e050 r2/a3: 0x00000000
[00:00:00.308,349] <err> os: r3/a4: 0x00000017 r12/ip: 0x2000c7a0 r14/lr: 0x000170e5
[00:00:00.308,380] <err> os: xpsr: 0x01000000
[00:00:00.308,380] <err> os: Faulting instruction address (r15/pc): 0x0001d8a6
[00:00:00.308,441] <err> os: >>> ZEPHYR FATAL ERROR 25: Unknown error on CPU 0
[00:00:00.308,471] <err> os: Current thread: 0x2000cc38 (unknown)
[00:00:00.383,026] <err> os: Halting system