I'm simulated or1200-generic system with an input programe(hello.elf).
But or1200_monitor says a system crash reported "or1200_monitor : OR1200 crash detected (suspected CPU PC corruption)".

Terminal dumped retails are..

ubuntu:~/ORPSoC/Work$ fusesoc sim or1200-generic --elf-load hello.elf

INFO: Preparing mmuart
INFO: Preparing or1200
INFO: Preparing ram_wb
INFO: Preparing uart16550-1.5
INFO: Preparing uart16550_model
INFO: Preparing vlog_tb_utils
INFO: Preparing elf-loader
INFO: Preparing verilator_tb_utils
INFO: Preparing wb_bfm
INFO: Preparing verilog-arbiter
INFO: Preparing verilog_utils
INFO: Preparing wb_intercon
INFO: Preparing jtag_vpi
INFO: Preparing jtag_tap
INFO: Preparing adv_debug_sys
INFO: Preparing or1200-generic

Compiling /home/sfm/ORPSoC/Work/build/or1200-generic/src/elf-loader/elf-loader.c...
Compiling /home/sfm/ORPSoC/Work/build/or1200-generic/src/elf-loader/vpi_wrapper.c...
Making elf-loader.vpi from elf-loader.o vpi_wrapper.o...
Compiling /home/sfm/ORPSoC/Work/build/or1200-generic/src/jtag_vpi/jtag_vpi.c...
Making jtag_vpi.vpi from jtag_vpi.o...
Program header 0: addr 0x08048034, size 0x00000120
Program header 1: addr 0x08048154, size 0x00000013
Program header 2: addr 0x08048000, size 0x000005D4
Program header 3: addr 0x08049F08, size 0x00000118
Program header 4: addr 0x08049F14, size 0x000000E8
Program header 5: addr 0x08048168, size 0x00000044
Program header 6: addr 0x080484F8, size 0x0000002C
Program header 7: addr 0x00000000, size 0x00000000
Program header 8: addr 0x08049F08, size 0x000000F8
elf-loader: /home/sfm/ORPSoC/Work/hello.elf was loaded
Loading 33630216 words
*
* or1200_monitor : OR1200 crash detected (suspected CPU PC corruption)
*
Closing RSP server






So, what is the reason for this?
How to fix?
hello.elf is a simple c programme with a print command..

please help....