WARNING: CGRA WriteMem: Cannot translate to physical address!

[lishangli]

gem5 version 20.1.0.4
gem5 compiled Sep 15 2023 01:29:30
gem5 started Sep 15 2023 02:51:57
gem5 executing on 3db199a8582e, pid 2730420
command line: /root/ccf/ccf-2.0/gem5/build/ARM/gem5.opt --debug-flags=CGRA /root/ccf/ccf-2.0/gem5/configs/example/se.py -n 1 --cpu-type CGRA4x4R8torus --mem-size=8GB -c ./fibonacci

**** REAL SIMULATION ****
info: Entering event queue @ 0. Starting simulation...
warn: ignoring syscall set_robust_list(...)
warn: ignoring syscall rseq(...)
info: Increasing stack size by one page.
warn: ignoring syscall getrandom(...)
warn: ignoring syscall rseq19(...)
warn: ignoring syscall mprotect(...)
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
info: Increasing stack size by one page.
warn: ignoring syscall rseq14(...)
info: Increasing stack size by one page.
warn: ignoring syscall rseq14(...)
warn: ignoring syscall rseq14(...)
warn: ignoring syscall rseq14(...)
warn: ignoring syscall rseq14(...)
warn: ignoring syscall rseq14(...)
warn: ignoring syscall rseq14(...)
warn: ignoring syscall rseq14(...)
warn: ignoring syscall rseq14(...)
warn: ignoring syscall rseq14(...)
warn: ignoring syscall rseq14(...)
30560500: system.cpu: Reading Clocks: 61122
warn: ignoring syscall rseq14(...)
86573000: system.cpu:

Setting UP the CGRA - loopID: 1****
86573000: system.cpu: CGRA PARAMETERS: PROLOG= 30, EPILOG=8, II=2, KernelCounter=-3
86573000: system.cpu: CGRA PC : aafc8
86573000: system.cpu:
********************** CGRA Execution is started @ 173147 ****************************
start to write cgra mem!
86588000: system.cpu: In writing INT 0 to address:0 -- row: 0

start to write cgra mem!
86588000: system.cpu: In writing INT 0 to address:0 -- row: 0
86588000: system.cpu:
WARNING: CGRA WriteMem: Cannot translate to physical address!
start to write cgra mem!
86589000: system.cpu: In writing INT 0 to address:0 -- row: 0
86589000: system.cpu:
WARNING: CGRA WriteMem: Cannot translate to physical address!
start to write cgra mem!
86590000: system.cpu: In writing INT 4 to address:0 -- row: 0
86590000: system.cpu:
WARNING: CGRA WriteMem: Cannot translate to physical address!
start to write cgra mem!

When I start to use cgraexe to run the executable program, it gives an warning like this . How can I solve it?