[gem5-users] Re: Porting a configuration file from gem5 v20 to gem5 v21

[Ali Ghandour via gem5-users]

In FS mode, full errror stack below:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "build/ARM/python/m5/main.py", line 455, in main
  File "./RPIv4.py", line 535, in <module>
    main()
  File "./RPIv4.py", line 512, in main
    root.system = systemCreate(args)
  File "./RPIv4.py", line 297, in systemCreate
    system = RPISystemCreate(ArmSystem, args, mode)
  File "./RPIv4.py", line 182, in RPISystemCreate
    return RPISystem(args, mode)
  File "./RPIv4.py", line 127, in __init__
    self.configMem(args)
  File "./RPIv4.py", line 158, in configMem
    self.cpu_cluster.connectDirect(self.membus)
  File 
"/home/ali/Desktop/spirals/reproduce-spectre-gem5/gem5/./ARMv8A_Cortex_A72.py", 
line 325, in connectDirect
    cpu.dtb.walker.port = bus.slave
  File "build/ARM/python/m5/SimObject.py", line 1416, in __getattr__
AttributeError: object 'ARM_A72_TLB_L1D' has no attribute 'walker'
  (C++ object is not yet constructed, so wrapped C++ methods are unavailable.)
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