[gem5-users] Issue in using HMC in SE mode

[hissa alshamsi via gem5-users]

Hello,

I am using gem5.20 and trying to run the hello world program in se.py using 
HMC, but I’m getting an error saying I’m trying to initiate an orphan node.


build/X86/gem5.opt configs/example/se.py 
--cmd=tests/test-progs/hello/bin/x86/linux/hello --mem-type=HMC_2500_1x32

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "build/X86/python/m5/main.py", line 457, in main
    exec(filecode, scope)
  File "configs/example/se.py", line 287, in <module>
    Simulation.run(options, root, system, FutureClass)
  File "/home/Hessa/gem5_20/gem5-20.1.0.0/configs/common/Simulation.py", line 
622, in run
    m5.instantiate(checkpoint_dir)
  File "build/X86/python/m5/simulate.py", line 119, in instantiate
    for obj in root.descendants(): obj.connectPorts()
  File "build/X86/python/m5/SimObject.py", line 1701, in connectPorts
    portRef.ccConnect()
  File "build/X86/python/m5/params.py", line 1984, in ccConnect
    peer_port = peer.simobj.getPort(peer.name, peer.index)
  File "build/X86/python/m5/SimObject.py", line 1002, in cxx_call
    ccobj = self.getCCClass() if static else self.getCCObject()
  File "build/X86/python/m5/SimObject.py", line 1662, in getCCObject
    raise RuntimeError("Attempt to instantiate orphan node")
RuntimeError: Attempt to instantiate orphan node

Does anyone know what might be the cause and the solution for this?
Thank you,
Hessa.

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