Problem - RPC server on ZCU104

Troubleshooting
#1

When running the start_rpc_server.sh script i get the following error:

Traceback (most recent call last): File "/usr/lib/python3.6/runpy.py", line 183, in _run_module_as_main mod_name, mod_spec, code = _get_module_details(mod_name, _Error) File "/usr/lib/python3.6/runpy.py", line 109, in _get_module_details __import__(pkg_name) File "/home/xilinx/tvm/vta/python/vta/__init__.py", line 25, in <module> from .autotvm import module_loader File "/home/xilinx/tvm/vta/python/vta/autotvm.py", line 21, in <module> from . import rpc_client File "/home/xilinx/tvm/vta/python/vta/rpc_client.py", line 22, in <module> from .environment import get_env File "/home/xilinx/tvm/vta/python/vta/environment.py", line 296, in <module> @register_intrin_lowering("tir.vta.coproc_sync", "default") File "/home/xilinx/tvm/python/tvm/ir/op.py", line 151, in _register _ffi_api.RegisterOpLowerIntrinsic(op_name, f, target, level) AttributeError: module 'tvm.ir._ffi_api' has no attribute 'RegisterOpLowerIntrinsic'

Found a similar issue in Problem：start RPC server in Pynq-Z1 but looking at the fix I can’t find a simmilar solution.

Using a ZCU104 board and running pynq image 2.6 but found the same issue with 2.5 as well.

#2

Actually a similar thing as in the linked post did solve it. Moving

`@register_intrin_lowering(“tir.vta.coproc_sync”, “default”) def coproc_sync(op): _ = op return tvm.tir.call_extern( “int32”, “VTASynchronize”, get_env().dev.command_handle, tvm.runtime.const(1 << 31, dtype=“uint32”), )

@register_intrin_lowering(“tir.vta.coproc_dep_push”, “default”) def coproc_dep_push(op): return tvm.tir.call_extern( “int32”, “VTADepPush”, get_env().dev.command_handle, op.args[0], op.args[1] )

@register_intrin_lowering(“tir.vta.coproc_dep_pop”, “default”) def coproc_dep_pop(op): return tvm.tir.call_extern( “int32”, “VTADepPop”, get_env().dev.command_handle, op.args[0], op.args[1] )
`

From vta/python/vta/environment.py to vta/python/vta/build_module.py seems to be working.