schliffen opened a new issue #5449:
URL: https://github.com/apache/incubator-tvm/issues/5449
We are trying to convert a mxnet model into tvm (v7) in windows using the
following part of code:
loading model (works fine):
` mx_sym, args, auxs = mx.model.load_checkpoint(root + ap.mdlrt, 0)
mod, params = relay.frontend.from_mxnet(mx_sym, shape_dict, dtype,
arg_params=args, aux_params=auxs)
`
build tvm model (fails):
` with relay.build_config(opt_level=3):
graph, mod, params = relay.build(mod, target, params=params)
`
in this relay.build we faced with the following error (full log):
`[08:31:15]
C:\Jenkins\workspace\mxnet-tag\mxnet\src\nnvm\legacy_json_util.cc:209: Loading
symbol saved by previous version v1.2.0. Attempting to upgrade...
[08:31:15]
C:\Jenkins\workspace\mxnet-tag\mxnet\src\nnvm\legacy_json_util.cc:217: Symbol
successfully upgraded!
Traceback (most recent call last):
File "E:/TVM/faceTransfer/mxnet2Tvm.py", line 96, in save_tvm_model
graph, mod, params = relay.build(mod, target, params=params)
File
"C:\Python\Python37\site-packages\tvm-0.7.dev1-py3.7-win-amd64.egg\tvm\relay\build_module.py",
line 251, in build
graph_json, mod, params = bld_mod.build(mod, target, target_host, params)
File
"C:\Python\Python37\site-packages\tvm-0.7.dev1-py3.7-win-amd64.egg\tvm\relay\build_module.py",
line 120, in build
self._build(mod, target, target_host)
File
"C:\Python\Python37\site-packages\tvm-0.7.dev1-py3.7-win-amd64.egg\tvm\_ffi\_ctypes\packed_func.py",
line 215, in __call__
ctypes.byref(ret_val), ctypes.byref(ret_tcode)) != 0:
OSError: exception: access violation reading 0x0000000000000000`
system details: Windows 10, Visual Studio-2015, c++14, cuda 10.1, llvm
6.0.1, tvm v7
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