TVMError: Check failed: code == RPCCode

[Mooler]

What does this error mean? We meet this error for several times, but it seems that this error have no immediate influence to the whole program.

No: 5 GFLOPS: 0.00/5.29 result: MeasureResult(costs=(RuntimeError('Traceback (most recent call last):\n [bt] (3) 4 libtvm.dylib 0x000000010e53b578 TVMFuncCall + 72\n [bt] (2) 3 libtvm.dylib 0x000000010e556296 std::__1::__function::__func<tvm::runtime::RPCModuleNode::WrapRemote(void*)::\'lambda\'(tvm::runtime::TVMArgs, tvm::runtime::TVMRetValue*), std::__1::allocator<tvm::runtime::RPCModuleNode::WrapRemote(void*)::\'lambda\'(tvm::runtime::TVMArgs, tvm::runtime::TVMRetValue*)>, void (tvm::runtime::TVMArgs, tvm::runtime::TVMRetValue*)>::operator()(tvm::runtime::TVMArgs&&, tvm::runtime::TVMRetValue*&&) + 86\n [bt] (1) 2 libtvm.dylib 0x000000010e55ae42 tvm::runtime::RPCSession::CallFunc(void*, tvm::runtime::TVMArgs, tvm::runtime::TVMRetValue*, tvm::runtime::PackedFunc const*) + 290\n [bt] (0) 1 libtvm.dylib 0x000000010dc08879 dmlc::LogMessageFatal::~LogMessageFatal() + 57\n File "/Users/mooler/tvm/src/runtime/rpc/rpc_session.cc", line 962\nTVMError: Check failed: code == RPCCode: :kRetu',),), error_no=4, all_cost=10.115025997161865, timestamp=1559557467.94116) [('tile_k', [1, 1024]), ('tile_x', [32, 32]), ('tile_y', [1024, 1])],,None,65