xiaoliyang@xiaoliyang-virtual-machine:~/tvm$ python3 vta/tests/python/pynq/test_program_rpc.py Traceback (most recent call last): File "vta/tests/python/pynq/test_program_rpc.py", line 44, in <module> program_rpc_bitstream() File "vta/tests/python/pynq/test_program_rpc.py", line 35, in program_rpc_bitstream program_fpga(remote, path) File "/home/xiaoliyang/tvm/vta/python/vta/rpc_client.py", line 56, in program_fpga fprogram(os.path.basename(bitstream)) File "/home/xiaoliyang/tvm/python/tvm/_ffi/_ctypes/function.py", line 209, in __call__ raise get_last_ffi_error() tvm._ffi.base.TVMError: Traceback (most recent call last): [bt] (8) /home/xilinx/tvm/build/libtvm_runtime.so(+0x950fc) [0x7fbbbe80fc] [bt] (7) /home/xilinx/tvm/build/libtvm_runtime.so(tvm::runtime::RPCServerLoop(int)+0xc0) [0x7fbbbe7190] [bt] (6) /home/xilinx/tvm/build/libtvm_runtime.so(tvm::runtime::RPCSession::ServerLoop()+0x104) [0x7fbbbdd89c] [bt] (5) /home/xilinx/tvm/build/libtvm_runtime.so(tvm::runtime::RPCSession::HandleUntilReturnEvent(tvm::runtime::TVMRetValue*, bool, tvm::runtime::PackedFunc const*)+0x1b8) [0x7fbbbdd570] [bt] (4) /home/xilinx/tvm/build/libtvm_runtime.so(tvm::runtime::RPCSession::EventHandler::HandleNextEvent(tvm::runtime::TVMRetValue*, bool, tvm::runtime::PackedFunc const*)+0x584) [0x7fbbbe3944] [bt] (3) /home/xilinx/tvm/build/libtvm_runtime.so(tvm::runtime::RPCSession::EventHandler::HandleRecvPackedSeqArg()+0x14c) [0x7fbbbe2d6c] [bt] (2) /home/xilinx/tvm/build/libtvm_runtime.so(tvm::runtime::RPCSession::EventHandler::SwitchToState(tvm::runtime::RPCSession::EventHandler::State)+0x320) [0x7fbbbe1c88] [bt] (1) /home/xilinx/tvm/build/libtvm_runtime.so(tvm::runtime::RPCSession::EventHandler::HandlePackedCall()+0x300) [0x7fbbbdb748] [bt] (0) /home/xilinx/tvm/build/libtvm_runtime.so(+0x280e8) [0x7fbbb7b0e8] File "/home/xilinx/tvm/python/tvm/_ffi/_ctypes/function.py", line 72, in cfun rv = local_pyfunc(*pyargs) File "/home/xilinx/tvm/vta/python/vta/exec/rpc_server.py", line 74, in program_fpga program_bitstream.bitstream_program(env.TARGET, path) File "/home/xilinx/tvm/vta/python/vta/program_bitstream.py", line 52, in bitstream_program pynq_bitstream_program(bitstream) File "/home/xilinx/tvm/vta/python/vta/program_bitstream.py", line 48, in pynq_bitstream_program bitstream.download() File "/usr/local/lib/python3.6/dist-packages/pynq/pl.py", line 1945, in download fd.write(self.binfile_name) TVMError: Except caught from RPC call: OSError: [Errno 22] Invalid argument During handling of the above exception, another exception occurred: OSError: [Errno 22] Invalid argument