# RPCError: Error caught from RPC call: **URL:** \ **Category:** Support\ **Created:** [November 8, 2023, 11:46am UTC](https://discuss.pynq.io/t/rpcerror-error-caught-from-rpc-call/6276 "2023-11-08T11:46:52Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![Prasad\_Gorantla](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/prasad_gorantla/32/5301_2.png) [@Prasad\_Gorantla](https://discuss.pynq.io/u/Prasad_Gorantla)\ **Post date:** [November 8, 2023, 11:46am UTC](https://discuss.pynq.io/t/rpcerror-error-caught-from-rpc-call/6276/1 "2023-11-08T11:46:52Z")
setup: -using PYNQ-Z2 board with V2.7 image -powered with adapter with jumper to REG issue: while running test\_benchmark\_topi\_conv2d.py I am getting RPCError in both with local as well as downloaded bit stream file. pl help in rootcausing. log: xilinx@pynq:~/tvm$ python ./vta/tests/python/integration/test\_benchmark\_topi\_conv2d.py URLError(ConnectionResetError(104, ‘Connection reset by peer’)) Download attempt 0/3 failed, retrying. URLError(ConnectionResetError(104, ‘Connection reset by peer’)) Download attempt 1/3 failed, retrying. Conv2DWorkload(batch=1, height=56, width=56, in\_filter=64, out\_filter=64, hkernel=3, wkernel=3, hpad=1, wpad=1, hstride=1, wstride=1) CPU CONV2D TEST PASSED: Time cost = 0.143871 sec/op, 1.60708 GOPS Conv2DWorkload(batch=1, height=56, width=56, in\_filter=64, out\_filter=128, hkernel=3, wkernel=3, hpad=1, wpad=1, hstride=2, wstride=2) CPU CONV2D TEST PASSED: Time cost = 0.0770264 sec/op, 1.50086 GOPS Conv2DWorkload(batch=1, height=56, width=56, in\_filter=64, out\_filter=128, hkernel=1, wkernel=1, hpad=0, wpad=0, hstride=2, wstride=2) CPU CONV2D TEST PASSED: Time cost = 0.01033 sec/op, 1.24347 GOPS Conv2DWorkload(batch=1, height=28, width=28, in\_filter=128, out\_filter=128, hkernel=3, wkernel=3, hpad=1, wpad=1, hstride=1, wstride=1) CPU CONV2D TEST PASSED: Time cost = 0.162596 sec/op, 1.422 GOPS Conv2DWorkload(batch=1, height=28, width=28, in\_filter=128, out\_filter=256, hkernel=3, wkernel=3, hpad=1, wpad=1, hstride=2, wstride=2) CPU CONV2D TEST PASSED: Time cost = 0.0778063 sec/op, 1.48581 GOPS Conv2DWorkload(batch=1, height=28, width=28, in\_filter=128, out\_filter=256, hkernel=1, wkernel=1, hpad=0, wpad=0, hstride=2, wstride=2) CPU CONV2D TEST PASSED: Time cost = 0.0098826 sec/op, 1.29976 GOPS Conv2DWorkload(batch=1, height=14, width=14, in\_filter=256, out\_filter=256, hkernel=3, wkernel=3, hpad=1, wpad=1, hstride=1, wstride=1) CPU CONV2D TEST PASSED: Time cost = 0.171096 sec/op, 1.35135 GOPS Conv2DWorkload(batch=1, height=14, width=14, in\_filter=256, out\_filter=512, hkernel=3, wkernel=3, hpad=1, wpad=1, hstride=2, wstride=2) CPU CONV2D TEST PASSED: Time cost = 0.105497 sec/op, 1.09582 GOPS Conv2DWorkload(batch=1, height=14, width=14, in\_filter=256, out\_filter=512, hkernel=1, wkernel=1, hpad=0, wpad=0, hstride=2, wstride=2) CPU CONV2D TEST PASSED: Time cost = 0.0126969 sec/op, 1.01167 GOPS Conv2DWorkload(batch=1, height=7, width=7, in\_filter=512, out\_filter=512, hkernel=3, wkernel=3, hpad=1, wpad=1, hstride=1, wstride=1) CPU CONV2D TEST PASSED: Time cost = 0.202319 sec/op, 1.14281 GOPS Traceback (most recent call last): File “./vta/tests/python/integration/test\_benchmark\_topi\_conv2d.py”, line 318, in test\_conv2d(device=“vta”) File “./vta/tests/python/integration/test\_benchmark\_topi\_conv2d.py”, line 313, in test\_conv2d vta.testing.run(\_run) File “/home/xilinx/tvm/vta/python/vta/testing/utils.py”, line 74, in run run\_func(env, remote) File “./vta/tests/python/integration/test\_benchmark\_topi\_conv2d.py”, line 304, in \_run program\_fpga(remote, bitstream=None) File “/home/xilinx/tvm/vta/python/vta/rpc\_client.py”, line 68, in program\_fpga fprogram(os.path.basename(bitstream)) File “/home/xilinx/tvm/python/tvm/\_ffi/\_ctypes/packed\_func.py”, line 239, in **call** raise\_last\_ffi\_error() File “/home/xilinx/tvm/python/tvm/\_ffi/base.py”, line 476, in raise\_last\_ffi\_error raise py\_err tvm.error.RPCError: Traceback (most recent call last): 3: tvm::runtime::RPCWrappedFunc::operator()(tvm::runtime::TVMArgs, tvm::runtime::TVMRetValue\*) const 2: tvm::runtime::RPCClientSession::CallFunc(void\*, TVMValue const\*, int const\*, int, std::function\ const&) 1: tvm::runtime::RPCEndpoint::CallFunc(void\*, TVMValue const\*, int const\*, int, std::function\) 0: tvm::runtime::RPCEndpoint::HandleUntilReturnEvent(bool, std::function\) File “/home/xilinx/tvm/src/runtime/rpc/rpc\_endpoint.cc”, line 390 RPCError: Error caught from RPC call: xilinx@pynq:~/tvm$ ls -l /home/xilinx/.vta\_cache/pynq/0\_0\_2/1x16\_i8w8a32\_15\_15\_18\_17.bit -rw-rw-r-- 1 xilinx xilinx 4045671 Nov 4 02:30 /home/xilinx/.vta\_cache/pynq/0\_0\_2/1x16\_i8w8a32\_15\_15\_18\_17.bit xilinx@pynq:~/tvm$ date Sat 04 Nov 2023 02:50:33 AM UTC xilinx@pynq:~/tvm$ ls -l /home/xilinx/bitstreams/pynq/0.0.2/1x16\_i8w8a32\_15\_15\_18\_17.bit -rwxrwxrwx 1 xilinx xilinx 4045671 Nov 2 14:02 /home/xilinx/bitstreams/pynq/0.0.2/1x16\_i8w8a32\_15\_15\_18\_17.bit xilinx@pynq:~/tvm$ server side log: xilinx@pynq:~/tvm$ sudo ./apps/vta\_rpc/start\_rpc\_server.sh [sudo] password for xilinx: INFO:numexpr.utils:NumExpr defaulting to 2 threads. 2023-11-04 02:19:13.925 INFO bind to 0.0.0.0:9091 2023-11-04 02:20:26.364 INFO connected from (‘192.168.2.99’, 48604) 2023-11-04 02:20:26.434 INFO start serving at /tmp/tmpr15zipi2 INFO:root:Loading VTA library: /home/xilinx/tvm/vta/python/vta/…/…/…/build/libvta.so 2023-11-04 02:20:59.721 INFO load\_module /tmp/tmpr15zipi2/conv2d.o INFO:root:Loading VTA library: /home/xilinx/tvm/vta/python/vta/…/…/…/build/libvta.so 2023-11-04 02:21:27.994 INFO load\_module /tmp/tmpr15zipi2/conv2d.o INFO:root:Loading VTA library: /home/xilinx/tvm/vta/python/vta/…/…/…/build/libvta.so 2023-11-04 02:21:43.721 INFO load\_module /tmp/tmpr15zipi2/conv2d.o INFO:root:Loading VTA library: /home/xilinx/tvm/vta/python/vta/…/…/…/build/libvta.so 2023-11-04 02:22:11.356 INFO load\_module /tmp/tmpr15zipi2/conv2d.o INFO:root:Loading VTA library: /home/xilinx/tvm/vta/python/vta/…/…/…/build/libvta.so 2023-11-04 02:22:53.086 INFO load\_module /tmp/tmpr15zipi2/conv2d.o INFO:root:Loading VTA library: /home/xilinx/tvm/vta/python/vta/…/…/…/build/libvta.so 2023-11-04 02:23:20.331 INFO load\_module /tmp/tmpr15zipi2/conv2d.o INFO:root:Loading VTA library: /home/xilinx/tvm/vta/python/vta/…/…/…/build/libvta.so 2023-11-04 02:24:14.126 INFO load\_module /tmp/tmpr15zipi2/conv2d.o INFO:root:Loading VTA library: /home/xilinx/tvm/vta/python/vta/…/…/…/build/libvta.so 2023-11-04 02:25:52.478 INFO load\_module /tmp/tmpr15zipi2/conv2d.o INFO:root:Loading VTA library: /home/xilinx/tvm/vta/python/vta/…/…/…/build/libvta.so 2023-11-04 02:27:07.138 INFO load\_module /tmp/tmpr15zipi2/conv2d.o INFO:root:Loading VTA library: /home/xilinx/tvm/vta/python/vta/…/…/…/build/libvta.so 2023-11-04 02:29:54.947 INFO load\_module /tmp/tmpr15zipi2/conv2d.o 2023-11-04 02:29:57.461 INFO finish serving (‘192.168.2.99’, 48604) 2023-11-04 02:29:57.468 INFO connected from (‘192.168.2.99’, 48612) 2023-11-04 02:29:57.471 INFO start serving at /tmp/tmpqvkk1t9r INFO:root:Generating grammar tables from /usr/lib/python3.8/lib2to3/Grammar.txt INFO:root:Generating grammar tables from /usr/lib/python3.8/lib2to3/PatternGrammar.txt 2023-11-04 02:30:20.159 INFO finish serving (‘192.168.2.99’, 48612)