# Problem using AutoTVM: socket.bind error

**URL:** <https://discuss.tvm.apache.org/t/problem-using-autotvm-socket-bind-error/10209>\
**Category:** Uncategorized\
**Created:** [June 10, 2021, 5:16am UTC](https://discuss.tvm.apache.org/t/problem-using-autotvm-socket-bind-error/10209 "2021-06-10T05:16:25Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![JackChen2021](https://discuss.tvm.apache.org/letter_avatar_proxy/v4/letter/j/b9e5f3/32.png) [@JackChen2021](https://discuss.tvm.apache.org/u/JackChen2021)\
**Post date:** [June 10, 2021, 5:16am UTC](https://discuss.tvm.apache.org/t/problem-using-autotvm-socket-bind-error/10209/1 "2021-06-10T05:16:25Z")

</div>

According to tutorial: [Auto-tuning a Convolutional Network for x86 CPU — tvm 0.8.dev0 documentation](http://tvm.apache.org/docs/tutorials/autotvm/tune_relay_x86.html)

Windows10 x64, tvm-0.7.0, python3.8.6

My output is as below:

```auto
Extract tasks...
[Task 1/12] Current/Best: 0.00/ 0.00 GFLOPS | Progress: (0/800) | 0.00 spydev debugger: process 19772 is connecting
Traceback (most recent call last):
  File "C:\Users\xxx\AppData\Local\Programs\Python\Python36\lib\site-packages\tvm\rpc\server.py", line 430, in __init__
    raise sock_err
  File "C:\Users\xxx\AppData\Local\Programs\Python\Python36\lib\site-packages\tvm\rpc\server.py", line 424, in __init__
    sock.bind((host, my_port))
OSError: [WinError 10048] 通常每个套接字地址(协议/网络地址/端口)只允许使用一次。

```