python opencv error “parallel_impl.cpp (240) WorkerThread 155: Can‘t spawn new thread: res = 11“

Posted 2022-01-28 zsytony

这里写自定义目录标题

• Bug

Bug

跑PyTorch 的深度学习的代码，遇到这个bug

[ERROR:0] global /tmp/pip-req-build-cg56sov1/opencv/modules/core/src/parallel_impl.cpp (24
0) WorkerThread 158: Can't spawn new thread: res = 11
[ERROR:0] global /tmp/pip-req-build-cg56sov1/opencv/modules/core/src/parallel_impl.cpp (24
0) WorkerThread 120: Can't spawn new thread: res = 11
[ERROR:0] global /tmp/pip-req-build-cg56sov1/opencv/modules/core/src/parallel_impl.cpp (24
0) WorkerThread 152: Can't spawn new thread: res = 11
[ERROR:0] global /tmp/pip-req-build-cg56sov1/opencv/modules/core/src/parallel_impl.cpp (24
0) WorkerThread 159: Can't spawn new thread: res = 11
[ERROR:0] global /tmp/pip-req-build-cg56sov1/opencv/modules/core/src/parallel_impl.cpp (24
0) WorkerThread 160: Can't spawn new thread: res = 11

解决办法:

在程序一开始加入如下命令即可解决

import cv2
cv2.setNumThreads(1)