[xcb] Unknown request in queue while dequeuing
[xcb] Most likely this is a multi-threaded client and XInitThreads has not been called
[xcb] Aborting, sorry about that.
poll_for_event:
解决:
链接库,在pro文件中
然后
参考文章: Opencv 多线程显示错误 [xcb] Unknown request in queue while dequeuing [xcb] Most likely this is a multi-thre - 从小白做起 - 博客园 (cnblogs.com)
报错:
Failed to load module "canberra-gtk-module"
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