解决Failed to find an available port: Address already in use

很多时候运行QEMU我们会加入-s选项,在某些情况下没有正常关闭QEMU会使得端口未被释放,这时就会出现Failed to find an available port: Address already in use错误。这个问题我经常会遇到,但每次都要查阅相关资料,这里记录一下。不多BB,解决方法如下:

利用sudo lsof -i tcp:端口号查找相关进程,这里QEMU的-s选项默认GDB端口号是1234,所以我们输入下述命令

[deadpool@localhost linux-nova]$ sudo lsof -i tcp:1234
COMMAND       PID USER   FD   TYPE  DEVICE SIZE/OFF NODE NAME
qemu-syst 1008828 root    9u  IPv4 1702471      0t0  TCP *:search-agent (LISTEN)
qemu-syst 1008828 root   10u  IPv6 1702472      0t0  TCP *:search-agent (LISTEN)

接下来,杀死相关进程即可:

[deadpool@localhost linux-nova]$ sudo kill 1008828

OK,现在就可以起飞了🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫🛫

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解决Failed to find an available port: Address already in use