开启udev日志
udev 的配置文件
[root@HOST_RHEL5 ~]# cat /etc/udev/udev.conf
# udev.conf
# The initial syslog(3) priority: "err", "info", "debug" or its
# numerical equivalent. For runtime debugging, the daemons internal
# state can be changed with: "udevcontrol log_priority=".
udev_log="err"
udev_log:syslog记录日志的级别,默认值是 err。如果改为 info 或者 debug 的话,会有冗长的 udev 日志被记录下来。
重启udevd
sudo systemctl restart systemd-udevd