問題描述
在使用ROS啟動(dòng)usb_cam包的usb_cam-test.launch時(shí),
$ roslaunch usb_cam usb_cam-test.launch
出現(xiàn)以下錯(cuò)誤
[usb_cam-2] process has died [pid 6064, exit code -11, cmd /opt/ros/kinetic/lib/usb_cam/usb_cam_node __name:=usb_cam __log:=/home/ubuntu/.ros/log/50cba4e8-5eb1-11ea-b33c-080027ffdb07/usb_cam-2.log].
log file: /home/ubuntu/.ros/log/50cba4e8-5eb1-11ea-b33c-080027ffdb07/usb_cam-2*.log
解決方法
$ cd ~/catkin_ws/src
$ git clone https://github.com/bosch-ros-pkg/usb_cam.git
$ cd ~/catkin_ws
$ catkin_make
$ cd ~/catkin_ws/src/usb_cam/launch
$roslaunch usb_cam-test.launch
其他相關(guān)問題
1、首先要保證usb攝像頭已經(jīng)連接,查看有沒有video0
$ls /dev
2、[ERROR] [1582880044.882793093]: select timeout
解決這個(gè)問題需要在虛擬機(jī)上設(shè)置usb為3.0兼容模式,提供兩中虛擬機(jī)的設(shè)置方式:

VM box在啟動(dòng)虛擬機(jī)之前設(shè)置usb3.0

VMware的usb3.0設(shè)置