spinnaker_sdk_camera_driver: Failed waiting for EventData on NEW_BUFFER_DATA event [-1011]

Hi, I use two camera (BFS-U3-16S2C-CS), and I connect this two camera to my laptop’s two different USB3 port. Then I follow your document rewrite the “test.yaml” ` cam_ids:

• 18575250
• 18012381 cam_aliases:
• cam0
• cam1 master_cam: 18575250 skip: 20 delay: 1.0 and I get this Error INFO] [1562686267.400490846]: [ OK ] USB memory: 1500 MB [ INFO] [1562686267.400648559]: *** PARAMETER SETTINGS *** [ INFO] [1562686267.400675644]: ** Date = 20190709 [ INFO] [1562686267.401506943]: Save path set via parameter to: /home/lxd [ INFO] [1562686267.401574484]: Camera IDs: [ INFO] [1562686267.402252559]: 18575250 [ INFO] [1562686267.402289423]: 18012381 [ INFO] [1562686267.402929153]: Camera Aliases: [ INFO] [1562686267.402959661]: 18575250 >> cam0 [ INFO] [1562686267.402992996]: 18012381 >> cam1 [ INFO] [1562686267.404053349]: Unique time stamps for each camera: false [ INFO] [1562686267.404784677]: color set to: false [ INFO] [1562686267.405329043]: Exporting images to ROS: true [ INFO] [1562686267.405853776]: Showing live images setting: false [ INFO] [1562686267.406456399]: Showing grid-style live images setting: false [ INFO] [1562686267.407043810]: Max Rate Save Mode: false [ INFO] [1562686267.407514213]: Displaying timing details: false [ INFO] [1562686267.408018557]: No. of images to skip set to: 20 [ INFO] [1562686267.408574815]: Init sleep delays set to : 1.00 sec [ WARN] [1562686267.409098651]: ‘fps’ Parameter not set, using default behavior: fps=20.00 [ INFO] [1562686267.409576668]: ‘exposure_time’=0, Setting autoexposure [ INFO] [1562686267.410089067]: ‘target_grey_value’=0, Setting AutoExposureTargetGreyValueAuto to Continuous/ auto [ INFO] [1562686267.410597933]: Binning set to: 2 [ INFO] [1562686267.411152542]: Using Software rate control, rate set to: 20 [ INFO] [1562686267.412026190]: Saving images set to: 0 [ INFO] [1562686267.412867108]: Camera Intrinsic Paramters: [ INFO] [1562686267.413047461]: 1886.923214 0.000000 604.721488 0.000000 1886.666877 493.477267 0.000000 0.000000 1.000000 [ INFO] [1562686267.413095712]: 1886.923214 0.000000 604.721488 0.000000 1886.666877 493.477267 0.000000 0.000000 1.000000 [ INFO] [1562686267.414018941]: Camera Distortion Paramters: [ INFO] [1562686267.414089253]: -0.021142 -0.373387 2.385983 3.282457 [ INFO] [1562686267.414128283]: -0.021142 -0.373387 2.385983 3.282457 [ INFO] [1562686267.415671602]: Camera Rectification Paramters: [ INFO] [1562686267.416153002]: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 [ INFO] [1562686267.416241537]: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 [ INFO] [1562686267.418700859]: Camera Projection Paramters: [ INFO] [1562686267.418818628]: 913.700317 0.000000 953.448302 0.000000 0.000000 1063.296631 777.871993 0.000000 0.000000 0.000000 1.000000 0.000000 [ INFO] [1562686267.418866921]: 913.700317 0.000000 953.448302 0.000000 0.000000 1063.296631 777.871993 0.000000 0.000000 0.000000 1.000000 0.000000 [ INFO] [1562686267.418891334]: Camera coeffs provided, camera info messges will be published. [ INFO] [1562686267.418948098]: Creating system instance… [ INFO] [1562686267.420515779]: Retreiving list of cameras… [ INFO] [1562686268.391111021]: Numer of cameras found: 2 [ INFO] [1562686268.391183358]: Cameras connected: 2 [ INFO] [1562686268.391275448]: -18575250 [ INFO] [1562686268.391328738]: -18012381 [ INFO] [1562686268.469329701]: Dynamic Reconfigure: Level : 4294967295 [ INFO] [1562686268.470869437]: *** FLUSH SEQUENCE *** [ INFO] [1562686268.470903906]: Initializing cameras… [ INFO] [1562686269.084765526]: Deinitializing cameras… [ INFO] [1562686269.094301500]: All cameras deinitialized. [ INFO] [1562686271.094662583]: Initializing cameras… [ INFO] [1562686271.662068798]: *** ACQUISITION *** terminate called after throwing an instance of ‘Spinnaker::Exception’ what(): Spinnaker: Failed waiting for EventData on NEW_BUFFER_DATA event [-1011] [acquisition_node-2] process has died [pid 12802, exit code -6, cmd /home/lxd/rosworkspace/devel/lib/spinnaker_sdk_camera_driver/acquisition_node __name:=acquisition_node __log:=/home/lxd/.ros/log/91b2573c-a25e-11e9-a6d0-14abc578a8ca/acquisition_node-2.log]. log file: /home/lxd/.ros/log/91b2573c-a25e-11e9-a6d0-14abc578a8ca/acquisition_node-2*.log ` I want to use this two camera for stereo camera, and I can use this package to get image from camera respectively now. So what problems I met, must i follow the document “Muticamera Master-Slave Setup”?