In my case I also see often ping-pong_ball, or more often "segmentation fault". I wonder how can I debug this?
On Sunday, October 20, 2019 at 2:11:54 AM UTC-4, Jon Morss wrote: > > I am attempting to run the TIDL example with a Beaglebone AI and the only > thing it seems to report identifying is a ping-pong, although I am not > presenting a ping pong to the camera. I am using a Logitech C920 camera > and have performed all of the updates to the system, so am not sure what I > am missing. > > This is what I see when running the classification.tidl.cpp example: > > sudo mjpg_streamer -i "input_opencv.so -r 640x480 --filter ./ > classification.tidl.so" -o "output_http.so -p 8080 -w > /usr/share/mjpg-streamer/www" > [sudo] password for debian: > MJPG Streamer Version.: 2.0 > i: device........... : default > i: Desired Resolution: 640 x 480 > i: filter........... : ./classification.tidl.so > i: filter args ..... : > Initializing filter > loading configuration > allocating execution object pipelines (EOP) > allocating executors > allocating individual EOPs > allocating I/O memory for each EOP > Allocating input and output buffers > Allocating input and output buffers > Allocating input and output buffers > Allocating input and output buffers > num_eops=4 > About to start ProcessFrame loop!! > http://localhost:8080/?action=stream > o: www-folder-path......: /usr/share/mjpg-streamer/www/ > o: HTTP TCP port........: 8080 > o: HTTP Listen Address..: (null) > o: username:password....: disabled > o: commands.............: enabled > (722)=ping-pong_ball > (722)=ping-pong_ball > (722)=ping-pong_ball > (722)=ping-pong_ball > (722)=ping-pong_ball > (722)=ping-pong_ball > > > This is what I see from dmesg: > > [20753.769040] usb 1-1: New USB device found, idVendor=046d, idProduct= > 082d > [20753.769075] usb 1-1: New USB device strings: Mfr=0, Product=2, > SerialNumber=1 > [20753.769097] usb 1-1: Product: HD Pro Webcam C920 > [20753.769118] usb 1-1: SerialNumber: C0DB0F6F > [20754.099831] uvcvideo: Found UVC 1.00 device HD Pro Webcam C920 (046d: > 082d) > [20754.120146] uvcvideo 1-1:1.0: Entity type for entity Processing 3 was > not initialized! > [20754.120179] uvcvideo 1-1:1.0: Entity type for entity Extension 6 was > not initialized! > > [20754.120323] uvcvideo 1-1:1.0: Entity type for entity Extension 11 was > not initialized! > [20754.125089] input: HD Pro Webcam C920 as /devices/platform/44000000.ocp > /488c0000.omap_dwc3_2/488d0000.usb/xhci-hcd.1.auto/usb1/1-1/1-1:1.0/input/ > input3 > [20754.135851] usbcore: registered new interface driver uvcvideo > [20754.135871] USB Video Class driver (1.1.1) > [20754.437849] usbcore: registered new interface driver snd-usb-audio > [20867.134498] usb 1-1: reset high-speed USB device number 3 using xhci- > hcd > [20867.558788] omap-iommu 58882000.mmu: 58882000.mmu: version 2.1 > [20867.605127] omap_hwmod: mmu0_dsp2: _wait_target_disable failed > [20867.605206] omap-iommu 41501000.mmu: 41501000.mmu: version 3.0 > [20867.605483] omap-iommu 41502000.mmu: 41502000.mmu: version 3.0 > [20867.619103] omap_hwmod: mmu0_dsp1: _wait_target_disable failed > > > Am I missing a step? > > Cheers, > > Jon > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/201d3de7-78e1-4a6a-94d2-673bb11bcb7e%40googlegroups.com.
