Yeah, I always find it suspect when am example is posted and demo'd but does not seem to work for others.
Headbanging continues. Jon On Tuesday, October 22, 2019 at 4:03:38 PM UTC-7, Dobrin Alexiev wrote: > > 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/e28fe150-3638-4a56-8b34-95034d60bf0e%40googlegroups.com.
