Hi all I am using the Beableboard-xM and Beaglebone Black-C. Both are using the ubuntu-14.04-console-armhf-2014-08-13 as OS. When each board is connected to a Logitec C270 and used to distribute video using mjpg-streamer, Beaglebone Black can distribute the pipeline even without y option, but the Beagleboard-xM doesn't distribute anything without the y option of mjgp-streamer.
Why do the two boards act differently? version of uvcvideo is the same 1.1.1 log of connected the web camera are as follows Beaglebone Black usb 1-1.4: unregistering device usb 1-1.4: unregistering interface 1-1.4:1.0 usb 1-1.4: unregistering interface 1-1.4:1.1 usb 1-1.4: unregistering interface 1-1.4:1.2 usb 1-1.4: unregistering interface 1-1.4:1.3 usb 1-1.4: usb_disable_device nuking all URBs hub 1-1:1.0: debounce: port 4: total 100ms stable 100ms status 0x100 hub 1-1:1.0: state 7 ports 4 chg 0000 evt 0010 hub 1-1:1.0: port 4, status 0101, change 0001, 12 Mb/s hub 1-1:1.0: debounce: port 4: total 100ms stable 100ms status 0x101 usb 1-1.4: new high-speed USB device number 5 using musb-hdrc usb 1-1.4: skipped 1 descriptor after configuration usb 1-1.4: skipped 8 descriptors after interface usb 1-1.4: skipped 1 descriptor after endpoint usb 1-1.4: skipped 43 descriptors after interface usb 1-1.4: skipped 1 descriptor after endpoint usb 1-1.4: skipped 4 descriptors after interface usb 1-1.4: skipped 2 descriptors after interface usb 1-1.4: skipped 1 descriptor after endpoint usb 1-1.4: skipped 2 descriptors after interface usb 1-1.4: skipped 1 descriptor after endpoint usb 1-1.4: skipped 2 descriptors after interface usb 1-1.4: skipped 1 descriptor after endpoint usb 1-1.4: skipped 2 descriptors after interface usb 1-1.4: skipped 1 descriptor after endpoint usb 1-1.4: default language 0x0409 usb 1-1.4: USB interface quirks for this device: 2 usb 1-1.4: udev 5, busnum 1, minor = 4 usb 1-1.4: New USB device found, idVendor=046d, idProduct=0825 usb 1-1.4: New USB device strings: Mfr=0, Product=0, SerialNumber=2 usb 1-1.4: SerialNumber: 4B254210 usb 1-1.4: usb_probe_device usb 1-1.4: configuration #1 chosen from 1 choice usb 1-1.4: adding 1-1.4:1.0 (config #1, interface 0) uvcvideo 1-1.4:1.0: usb_probe_interface uvcvideo 1-1.4:1.0: usb_probe_interface - got id uvcvideo: Found UVC 1.00 device <unnamed> (046d:0825) input: UVC Camera (046d:0825) as /devices/ocp.3/47400000.usb/musb-hdrc.1.auto/usb1/1-1/1-1.4/1-1.4:1.0/input/input2 usb 1-1.4: adding 1-1.4:1.1 (config #1, interface 1) usb 1-1.4: adding 1-1.4:1.2 (config #1, interface 2) snd-usb-audio 1-1.4:1.2: usb_probe_interface snd-usb-audio 1-1.4:1.2: usb_probe_interface - got id usb 1-1.1: kworker/u:0 timed out on ep0out len=0/4 usb 1-1.4: khubd timed out on ep0out len=3/3 ALSA sound/usb/clock.c:228 5:3:2: cannot set freq 24000 to ep 0x86 usb 1-1.1: kworker/u:0 timed out on ep0in len=0/4 usb 1-1.4: khubd timed out on ep0out len=3/3 ALSA sound/usb/clock.c:228 5:3:3: cannot set freq 32000 to ep 0x86 usb 1-1.1: kworker/u:2 timed out on ep0in len=0/4 usb 1-1.4: khubd timed out on ep0out len=3/3 ALSA sound/usb/clock.c:228 5:3:4: cannot set freq 48000 to ep 0x86 ALSA sound/usb/mixer.c:1299 usb_audio: Warning! Unlikely big volume range (=6144), cval->res is probably wrong. ALSA sound/usb/mixer.c:1303 usb_audio: [5] FU [Mic Capture Volume] ch = 1, val = 1536/7680/1<7>[354449.897676] usb 1-1.4: adding 1-1.4:1.3 (config #1, interface 3) Beagleboard-xM usb 2-2.2: USB disconnect, device number 6 usb 2-2.2: new high-speed USB device number 7 using ehci-omap usb 2-2.2: New USB device found, idVendor=046d, idProduct=0825 usb 2-2.2: New USB device strings: Mfr=0, Product=0, SerialNumber=2 usb 2-2.2: SerialNumber: 4B254210 uvcvideo: Found UVC 1.00 device <unnamed> (046d:0825) input: UVC Camera (046d:0825) as /devices/68000000.ocp/48064000.usbhshost/48064800.ehci/usb2/2-2/2-2.2/2-2.2:1.0/input/input5 usb 2-2.2: set resolution quirk: cval->res = 384 -- 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]. For more options, visit https://groups.google.com/d/optout.
