> > *$ lsmod* > *...* > *uvcvideo 80885 0 * > *videobuf2_vmalloc 13216 1 uvcvideo* > *videobuf2_memops 13362 1 videobuf2_vmalloc* > *videobuf2_core 40664 1 uvcvideo* > *videodev 134688 2 uvcvideo,videobuf2_core* > *...* > > *The 3 last aren't being loaded on the BBB. Do you have any suggestions? > What could it be?* > *Thanks a lot for any hints!*
Did you make sure those modules actually exist on the BBB ? On Fri, Sep 5, 2014 at 11:07 AM, gern <[email protected]> wrote: > hello > > I am no expert but I have found qv4l2 a very good tool to help debug > webcams. Often I find the default resolutions are to high for these small > boards > > sudo apt-get install qv4l2 > > On Friday, 5 September 2014 00:03:41 UTC+2, Alejandro Merello wrote: >> >> Hello, >> Could someone give me a hand? I'm having trouble getting a USB Camera >> to work on my BeagleBone Black. >> I'm using a 5V@1A adapter (I thought it could be a power issue), but it >> didn't solve it. I can provide the following information of my system: >> >> $ uname -a >> Linux beaglebone 3.8.13-bone47 #1 SMP Fri Apr 11 01:36:09 UTC 2014 armv7l >> GNU/Linux >> >> $ lsusb >> *Bus 001 Device 002: ID 1871:0101 Aveo Technology Corp. * >> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> >> $ lsmod >> Module Size Used by >> >> *uvcvideo 53354 0 videobuf2_vmalloc 2418 1 uvcvideo* >> g_multi 47670 2 >> libcomposite 14299 1 g_multi >> >> $dmesg | less >> ... >> [ 1196.227457] usb usb1: usb wakeup-resume >> [ 1196.227556] usb usb1: usb auto-resume >> [ 1196.227607] hub 1-0:1.0: hub_resume >> [ 1196.227706] hub 1-0:1.0: port 1: status 0101 change 0001 >> [ 1196.329800] hub 1-0:1.0: state 7 ports 1 chg 0002 evt 0000 >> [ 1196.329910] hub 1-0:1.0: port 1, status 0101, change 0000, 12 Mb/s >> [ 1196.435171] usb 1-1: new high-speed USB device number 3 using musb-hdrc >> [ 1196.562835] usb 1-1: skipped 1 descriptor after configuration >> [ 1196.562886] usb 1-1: skipped 5 descriptors after interface >> [ 1196.562929] usb 1-1: skipped 1 descriptor after endpoint >> [ 1196.562967] usb 1-1: skipped 9 descriptors after interface >> [ 1196.563301] usb 1-1: default language 0x0409 >> [ 1196.564922] usb 1-1: udev 3, busnum 1, minor = 2 >> [ 1196.564969] usb 1-1: New USB device found, idVendor=1871, >> idProduct=0101 >> [ 1196.565009] usb 1-1: New USB device strings: Mfr=1, Product=2, >> SerialNumber=0 >> [ 1196.565044] usb 1-1: Product: USB2.0 Camera >> [ 1196.565079] usb 1-1: Manufacturer: AVEO Technology Corp. >> [ 1196.566432] usb 1-1: usb_probe_device >> [ 1196.566483] usb 1-1: configuration #1 chosen from 1 choice >> [ 1196.566782] usb 1-1: adding 1-1:1.0 (config #1, interface 0) >> >> >> >> *[ 1196.568276] uvcvideo 1-1:1.0: usb_probe_interface[ 1196.568333] >> uvcvideo 1-1:1.0: usb_probe_interface - got id[ 1196.568476] uvcvideo: >> Found UVC 1.00 device USB2.0 Camera (1871:0101)[ 1196.574639] input: USB2.0 >> Camera as >> /devices/ocp.3/47400000.usb/musb-hdrc.1.auto/usb1/1-1/1-1:1.0/input/input2* >> [ 1196.575902] usb 1-1: adding 1-1:1.1 (config #1, interface 1) >> [ 1196.578270] hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0002 >> [ 1196.578369] hub 1-0:1.0: port 1 enable change, status 00000503 >> [ 1199.015323] usb 1-1: usb auto-suspend, wakeup 0 >> [ 1199.029051] hub 1-0:1.0: hub_suspend >> [ 1199.029145] usb usb1: bus auto-suspend, wakeup 1 >> >> $ ls -al /dev/video0 >> crw-rw---T+ 1 root video 81, 0 Sep 4 23:45 /dev/video0 >> >> But when I try to capture some image it fails. I tried with streamer, >> mjpg-streamer and ffmpeg but always get timeout. My impression is that not >> all the modules are being loaded. For instance when I plug the camera on my >> laptop I get the following modules on lsmod: >> >> $ lsmod >> ... >> uvcvideo 80885 0 >> videobuf2_vmalloc 13216 1 uvcvideo >> >> >> *videobuf2_memops 13362 1 videobuf2_vmallocvideobuf2_core >> 40664 1 uvcvideovideodev 134688 2 uvcvideo,videobuf2_core* >> ... >> >> The 3 last aren't being loaded on the BBB. Do you have any suggestions? >> What could it be? >> Thanks a lot for any hints! >> > -- > 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. > -- 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.
