Re: webcam /dev/video missing / ERROR opening V4L interface

[Robin <rc.rattusrattus@gmail.com>]

On 22 January 2014 17:29, Robin <rc.rattusrattus@gmail.com> wrote:
> Was working a couple of months ago, now it's not.
>
> Sid: 3.12-1-amd64 #1 SMP Debian 3.12.8-1 (2014-01-19) x86_64 GNU/Linux
> and 3.11-2 debian kernels
>
> ls /dev/video
> ls: cannot access /dev/video: No such file or directory
>
> webcam logitech c920
>
> lsusb
> Bus 009 Device 009: ID 046d:082d Logitech, Inc. HD Pro Webcam C920
>
> lsmod | grep v4
> v4l2_common            12995  0
> videodev              113380  3 uvcvideo,v4l2_common,videobuf2_core
> i2c_core               24092  4 i2c_piix4,nvidia,v4l2_common,videodev
>
> lsmod | grep uvc
> uvcvideo               78960  0
> videobuf2_vmalloc      12816  1 uvcvideo
> videobuf2_core         35155  1 uvcvideo
> videodev              113380  3 uvcvideo,v4l2_common,videobuf2_core
> media                  18303  2 uvcvideo,videodev
> usbcore               154167  9
> usblp,uvcvideo,usb_storage,ohci_hcd,ohci_pci,ehci_hcd,ehci_pci,usbhid,xhci_hcd
>
> luvcview
> luvcview 0.2.6
>
> SDL information:
>   Video driver: x11
>   A window manager is available
> Device information:
>   Device path:  /dev/video0
> ERROR opening V4L interface: No such file or directory
>
>
> Grepping /lib/udev for '/dev/video' returned no hits.
>
>
>
>
> Thanks
>
> --
> rob

Answer:
Device detection timeout when connected to external usb hub, moved to
motherboard usb port which turned out to be faulty. Moved to another
m'board usb port  and now works as expected.

-- 
rob