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I'm running Ubuntu 14.04.5 LTS (GNU/Linux 3.13.0-93-generic x86_64), built from a vagrant vm (virtualbox):

 https://github.com/razius/ppy-opencv-vagrant

I've installed libv4l-dev v4l-utils fswebcam gpicview libav-tools cheese, and I see the webcam listed in lsusb / usb-devices:

Bus 002 Device 009: ID 046d:092c Logitech, Inc. QuickCam Chat
T:  Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=12  MxCh= 0
D:  Ver= 1.10 Cls=ff(vend.) Sub=ff Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=046d ProdID=092c Rev=00.00
S:  Manufacturer=
S:  Product=Camera
C:  #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)

The same webcam on a debian vmware works fine, so how can I load the driver here?

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  • 2
    What does lsmod say?
    – Matija Nalis
    Commented Aug 19, 2016 at 19:25
  • 1
    As @MatijaNalis implies, devices are handled by device drivers which become part of the kernel in the form of loadable modules, so we need to see if a suitable module has already been automatically loaded. If not, then we can figure out what module to load and load it temporarily (insmod) for testing and then add it permanently once it works.
    – Joe
    Commented Aug 23, 2016 at 4:35
  • @Ben Nguyen, do you solve the problem?
    – Cloud Cho
    Commented May 28, 2021 at 2:06

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