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[Warren Jacques <1295247@xxxxxxxxxxxxxxxxxx>]

Same problem - neither Cheese or guvcview produce anything.

Same message on Cheese : "There was an error playing video from webcam"

Command line Cheese output:

bipco@qBok:~$ cheese
libv4l2: error turning on stream: Invalid argument

(cheese:3352): cheese-WARNING **: Internal data flow error.: gstbasesrc.c(2865): gst_base_src_loop (): /GstCameraBin:camerabin/GstWrapperCameraBinSrc:camera_source/GstBin:bin17/GstV4l2Src:video_source:
streaming task paused, reason not-negotiated (-4)

lsusb for webcam: Bus 005 Device 100: ID 046d:081b Logitech, Inc. Webcam
C310

Webcam worked out-of-the-box on previous Ubuntu versions.

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https://bugs.launchpad.net/bugs/1295247

Title:
  Cheese says "There was an error playing video from webcam"

Status in cheese package in Ubuntu:
  Confirmed

Bug description:
  Whenever I open Cheese in Ubuntu 14.04 beta 1 (Unity), my webcam's light once turns on, then it turns off and Cheese turns black, written "There was an error playing video from webcam". This never happened in any previous versions of Ubuntu. 
  The problem is reproducible.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: cheese 3.10.2-0ubuntu2
  ProcVersionSignature: Ubuntu 3.13.0-12.32-generic 3.13.4
  Uname: Linux 3.13.0-12-generic i686
  ApportVersion: 2.13.2-0ubuntu5
  Architecture: i386
  CurrentDesktop: Unity
  Date: Thu Mar 20 22:29:57 2014
  InstallationDate: Installed on 2014-03-20 (0 days ago)
  InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Alpha i386 (20140225)
  SourcePackage: cheese
  UpgradeStatus: No upgrade log present (probably fresh install)

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