[Bug 1220645] [NEW] Webcam view shows green screen

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Sighting this problem when using stock 12.04.3 image, during on
installing step of "Choose a Picture",  the webcam view only playback
with green screen.

This issue could be reproduced after installed by using fowllowing tool:
guvcview

or:
/usr/share/checkbox/scripts/camera_test -t display

However Cheese could work normally.

To solve this issue could simply downgrade to xserver-xorg-lts-quantal,
this is also verfied on 12.04.2 stock image, same webcam works normally.


Affected webcams:

1bcf:289e Sunplus
1bcf:2985 Sunplus
0c45:64af Microdia
064e:812c Suyin


ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xserver-xorg-lts-raring 1:7.7+1ubuntu4~precise1
ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5
Uname: Linux 3.8.0-29-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
Date: Wed Sep  4 06:59:59 2013
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: xorg-lts-raring
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: Won't Fix

** Affects: xorg-lts-raring (Ubuntu)
     Importance: Undecided
         Status: Won't Fix


** Tags: amd64 apport-bug blocks-hwcert precise running-unity taipei-lab ubi-webcam
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Webcam view shows green screen
https://bugs.launchpad.net/bugs/1220645
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