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I got an Acer with a Suyin built-in camera. It has worked perfectly
since I have change from Window 8 three weeks ago but recently has
showed me a black screen when using Skype or cheese. I have tried to
reboot Ubuntu on it. First time it did work until I installed the
recommended updates. Untill third time I rebooted, it has worked but
somehow it went black again after some updates. I now tried to boot
Ubuntu version 12.04 instead of 12.10. It has work so far with all the
updates installed I could get a picture on my webcam when using Skype.
But today without any updates it crashed and now I am back with the
black screen on both Skype and Cheese.

 One other thing is my screenlight cannot be dimmed, this is from both
Ubuntu version. When I pressed the command «Fn+up or down» it doens't
dim the screen but it shows the screenlight bar going up or down on the
screen. So I know it is working somehow if it shows the command on the
screen.

Here I have tested and got some information from the system to
understand better what was going on with the camera. Unfortunately I
dont really understand them. Hope you can do better :)


The camera has been detected by the System Testing but gives me anwers like this for the first test: *Could not load image 'camera_test_25112w.jpg'.Error interpreting JPEG image file (Improper call to JPEG library in state 200)*

And the final results: camera/detect PASSED: /dev/video0: OK name : HD
WebCam driver : uvcvideo version: 3.5.7 flags : 0x4000001 [ CAPTURE
STREAMING ] Format: YUYV (YUV 4:2:2 (YUYV)) Resolutions:
640x480,160x120,176x144,320x240,352x288,1280x720,640x480 Format: MJPG
(MJPEG) Resolutions:
640x480,160x120,176x144,320x240,352x288,1280x720,640x480

camera/still FAILED
camera/display FAILED
optical/detect PASSED HL-DT-ST DVDRAM GU61N

optical/read_sr0 FAILED

If you need I also have the lsusb: lsusb

Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching
Hub

Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching
Hub

Bus 003 Device 002: ID 04f3:0023 Elan Microelectronics Corp.

Bus 003 Device 003: ID 064e:e330 Suyin 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

Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub

Last of all I ran gstreamer-properties and see what I got.

gstreamer-properties-Message: Skipping unavailable plugin 'artsdsink'

gstreamer-properties-Message: Skipping unavailable plugin 'esdsink'

gstreamer-properties-Message: Skipping unavailable plugin 'sunaudiosink'

gstreamer-properties-Message: Skipping unavailable plugin 'glimagesink'

gstreamer-properties-Message: Skipping unavailable plugin 'sdlvideosink'

gstreamer-properties-Message: Skipping unavailable plugin 'v4lmjpegsrc'

gstreamer-properties-Message: Skipping unavailable plugin 'qcamsrc'

gstreamer-properties-Message: Skipping unavailable plugin 'v4lsrc'

gstreamer-properties-Message: Skipping unavailable plugin 'esdmon'

gstreamer-properties-Message: Skipping unavailable plugin 'sunaudiosrc'

gstreamer-properties-Message: Error running pipeline 'Video for Linux 2
(v4l2)': Could not get buffers from device '/dev/video0'.
[gstv4l2bufferpool.c(405):

gst_v4l2_buffer_pool_new (): /GstPipeline:pipeline1/GstV4l2Src:v4l2src2:
error requesting 2 buffers: Device or resource busy]

gstreamer-properties-Message: Error running pipeline 'Video for Linux 2
(v4l2)': Could not get buffers from device '/dev/video0'.
[gstv4l2bufferpool.c(405):

gst_v4l2_buffer_pool_new (): /GstPipeline:pipeline2/GstV4l2Src:v4l2src3:
error requesting 2 buffers: Device or resource busy]

Thank you so much for your help.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: update-manager 1:0.156.14.11
ProcVersionSignature: Ubuntu 3.5.0-25.38~precise1-generic 3.5.7.4
Uname: Linux 3.5.0-25-generic i686
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: i386
CheckboxSubmission: 00f6268b004fd25e16225071fc187a14
CheckboxSystem: 2954e74ba17fb0e37fc942cd1d9fab4e
Date: Mon Feb 25 10:14:03 2013
GsettingsChanges:
 com.ubuntu.update-manager first-run false
 com.ubuntu.update-manager launch-time 1361569523
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release i386 (20130213)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
Symptom: ubuntu-release-upgrader-core
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug dist-upgrade i386 precise running-unity
-- 
Blackscreen detected in-built camera
https://bugs.launchpad.net/bugs/1132703
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