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Thread: Video step in Hardware Testing crashes computer, hard

  1. #1
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    Video step in Hardware Testing crashes computer, hard

    When I run the Hardware Testing command in the System -> Administration menu, the Video step blanks the screen and the computer becomes completely unresponsive. I have to press and hold the power button for 8 seconds to turn the computer off.

  2. #2
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    Re: Video step in Hardware Testing crashes computer, hard

    Hello, phyzome.

    Whenever you request help in forums, it is a good idea to include as much information about your system as you can (particularly your System76 model number) so that we can try to reproduce the problem in our shop.
    To err is human, to forgive is very ... dog-like.

    Thomas Aaron
    FetchMasters, LLC

  3. #3
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    System details

    Ah, sorry about that. I've got a Pangolin Performance (panp4i), which is 64-bit Ubuntu Hardy Heron.

    This problem also occurs when I try to use Cheese (a webcam package) or when I try to play a video.

    The video may actually be a different problem, since the screen recovered somewhat after a few seconds of blackness. (I've attached a photo of the screen.) However, the system is still locked up pretty bad.

    Things to note about the attached photo: Text near the bottom of the screen is choppy, the desktop background is pretty wedged, and some of the file thumbnails display random splotches of color. I suppose this is a corruption of the video data.
    Attached Images Attached Images
    Last edited by phyzome; September 8th, 2008 at 04:15 PM. Reason: detail on attachment

  4. #4
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    Re: Video step in Hardware Testing crashes computer, hard

    Let's forget about the hardware testing utility for a moment. Let's get your webcam working in cheese.

    First, go to System > Admin > System76 Driver > Install (tab) > Install (button).

    Then reboot your computer.

    Now start cheese. You should either see yourself (after several seconds) or multi-colored bars and static.

    If you see the bars and static, turn cheese off. Press Fn-F10 (to turn on the camera) and restart cheese.

    Now, you should definitely see yourself (after several seconds).

    Once you get that far, you might try running Hardware Detection. But, I'm not too concerned about that particular app not working right. It may not be up to speed with the X4500 chips yet. We can try to duplicate it on a shop machine, though.
    To err is human, to forgive is very ... dog-like.

    Thomas Aaron
    FetchMasters, LLC

  5. #5
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    Re: Video step in Hardware Testing crashes computer, hard

    Quote Originally Posted by thomasaaron View Post
    First, go to System > Admin > System76 Driver > Install (tab) > Install (button).

    Then reboot your computer.
    Yeah, that was one of the first things I did after receiving the computer.

    Quote Originally Posted by thomasaaron View Post
    Now start cheese. You should either see yourself (after several seconds) or multi-colored bars and static.
    When I start Cheese, there's a little animation in the viewport for a few seconds (presumably the webcam is being initialized) and then the crash happens. Instant blackout, though the hard drive LED blinks some.

  6. #6
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    Re: Video step in Hardware Testing crashes computer, hard

    Go to a terminal and enter this command:
    gstreamer-properties

    Go to the 'Video' tab.

    What is the default Output plugin set to?
    What is the default Input plugin set to?
    To err is human, to forgive is very ... dog-like.

    Thomas Aaron
    FetchMasters, LLC

  7. #7
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    Re: Video step in Hardware Testing crashes computer, hard

    Default output: Autodetect
    Default input: Video for Linux 2 (v4l2)

    Would it be safe to just try different Inputs and Output settings?

  8. #8
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    Re: Video step in Hardware Testing crashes computer, hard

    Well, the input plugin is correct.

    The output should be fine too. You might want to try setting it to X11/XShm/Xv and see what happens. If it doesn't help set it back to Autodetect.

    Have you downloaded any codecs or anything? Any gstreamer stuff? It's sounding like a hosed config somewhere.

    Our stock install with the System76 driver should work great with the webcam. There is a bug in cheese that causes freezing if the webcam driver isn't compiled (...by the Sytsem76 driver).

    What driver version do you have installed? (...System76 Driver > About).
    To err is human, to forgive is very ... dog-like.

    Thomas Aaron
    FetchMasters, LLC

  9. #9
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    Re: Video step in Hardware Testing crashes computer, hard

    I played around a bit with different settings. It seems that using an output of "X Window System (No Xv)" in combination with "Test Input" will avoid the crash in Cheese -- and cheese then works! Using Xv or either Video 4 Linux option will make the crash return.

    However, this does not solve the crash that occurs with playing AVI files or for that matter the Hardware Testing tool. :-/

  10. #10
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    Re: Video step in Hardware Testing crashes computer, hard

    Quote Originally Posted by thomasaaron View Post
    Have you downloaded any codecs or anything? Any gstreamer stuff? It's sounding like a hosed config somewhere.
    I installed gstreamer0.10-plugins-ugly sometime yesterday, but I /think/ the bug was already present. Here's a list of all package changes since I received the laptop:

    Code:
    aircrack-ng
    apache2.2-common
    apache2
    apache2-mpm-prefork
    apache2-utils
    cheese
    gparted
    gstreamer0.10-plugins-ugly
    gthumb
    kdelibs4c2a
    kdelibs-data
    kismet
    kphotoalbum
    liba52-0.7.4
    libadns1
    libapache2-mod-php5
    libapr1
    libaprutil1
    libarts1c2a
    libartsc0
    libaudio2
    libavahi-qt3-1
    libavcodec1d
    libavformat1d
    libavutil1d
    libdbd-mysql-perl
    libdbi-perl
    libdc1394-13
    libdvbpsi4
    libdvdnav4
    libdvdread3
    libebml0
    libexiv2-2
    libfreebob0
    libgmp3c2
    libgsm1
    libid3tag0
    libiso9660-5
    libjack0
    libkdcraw3
    libkipi0
    liblua50
    liblua5.1-0
    liblualib50
    libmad0
    libmatroska0
    libmcrypt4
    libmodplug0c2
    libmpcdec3
    libmpeg2-4
    libmysqlclient15off
    libnet-daemon-perl
    libnss3-0d
    libplrpc-perl
    libpostproc1d
    libpq5
    libqt3-mt
    libqt3-mt-sqlite
    libqt4-core
    libqt4-gui
    libsdl-image1.2
    libsidplay1
    libtar
    libvcdinfo0
    libvlc0
    libwxbase2.6-0
    libwxgtk2.6-0
    libxalan110
    libxerces27
    libxosd2
    liferea
    mysql-client-5.0
    mysql-common
    mysql-server-5.0
    mysql-server
    nmap
    php5-common
    php5-imagick
    php5
    php5-mcrypt
    php5-mysql
    phpmyadmin
    pidgin-encryption
    pidgin-extprefs
    pidgin-guifications
    pidgin-plugin-pack
    thunderbird-gnome-support
    thunderbird
    ttf-dejavu-extra
    ttf-dejavu
    virtualbox-2.0
    vlc
    vlc-nox
    vlc-plugin-pulse
    weplab
    wireshark-common
    In addition, I've enabled Hardy-proposed, and uninstalled libmagick 9.

    Quote Originally Posted by thomasaaron View Post
    What driver version do you have installed? (...System76 Driver > About).
    I show version 2.2.3.

    I should probably disable all video plugins in Firefox so that I don't crash every time I hit a web page with an embedded WMV. :-/

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