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Thread: Mythbuntu backend wont detect my Pinacle PCTV 800i tuner card. I'm completely stumped

  1. #1
    Join Date
    Sep 2009
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    5

    Unhappy Mythbuntu backend wont detect my Pinacle PCTV 800i tuner card. I'm completely stumped

    So I've been bashing my head against a wall on this all day nearly. I have installed the firmware for this card as well as the the latest v4l-dvb drivers through Mercurial. When I go into the backend to set up my capture card it keeps giving me the "Probed info: Failed to Open" when set to analog-V4L or anything else for that matter.
    The video device is blank by default and the VBI device is set to /dev/vbi0 by default and this is something I'm wondering about too. (How do I find my tuner card's actual location?)
    I haven't even got to the audio configuration yet. From what little I've tried I haven't been able to get ALSA to work at all either. This is really depressing and I'm about to just give up.
    Here is the relevant dmesg output: http://pastebin.com/uaFngVME[1]
    Here is the relevant lspci output: http://pastebin.com/ERxfTk3p[2]
    If anyone could help me at all I would greatly appreciate it.
    EDIT: If there is any pertinent information that I've forgotten please let me know.

  2. #2
    Join Date
    Apr 2009
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    Ubuntu 10.04 Lucid Lynx

    Re: Mythbuntu backend wont detect my Pinacle PCTV 800i tuner card. I'm completely stu

    That card has had built-in kernel support for ages..
    http://linuxtv.org/wiki/index.php/Pi...ard_%28800i%29

    Are you sure you have not messed up the v4l-dvb build.
    Can you reboot into a std kernel/liveDVD of mythbuntu & check the dmesg output.

    If you intend to use DVB tuner then there is no audio config. The card outputs (digitally) mpegts streams.

    The logs show mythbackend crashing & re-spawning or is it that you trying to run "mythtv-setup"?

    Mythbuntu uses a wrapper script around the real mythbackend executable but it should stop via upstart..
    sudo service mythtv-backend stop
    mythtv-setup -v all

  3. #3
    Join Date
    Sep 2009
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    Re: Mythbuntu backend wont detect my Pinacle PCTV 800i tuner card. I'm completely stu

    I think I did in fact mess up the v4l-dvb build... Going back I realized that I was getting an error message on the make: http://pastebin.com/8DmyV6au

    make[2]: Entering directory `/usr/src/linux-headers-3.8.0-19-generic'
    CC [M] /home/james/v4l-dvb/v4l/tuner-xc2028.o
    In file included from <command-line>:0:0:
    /home/james/v4l-dvb/v4l/config-compat.h:1249:1: fatal error: include/linux/version.h: No such file or directory
    compilation terminated.

    This is where it starts to mess up.

  4. #4
    Join Date
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    Ubuntu 10.04 Lucid Lynx

    Re: Mythbuntu backend wont detect my Pinacle PCTV 800i tuner card. I'm completely stu

    I think the mercurial packages are ancient..
    They have been using git for some time..

    If your build failed then the install should have not succeeded. But anything is possible..
    And it is very odd that mythbackend is crashing..

    http://linuxtv.org/wiki/index.php/Ho...Device_Drivers
    Try the basic approach..

    Or just re-install the kernel package & forget building the dvb module.

  5. #5
    Join Date
    Sep 2009
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    Re: Mythbuntu backend wont detect my Pinacle PCTV 800i tuner card. I'm completely stu

    Speaking from ignorance, is there anything I need to do as far as removing the driver files before I retry with git instead?

  6. #6
    Join Date
    Sep 2009
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    Re: Mythbuntu backend wont detect my Pinacle PCTV 800i tuner card. I'm completely stu

    I don't understand why this is so effing difficult. I give up. I know I'm not the best at this but it shouldn't be this hard to make work. I followed the wiki guide. Did everything linuxtv.org said to do to install v4l-dvb drivers on here http://git.linuxtv.org/media_tree.git. Only to find out that gcc wasn't installed by default as well as mercurial or git. After figuring all this out, following ALL the steps as far as the make and make install, (through git instead of mercurial) the only thing I ended up having was 4 hours of wasted time watching drivers compile for... god knows what, an entire image of something maybe, who knows it certainly took long enough, and 10 gigs of wasted hard drive space. I GIVE UP! This is stupid... I hate feeling like I can't accomplish this but **** this ****.

  7. #7
    Join Date
    Apr 2009
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    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Mythbuntu backend wont detect my Pinacle PCTV 800i tuner card. I'm completely stu

    With hindsight you'll have to agree it was self inflicted..
    You never needed to build the v4l drivers..

    It does not require GB of space..my dvb-vl4 folder is < 40MB..builds in minutes..
    You must have ended up building the whole kernel..that's not required, the modules are loaded on existing kernel using DKMS..

    MythTV is about 1.5GB but that is because of the external packages included..

    Building any driver with a kernel space component is not be be undertaken lightly..
    You can just boot the previous kernel from grub & then wipe the broken kernel away with synaptic etc.

    The std *buntu system & every linux box has a c compiler, you just don't get all the build tools & dev packages & headers etc..because most people don't need them.
    The prerequisites for building packages can be determined & installed from the package manager system & in the case of dvb-v4l, are listed on the linuxtv site..

  8. #8
    Join Date
    Sep 2009
    Beans
    5

    Re: Mythbuntu backend wont detect my Pinacle PCTV 800i tuner card. I'm completely stu

    Yeah... not agreeing with you on that one. This shouldn't have been made so ridiculously complicated just to get a tv tuner card to work properly.

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