Asking for help


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If you have a problem and need to ask for help, there are a few things you should do. First, make sure you have followed the howto and read the troubleshooting guide.

Post your message to the ivtv-users mailing list for help. If you have a development question, post to the ivtv-devel list. Remember that nobody gets anything for their help, and you are more likely to get help if you make it easy for the people helping, and show that you are prepared to help those helping you. Please also have a look at the mailing list rules.

You may not always get an answer immediately. Just repost your question a few days later. People may be busy and have no time to investigate your problem so be patient. And if the mailinglist is very busy your post may have been overlooked. If it is an unusual problem (no sound, no video, freezes) and you get no answer on the ivtv-users mailinglist then you should report the problem to the ivtv-devel list. (Note: due to spamming the following is currently not possible, unfortunately.) If that also fails then enter a bug report here. That way it cannot be forgotten. Don't forget to include your email address!)

Things you should include in your request:

  • A clear description of your problem, and steps to reproduce it, including any warnings or errors from your kernel log.
  • dmesg output of the ivtv modules. This information is essential! Use this script if you are unsure:
dmesg | tac |
sed -n '/=\ \ END INIT IVTV\ \ =/,/= START INIT IVTV =/p;
    /= START INIT IVTV =/q' |
  • The ivtv version you are using, and other versions you have tried.
  • Your module options, if you are using any.
  • If you have an unknown card, then add the pci details of the card. Look for "Multimedia video controller" entries in:
lspci -v
  • If you followed a howto or guide, provide a link to it.
  • In case of installation problems include which Linux distribution you are using, and the kernel version (distribution provided or version)
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