The cx8800 TV tuner is supported in the kernel but when computer starts it says that firmware is not found. There is an unofficial firmware that can be downloaded and copied into
/lib/firmware to make the card work. Should I report this missing file as a bug?
I don't see anything for a CX8800 in the file, but it might be worth installing it and seeing one of the firmware files in there support your tuner. If not you can file a bug on the package.