Hi,
Not sure which is the key piece. But combination of all these results
for me in video capture working predictably, with no cut-down of USB
bus. The failure case 'lsusb -v' still coredumps, but video capture
works.
1) Run mainline kernel 3.15.0-999-generic x86_64 or newer.
2) Do the apt-get update, upgrade. Make sure to update libudev, libgudev,
plus vlc and its libs to newest version for trusty.
3) Firmware file needs to be corrected; get file dvb-fe-xc5000-4.1.30.7.fw
from kernellabs. It is 16,497 bytes.
Copy the kernellabs firmware file to
/lib/firmware/dvb-fe-xc5000-1.6.114.fw
Perhaps making a backup of the original..
4) make udev rule
/etc/udev/rules.d/99-hauppauge.rules
SUBSYSTEM=="usb", ATTRS{iVendor}=="2040", ATTRS{iProduct}=="7200", MODE="0666"
5) Make sure vlc command is addressing the correct video and audio input
devices belonging to the Hauppauge. In my case;
vlc -v v4l2:///dev/video0:input=1:width=720:height:480
--input-slave=alsa://hw:2,0 --sout "#blah all my transcode crap"
Hope this helps.
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https://bugs.launchpad.net/bugs/1306712
Title:
trusty on Intel NUC, xc5000 firmware load kills all USB
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