I get some errors loading the driver (modprobe cx231xx): [ 8177.651308] cx231xx 2-3:1.1: New device Hauppauge Hauppauge Device @ 480 Mbps (2040:c200) with 6 interfaces [ 8177.651416] cx231xx 2-3:1.1: can't change interface 3 alt no. to 3: Max. Pkt size = 0 [ 8177.651418] cx231xx 2-3:1.1: Identified as Hauppauge USB Live 2 (card=9) [ 8177.652390] i2c i2c-10: Added multiplexed i2c bus 12 [ 8177.652525] i2c i2c-10: Added multiplexed i2c bus 13 [ 8177.737412] cx25840 9-0044: cx23102 A/V decoder found @ 0x88 (cx231xx #0-0) [ 8179.800209] cx25840 9-0044: loaded v4l-cx231xx-avcore-01.fw firmware (16382 bytes) [ 8179.834337] cx231xx 2-3:1.1: v4l2 driver version 0.0.3 [ 8179.925757] cx231xx 2-3:1.1: Registered video device video0 [v4l2] [ 8179.925974] cx231xx 2-3:1.1: Registered VBI device vbi0 [ 8179.925986] cx231xx 2-3:1.1: video EndPoint Addr 0x84, Alternate settings: 5 [ 8179.925991] cx231xx 2-3:1.1: VBI EndPoint Addr 0x85, Alternate settings: 2 [ 8179.925994] cx231xx 2-3:1.1: sliced CC EndPoint Addr 0x86, Alternate settings: 2 [ 8179.926036] usbcore: registered new interface driver cx231xx [ 8179.935145] cx231xx 2-3:1.1: audio EndPoint Addr 0x83, Alternate settings: 3 [ 8179.935147] cx231xx 2-3:1.1: Cx231xx Audio Extension initialized [ 8179.984924] cx231xx 2-3:1.1: cx231xx_send_usb_command: failed with status --32 [ 8180.031215] cx231xx 2-3:1.1: cx231xx_send_usb_command: failed with status --22 [ 8180.037242] cx231xx 2-3:1.1: cx231xx_send_usb_command: failed with status --22 [ 8180.196931] cx231xx 2-3:1.1: cx231xx_send_usb_command: failed with status --22 [ 8180.197304] cx231xx 2-3:1.1: cx231xx_send_usb_command: failed with status --22 I also get non-working sound some of the time, however video capture with ffmpeg works quite well. I have been testing using the following capture command: ffmpeg -thread_queue_size 512 -f alsa -i hw:2,0 -thread_queue_size 512 \ -f v4l2 -standard pal -i /dev/video0 -codec:v huffyuv -aspect 4:3 \ -codec:a pcm_s16le out.mkv I've tried with 4.4.14, 4.9.45, 4.9.50. Also tried: 4.13.0-rc4 (with linuxtv/master a couple of days ago). They all do the same thing. thanks, Mark.