Hi, On a freshly booted rpi2, I got this in the logs (3rd line from bottom): [ 12.999134] em28xx 1-1.2.4.1:1.0: New device PCTV Systems PCTV 290e @ 480 Mbps (2013:024f, interface 0, class 0) [ 13.072265] em28xx 1-1.2.4.1:1.0: DVB interface 0 found: isoc [ 13.082114] em28xx 1-1.2.4.1:1.0: chip ID is em28174 [ 13.477093] em28xx 1-1.2.4.1:1.0: EEPROM ID = 26 00 01 00, EEPROM hash = 0x11372abd [ 13.491322] em28xx 1-1.2.4.1:1.0: EEPROM info: [ 13.499089] em28xx 1-1.2.4.1:1.0: microcode start address = 0x0004, boot configuration = 0x01 [ 13.538392] em28xx 1-1.2.4.1:1.0: No audio on board. [ 13.546833] em28xx 1-1.2.4.1:1.0: 500mA max power [ 13.554815] em28xx 1-1.2.4.1:1.0: Table at offset 0x39, strings=0x1aa0, 0x14ba, 0x1ace [ 13.569346] em28xx 1-1.2.4.1:1.0: Identified as PCTV nanoStick T2 290e (card=78) [ 13.583142] em28xx 1-1.2.4.1:1.0: dvb set to isoc mode. [ 13.592690] em28xx 1-1.2.4.3:1.0: New device PCTV PCTV 292e @ 480 Mbps (2013:025f, interface 0, class 0) [ 13.609209] em28xx 1-1.2.4.3:1.0: DVB interface 0 found: isoc [ 13.618736] em28xx 1-1.2.4.3:1.0: chip ID is em28178 [ 15.742114] em28xx 1-1.2.4.3:1.0: EEPROM ID = 26 00 01 00, EEPROM hash = 0x1f10fa04 [ 15.742126] em28xx 1-1.2.4.3:1.0: EEPROM info: [ 15.742136] em28xx 1-1.2.4.3:1.0: microcode start address = 0x0004, boot configuration = 0x01 [ 15.749999] em28xx 1-1.2.4.3:1.0: AC97 audio (5 sample rates) [ 15.750012] em28xx 1-1.2.4.3:1.0: 500mA max power [ 15.750028] em28xx 1-1.2.4.3:1.0: Table at offset 0x27, strings=0x146a, 0x1888, 0x0a7e [ 15.750417] em28xx 1-1.2.4.3:1.0: Identified as PCTV tripleStick (292e) (card=94) [ 15.750432] em28xx 1-1.2.4.3:1.0: dvb set to isoc mode. [ 15.753015] usbcore: registered new interface driver em28xx [ 15.808636] em28xx 1-1.2.4.1:1.0: Binding DVB extension [ 15.876054] cxd2820r 4-006c: Sony CXD2820R successfully identified [ 15.905239] tda18271 4-0060: creating new instance [ 15.923907] tda18271: TDA18271HD/C2 detected @ 4-0060 [ 16.425196] dvbdev: DVB: registering new adapter (1-1.2.4.1:1.0) [ 16.435689] em28xx 1-1.2.4.1:1.0: DVB: registering adapter 0 frontend 0 (Sony CXD2820R)... [ 16.453437] em28xx 1-1.2.4.1:1.0: DVB extension successfully initialized [ 16.463783] em28xx 1-1.2.4.3:1.0: Binding DVB extension [ 16.499683] i2c i2c-6: Added multiplexed i2c bus 7 [ 16.508155] si2168 6-0064: Silicon Labs Si2168-B40 successfully identified [ 16.518485] si2168 6-0064: firmware version: B 4.0.2 [ 16.545725] si2157 7-0060: Silicon Labs Si2147/2148/2157/2158 successfully attached [ 16.560772] dvbdev: DVB: registering new adapter (1-1.2.4.3:1.0) [ 16.570481] em28xx 1-1.2.4.3:1.0: DVB: registering adapter 1 frontend 0 (Silicon Labs Si2168)... [ 16.592323] em28xx 1-1.2.4.3:1.0: DVB extension successfully initialized [ 16.602913] em28xx: Registered (Em28xx dvb Extension) extension [ 16.640109] em28xx 1-1.2.4.1:1.0: Registering input extension [ 16.651247] rc rc0: 1-1.2.4.1:1.0 IR as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.2/1-1.2.4/1-1.2.4.1/1-1.2.4.1:1.0/rc/rc0 [ 16.722038] Registered IR keymap rc-pinnacle-pctv-hd [ 16.733053] input: 1-1.2.4.1:1.0 IR as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.2/1-1.2.4/1-1.2.4.1/1-1.2.4.1:1.0/rc/rc0/input2 [ 16.753630] em28xx 1-1.2.4.1:1.0: Input extension successfully initalized [ 16.764109] em28xx 1-1.2.4.3:1.0: Registering input extension [ 16.774447] rc rc1: 1-1.2.4.3:1.0 IR as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.2/1-1.2.4/1-1.2.4.3/1-1.2.4.3:1.0/rc/rc1 [ 16.792973] Registered IR keymap rc-pinnacle-pctv-hd [ 16.802484] input: 1-1.2.4.3:1.0 IR as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.2/1-1.2.4/1-1.2.4.3/1-1.2.4.3:1.0/rc/rc1/input3 [ 16.822322] em28xx 1-1.2.4.3:1.0: Input extension successfully initalized [ 16.832818] em28xx: Registered (Em28xx Input Extension) extension [ 22.142086] si2168 6-0064: downloading firmware from file 'dvb-demod-si2168-b40-01.fw' [ 22.641659] si2168 6-0064: firmware version: B 4.0.11 [ 22.659062] si2157 7-0060: found a 'Silicon Labs Si2157-A30' [ 22.719300] si2157 7-0060: firmware version: 3.0.5 [ 22.728337] em28xx 1-1.2.4.3:1.0: DVB: adapter 1 frontend 0 frequency 0 out of range (42000000..870000000) [ 23.257682] tda18271: performing RF tracking filter calibration [ 26.994564] em28xx 1-1.2.4.1:1.0: write to i2c device at 0xd8 failed with unknown error (status=1) [ 27.021126] __tda18271_write_regs: [4-0060|M] ERROR: idx = 0x21, len = 1, i2c_transfer returned: -6 [ 28.125996] tda18271: RF tracking filter calibration complete [ 28.137028] em28xx 1-1.2.4.1:1.0: DVB: adapter 0 frontend 0 frequency 0 out of range (45000000..864000000) Is this expected? It's running 4.12.3-v7+ from the rpi tree. -Anders