> You should blacklist dvb_usb_rtl28xxu in /etc/modprobe.d/blacklist.conf.
I did as follow: pi@raspberrypi ~ $ cat /etc/modprobe.d/raspi-blacklist.conf # blacklist spi and i2c by default (many users don't need them) blacklist spi-bcm2708 blacklist i2c-bcm2708 #RTL-SDR blacklist dvb_usb_rtl28xxu But i still get "No supported devices found." dmesg now gives: [ 228.582095] usb 1-1.3: reset full-speed USB device number 8 using dwc_otg [ 273.412683] usb 1-1.3: reset full-speed USB device number 8 using dwc_otg [ 303.363140] usb 1-1.3: reset full-speed USB device number 8 using dwc_otg [ 334.783533] usb 1-1.3: reset full-speed USB device number 8 using dwc_otg [ 405.164461] usb 1-1.3: reset full-speed USB device number 8 using dwc_otg [ 428.674770] usb 1-1.3: reset full-speed USB device number 8 using dwc_otg [ 470.555353] usb 1-1.3: reset full-speed USB device number 8 using dwc_otg [ 520.115950] usb 1-1.3: reset full-speed USB device number 8 using dwc_otg [ 1348.097900] usb 1-1.3: USB disconnect, device number 8 [ 1355.247108] usb 1-1.2: new high-speed USB device number 9 using dwc_otg [ 1355.359453] usb 1-1.2: New USB device found, idVendor=0bda, idProduct=2838 [ 1355.359494] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1355.359514] usb 1-1.2: Product: RTL2838UHIDIR [ 1355.359532] usb 1-1.2: Manufacturer: Realtek [ 1355.359549] usb 1-1.2: SerialNumber: 00000001 Regards, David
