I have a relatively old DVB-T stick named Terratec Piranha. Plugging it in Ubuntu 16.04 gives the following error:
[ 4688.982056] usb 2-1: new full-speed USB device number 12 using xhci_hcd
[ 4689.110986] usb 2-1: New USB device found, idVendor=187f, idProduct=0010
[ 4689.110989] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 4689.110991] usb 2-1: Product: SMS 1000
[ 4689.110992] usb 2-1: Manufacturer: Siano
[ 4689.111530] smsusb:smsusb_probe: board id=13, interface number 0
[ 4689.111604] smsusb:smsusb_probe: board id=13, interface number 1
[ 4689.111926] smsusb:smsusb_probe: stellar device in cold state was found at usb\2-1.
[ 4689.111943] usb 2-1: Direct firmware load for dvbt_bda_stellar_usb.inp failed with error -2
[ 4689.111946] smsusb:smsusb1_load_firmware: failed to open 'dvbt_bda_stellar_usb.inp' mode 4, trying again with default firmware
[ 4689.111954] usb 2-1: Direct firmware load for dvbt_bda_stellar_usb.inp failed with error -2
[ 4689.111956] smsusb:smsusb1_load_firmware: failed to open 'dvbt_bda_stellar_usb.inp' mode 4
[ 4689.111958] smsusb:smsusb_probe: Failed to put stellar in warm state. Error: -2
[ 4689.111962] smsusb: probe of 2-1:1.1 failed with error -2
Any suggestions?