Hi, I just built Gnu Radio from source on a new/fresh linux machine (Ubuntu 16)
For some reason, my RTL-SDR device cannot be opened. I get this error: usb_claim_interface error -6 1) The device is present, it shows in dmesg 2) I do not think it is a udev permissions error - a) the rules are installed in /dev/udev/rules.d/15-rtl-sdr.rules b) Running GnuRadio as ROOT - has the same result. 3) Also Running any of the RTL tool commands have the same errors. tried this: http://gnuradio.org/redmine/issues/659 - become root as workaround - does not help 4) I do see the device: /dev/swradio0 - show up 5) DMESG output is below My hunch is this: Something is grabbing the interface And that is stopping GNU radio from using it. Sort of stuck.... Any suggestions? ======================== duane@duane:~$ dmesg [ 1390.155412] usb 3-7: new high-speed USB device number 14 using xhci_hcd [ 1390.351122] usb 3-7: New USB device found, idVendor=0bda, idProduct=2838 [ 1390.351132] usb 3-7: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1390.351138] usb 3-7: Product: RTL2838UHIDIR [ 1390.351144] usb 3-7: Manufacturer: Realtek [ 1390.351149] usb 3-7: SerialNumber: 00000001 [ 1390.358518] usb 3-7: dvb_usb_v2: found a 'Realtek RTL2832U reference design' in warm state [ 1390.411917] usb 3-7: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer [ 1390.411928] DVB: registering new adapter (Realtek RTL2832U reference design) [ 1390.415941] i2c i2c-6: Added multiplexed i2c bus 7 [ 1390.415945] rtl2832 6-0010: Realtek RTL2832 successfully attached [ 1390.415950] usb 3-7: DVB: registering adapter 0 frontend 0 (Realtek RTL2832 (DVB-T))... [ 1390.416003] r820t 7-001a: creating new instance [ 1390.427516] r820t 7-001a: Rafael Micro r820t successfully identified [ 1390.428198] rtl2832_sdr rtl2832_sdr.1.auto: Registered as swradio0 [ 1390.428211] rtl2832_sdr rtl2832_sdr.1.auto: Realtek RTL2832 SDR attached [ 1390.428212] rtl2832_sdr rtl2832_sdr.1.auto: SDR API is still slightly experimental and functionality changes may follow [ 1390.434674] Registered IR keymap rc-empty [ 1390.434714] input: Realtek RTL2832U reference design as /devices/pci0000:00/0000:00:14.0/usb3/3-7/rc/rc0/input26 [ 1390.434794] rc0: Realtek RTL2832U reference design as /devices/pci0000:00/0000:00:14.0/usb3/3-7/rc/rc0 [ 1390.435000] rc rc0: lirc_dev: driver ir-lirc-codec (dvb_usb_rtl28xxu) registered at minor = 0 [ 1390.435044] input: MCE IR Keyboard/Mouse (dvb_usb_rtl28xxu) as /devices/virtual/input/input27 [ 1390.435158] usb 3-7: dvb_usb_v2: schedule remote query interval to 200 msecs [ 1390.451269] usb 3-7: dvb_usb_v2: 'Realtek RTL2832U reference design' successfully initialized and connected duane@duane:~$ lf /dev/swradio0 crw-rw-rw-+ 1 root video 81, 0 Oct 23 16:29 /dev/swradio0 duane@duane:~$ ======================== -Duane. _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
