Hi Eamon, Tun/tap device creation require your user to have net admin rights, or alternatively you can run your flowgraph as root. See man setcap.
sudo setcap cap_net_raw,cap_net_admin+eip /path/to/program Regards, Adrian On June 6, 2019 1:43:35 PM UTC, "Heaney, Eamon" <hean...@bishopireton.org> wrote: >Trying to run a modified version of the wifi transceiver from this >repo: >https://github.com/bastibl/gr-ieee802-11 > >Swapped out the USRP source for Osmocom (HackRF), and the USRP sink for >a >null sink. When I try to run it, I get this error: > > >Traceback (most recent call last): > File >"/home/galloway/working/seniordesign/gnuradio-companion/wifi_transceiver.py", >line 343, in <module> > main() > File >"/home/galloway/working/seniordesign/gnuradio-companion/wifi_transceiver.py", >line 331, in main > tb = top_block_cls() > File >"/home/galloway/working/seniordesign/gnuradio-companion/wifi_transceiver.py", >line 236, in __init__ > self.blocks_tuntap_pdu_0 = blocks.tuntap_pdu('tap1', 440, False) > File >"/usr/lib64/python2.7/site-packages/gnuradio/blocks/blocks_swig6.py", >line >1046, in make > return _blocks_swig6.tuntap_pdu_make(dev, MTU, istunflag) >RuntimeError: gr::tuntap_pdu::make: tun_alloc failed (are you running >as >root?) > > > >I am most assuredly *not* running as root, and I'm unsure what >"gr::tuntap_pdu::make" or "tun_alloc" are. There was one similar email >chain (https://marc.info/?l=gnuradio-discuss&m=141563926501407&w=2) >from a >few years ago, but the solution he found doesn't seem to work; changing >TUNTAP PDU doesn't fix the problem. > >Anyone have a clue as to why these tuntap pdu things are acting up? > >-- >_The information contained in this communication may be subject to >legal >confidentiality protection or privilege. It is intended solely for use >by >the intended recipient and others authorized to receive it. If you have > >received this communication in error, please notify the sender and >delete >it immediately. You are hereby notified that any disclosure, copying, >distribution or taking action in reliance of the contents of this >information is strictly prohibited and may be unlawful. The school >accepts >no liability whatsoever for any damage, loss, or expense arising from >any >misuse of this e-mail and/or from the accessing of any files attached >to >this e-mail._
_______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
