I can just repeat myself for the third time.
You are starting gdb without the executable; python in this case.
> gdb python
^^^^^^^
> gdb-prompt> run /home/user/gr-ieee802-11/examples/wifi_loopback.py
>
> once you hit the error
> gdb-prompt> bt
Best,
Bastian
> On 13 Jul 2015, at 05:56, Nur Jalaudin <li...@ruby-forum.com> wrote:
>
> hi.i am newbie using gnuradio.when i try run the wifi_loopback is comes
> out with this,
>
> Preferences file: /home/userr/.grc
> Block paths:
> /usr/local/share/gnuradio/grc/blocks
> /home/userr/.grc_gnuradio
>
> Loading: "/home/userr/gr-ieee802-11/examples/wifi_loopback.grc"
>>>> Done
>
> Showing: "/home/userr/gr-ieee802-11/examples/wifi_loopback.grc"
>
> Generating: "/home/userr/gr-ieee802-11/examples/wifi_loopback.py"
>>>> Warning: This flow graph may not have flow control: no audio or RF hardware
> blocks found. Add a Misc->Throttle block to your flow graph to avoid CPU
> congestion.
>
> Generating: "/home/userr/gr-ieee802-11/examples/wifi_loopback.py"
>>>> Warning: This flow graph may not have flow control: no audio or RF hardware
> blocks found. Add a Misc->Throttle block to your flow graph to avoid CPU
> congestion.
>
> Executing: "/home/userr/gr-ieee802-11/examples/wifi_loopback.py"
>
> linux; GNU C++ version 4.8.2; Boost_105500;
> UHD_003.008.002-135-ga393ec83
>
> Using Volk machine: avx_64_mmx
> OFDM MAPPER: encoding: 0
> set_min_output_buffer on block 10 to 48000
> set_min_output_buffer on block 14 to 100000
> set_min_output_buffer on block 15 to 10000
> set_min_output_buffer on block 17 to 48000
> set_min_output_buffer on block 28 to 48000
>
>>>> Done (return code -11)
>
> i also try with this
>
> (gdb) run /PATH_TO_THE_WIFI_LOOPBACK_FILE/wifi_loopback.py
> Starting program: /PATH_TO_THE_WIFI_LOOPBACK_FILE/wifi_loopback.py
> No executable file specified.
> Use the "file" or "exec-file" command.
> (gdb) exec-file
> No executable file now.
> (gdb) file
> No executable file now.
> No symbol file now.
> (gdb) backtrace
> No stack.
>
> below is my system info:
> user@userr-X455LDB:~$ python -V
> Python 2.7.6
> user@userr-X455LDB:~$ gnuradio-config-info -v
> 3.7.7.1
> user@userr-X455LDB:~$ uname -a
> Linux userr-X455LDB 3.13.0-53-generic #89-Ubuntu SMP Wed May 20 10:34:39
> UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
> user@userr-X455LDB:~$ gcc --version
> gcc (Ubuntu 4.8.2-19ubuntu1) 4.8.2
> Copyright (C) 2013 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions. There is
> NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
> PURPOSE.
>
> user@userr-X455LDB:~$ cat /etc/lsb-release
> DISTRIB_ID=Ubuntu
> DISTRIB_RELEASE=14.04
> DISTRIB_CODENAME=trusty
> DISTRIB_DESCRIPTION="Ubuntu 14.04.2 LTS"
>
>
> what can i do? i hope you can help me.
> thanks
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