Re: [Discuss-gnuradio] help about gr-ieee802-11

[Bastian Bloessl]

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 <address@hidden> 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:
> address@hidden:~$ python -V
> Python 2.7.6
> address@hidden:~$ gnuradio-config-info -v
> 3.7.7.1
> address@hidden:~$ 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
> address@hidden:~$ 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.
> 
> address@hidden:~$ 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