Re: [Discuss-gnuradio] Segmentation fault (core dumped)

[West, Nathan]

On Wed, Feb 5, 2014 at 8:36 AM, raf raf <address@hidden> wrote:
> Hello All,
>
> I have a Segmentation fault (core dumped), when i run  digital_bert_rx.py
> and digital_bert_tx.py.
>
> ./digital_bert_rx.py -f 2460M --rx-gain=30 --args="addr=192.168.10.2"
>
> ./digital_bert_tx.py -f 2460M --tx-gain=30 --args="addr=192.168.10.3"
> --amplitude=0.2
>
> When I run for a sevral times digital_bert_tx.py with diffirent values of
> amplitude this error apear, like in this capture.
>
> Freq. Offset: -124987 Hz  Timing Offset:  1493639.0 ppm  Estimated SNR:  nan
> dB  BER: 0.166678
> Freq. Offset: -124938 Hz  Timing Offset:  1492926.4 ppm  Estimated SNR:  nan
> dB  BER: 0.16616
> Freq. Offset: -124758 Hz  Timing Offset:  1489323.6 ppm  Estimated SNR:  nan
> dB  BER: 0.165962
> Freq. Offset: -125000 Hz  Timing Offset:  1496782.8 ppm  Estimated SNR: -8.7
> dB  BER: 0.166483
> Freq. Offset: -124862 Hz  Timing Offset:  1481416.7 ppm  Estimated SNR:  nan
> dB  BER: 0.166141
> Segmentation fault (core dumped)
>
>
> I tried to debug the error and I found that the error was comming from a
> gnuradio kernel. The segmentation error is from this file :
> volk_32fc_32f_dot_prod_32fc.h
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7f6cdaffd700 (LWP 5423)]
> 0x00007f6cf51d2e87 in volk_32fc_32f_dot_prod_32fc_a_sse () from
> /usr/local/lib/libvolk.so.0.0.0
>
>
> Can you help me please.
>

Hi Raf,

Can you provide more details? How did you install GNU Radio and what
hardware are you running on? When you start the application you should
see a message along the lines of "Using VOLK machine: xxxx". What are
the xxxx's?

Nathan