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Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx
From: |
Andy Walls |
Subject: |
Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx |
Date: |
Wed, 07 Dec 2016 12:25:13 -0500 |
On Wed, 2016-12-07 at 12:10 -0500, Andy Walls wrote:
> > From GDB I can see
> >
> >
> > d_filtnum = 0
> > count = -67108696
> > d_out_idx = 0
> >
>
> This is a garbage-in, garbage-out problem I've seen exactly before with
> other blocks and the PFB clock sync block.
>
> 1. Check to make sure that your filter taps don't trace out a function
> that has discontinuities or flat spots (i.e. a square pulse), and the
> PFB clock sync algorithms can't handle that.
typo: ... *as* the PFB clock sync algorithms can't handle that.
> 2. Add a tag_debug block before the PFB clock_sync and look for time_est
> tags with values outside the range [0.0, 1.0).
>
> -Andy
- Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx, (continued)
- Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx, devin kelly, 2016/12/06
- Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx, West, Nathan, 2016/12/06
- Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx, devin kelly, 2016/12/06
- Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx, devin kelly, 2016/12/06
- Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx, West, Nathan, 2016/12/06
- Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx, Marcus Müller, 2016/12/06
- Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx, devin kelly, 2016/12/07
- Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx, West, Nathan, 2016/12/07
- Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx, West, Nathan, 2016/12/07
Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx, Andy Walls, 2016/12/07
- Re: [Discuss-gnuradio] Segfault with volk_32fc_32f_dot_prod_32fc_a_avx,
Andy Walls <=