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Re: [Discuss-gnuradio] crashes, memory errors and valgrind
From: |
Patrick Strasser |
Subject: |
Re: [Discuss-gnuradio] crashes, memory errors and valgrind |
Date: |
Sun, 03 Jun 2012 20:22:41 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.6) Gecko/20050602 Thunderbird/1.0.2 Mnenhy/0.7.2.0 |
Hi Tom,
Tom Rondeau wrote on 2012-06-03 17:12:
> On Sat, Jun 2, 2012 at 5:50 AM, Patrick Strasser
> Patrick,
>
> It looks like you're problem is in the rational_resampler code. I
> wonder if there's something about the resampling rate being used
> that's causing something to go out of bounds here. Can you dig into
> the code and figure out what interpolation and decimation rates are
> being used?
Interpolation is 1, decimation is 2.
I compiled GNU Radio branch v3.6.0 with
$ cmake -DCMAKE_BUILD_TYPE=Debug ..
which resulted in a compile with flags -g -O2 .
I tried to track what's happening in gdb, in gr_fir_fff_simd::set_taps,
but -O2 was not helping, a lot optimized out, loops unrolled.
Full valgrind log in
http://pastebin.com/7GCs3bWy
regards
Patrick
--
Engineers motto: cheap, good, fast: choose any two
Patrick Strasser <patrick dot strasser at tugraz dot at>
Student of Telematics, Graz Univ. of Technology, Austria
- [Discuss-gnuradio] crashes, memory errors and valgrind, Patrick Strasser, 2012/06/02
- Re: [Discuss-gnuradio] crashes, memory errors and valgrind, Tom Rondeau, 2012/06/03
- Re: [Discuss-gnuradio] crashes, memory errors and valgrind,
Patrick Strasser <=
- Re: [Discuss-gnuradio] crashes, memory errors and valgrind, Patrick Strasser, 2012/06/04
- Re: [Discuss-gnuradio] crashes, memory errors and valgrind, Tom Rondeau, 2012/06/04
- Re: [Discuss-gnuradio] crashes, memory errors and valgrind, Alexandru Csete, 2012/06/05
- Message not available
- Re: [Discuss-gnuradio] gqrx branch osmosdr, Alexandru Csete, 2012/06/05
- Re: [Discuss-gnuradio] gqrx branch osmosdr, Patrick Strasser, 2012/06/05
- Re: [Discuss-gnuradio] gqrx branch osmosdr, Alexandru Csete, 2012/06/05
- Re: [Discuss-gnuradio] gqrx branch osmosdr, Patrick Strasser, 2012/06/05
- Re: [Discuss-gnuradio] gqrx branch osmosdr, Alexandru Csete, 2012/06/06
- Re: [Discuss-gnuradio] gqrx branch osmosdr, Patrick Strasser, 2012/06/06
- Re: [Discuss-gnuradio] crashes, memory errors and valgrind, Patrick Strasser, 2012/06/05