On Mon, Apr 18, 2016 at 3:27 AM, Douglas Geiger < doug.gei...@bioradiation.net> wrote:
> I know I'm a little late to this party, but I thought I'd point this out: > the output "VOLK: Error allocating memory (posix_memalign: 22)" suggests > you are running into this known issue: > http://gnuradio.org/redmine/issues/692 > > If this is indeed a rPi Rev B, then this is the known/old issue of > volk_get_alignment() returning a value on 1 on that arch, which then breaks > posix_memalign. I believe this has been fixed in more recent releases, so > perhaps jessie-backports can help you there? > Indeed. https://github.com/gnuradio/volk/commit/cc1abd2ea27c7f303efaa6466e979700000915ed has been in VOLK since before v1.0 > > Good luck, > Doug > > On Wed, Apr 13, 2016 at 4:45 AM, Rob Roschewsk <pabut...@gmail.com> wrote: > >> Marcus, >> >> Thanks for responding. >> >> I'm looking to build a headless FM receiver to record and stream public >> service communication (fire, police, etc.). We will stream as many channels >> as possible that fall into a given passband. >> >> I already have a system running on a PC and now would like to port it to >> the PI. >> >> I understand it maybe an "up hill" path, but the thought is to deploy >> multiple inexpensive units around a geographic area all feeding a central >> streaming server. >> >> The Pi is running Raspian Jesse .... I started with the distribution >> packages but ran into problems right out of the blocks and thought it would >> be best to use the latest code before asking questions :) >> >> I understand cross compiling is the way to go. >> >> Since I brought it up, here was the error I saw when I tried to run the >> script that runs on the PC but fails spectacularly on the raspberry pi with >> the precompiled packages .... >> >> roschews@raspberrypi:~/sdr/multirx $ ./multirx_nogui.py -s 49 noaa.xml >> linux; GNU C++ version 4.9.1; Boost_105500; UHD_003.007.003-0 >> <0030070030>-unknown >> >> high=162500000 low=162400000 span=100000 >> center=162450000 >> gr-osmosdr 0.1.3 (0.1.3) gnuradio 3.7.5 >> built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf >> bladerf rfspace airspy >> Using device #0 Realtek RTL2838UHIDIR SN: 00000108 >> Found Elonics E4000 tuner >> Exact sample rate is: 1000000.026491 Hz >> Using Volk machine: generic_orc >> VOLK: Error allocating memory (posix_memalign: 22) >> VOLK: Error allocating memory (posix_memalign: 22) >> VOLK: Error allocating memory (posix_memalign: 22) >> Segmentation fault >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > > > -- > Doug Geiger > doug.gei...@bioradiation.net > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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