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Re: [Discuss-gnuradio] Core Dump with Simple_ra and an upgraded Ubuntu s


From: Marcus D. Leech
Subject: Re: [Discuss-gnuradio] Core Dump with Simple_ra and an upgraded Ubuntu system from 14.04 to 16.04 LTS today.
Date: Mon, 17 Jul 2017 09:43:27 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0

On 07/17/2017 03:41 AM, John Shields wrote:
On 17/07/17 05:53, Marcus D. Leech wrote:
On 07/17/2017 12:47 AM, John Shields wrote:

                Even after I re-installed pyephem (for python 2) the issue continues i.e. logger_tp undefined and malloc error. GRC is sane in that I can instantiate a USRP source and display it's FFT.


                Since the logger issue is a new one (which is to say that my Sunday build did not have the issue) - could I have gotten an inconsistent code set from the system? I would hope not but cannot fathom what changed to give the logger issue? As for the malloc, I presume that somewhere in the universe someone used the Ubuntu upgrade from 14.04 LTS to 16.04 LTS and could still run GNURadio/simple_ra?


If you cd into your simple_ra directory and do:

git log

What is the first git hash that shows up?




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Hi Marcus,

                It shows: commit e113d01251c90a9b93a228c2dd7cb8a609c6bb8e


                I decided that perhaps I should get and install the latest gr-ra_block and simple_ra (as of 20 minutes ago). I could pre-install the gr-ra_blocks fine but when I tried a make on the latest simple_ra I got :


address@hidden:~$ git clone https://github.com/patchvonbraun/simple_ra
Cloning into 'simple_ra'...
remote: Counting objects: 37, done.
remote: Total 37 (delta 0), reused 0 (delta 0), pack-reused 37
Unpacking objects: 100% (37/37), done.
Checking connectivity... done.
address@hidden:~$ cd simple_ra
address@hidden:~/simple_ra$ make
Using .:/usr/local/lib/python2.7/dist-packages:/home/john/simple_ra/trunk:/home/john/bin for compile...
grcc -d . simple_ra_receiver.grc
linux; GNU C++ version 5.4.0 20160609; Boost_105800; UHD_003.010.001.001-79-g7ac01c7f

Unhandled exception in thread started by <bound method Thread.__bootstrap of <Thread(Thread-1, stopped daemon 140677736593152)>>git describe --abbrev=8 --dirty --always --tags >tmprev.tmp
sed -e s/@@REV@@/`cat tmprev.tmp`/ <simple_ra_receiver.py >tmprec.py
cp tmprec.py simple_ra_receiver.py
rm -f tmprev.tmp tmprec.py
address@hidden:~/simple_ra$

and the first commit in that directory is: commit 75051fdbb02aedf730905b74d9ef78ba49db56e6


          Kind Regards,


                      John


No idea what's going on there.   I just did this myself on my system, and it worked just fine.



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