Also, if you want to go deeper into debugging this, try the following (assuming you have a modern shell of some kind)
export MALLOC_CHECK_=2 python application.py This should make free "abort" at the point it prints out that warning. you should then be able to gdb --args python application.py run <wait for things to go down> bt to get a backtrace. For a bit more of background [1]. Greetings, Marcus [1] http://gnuradio.org/redmine/projects/gnuradio/wiki/TutorialsGDB On 04/10/2015 03:16 PM, Tom Rondeau wrote: > On Fri, Apr 10, 2015 at 2:49 AM, Andreas Ladanyi > <andreas.lada...@gmx.net <mailto:andreas.lada...@gmx.net>> wrote: > > Hi, > > when running a gnuradio application.py from the cmd line after > some seconds the application crashs and i get the message: > > *** Error in `python': double free or corruption (fasttop): > 0xaf9031c0 *** > > Iam using python 2.7. > > Any ideas ? > > cheers, > Andy > > > It might be useful to know what your flowgraph looks like since this > might be the result of a particular block. We've also seen issues of > this when closing GRC, but that seems to be specific to a version of > glibc. > > What OS are you running? What version of glibc? Anything but canonical > blocks in the flowgraph? > > Tom > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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