On Thu, Mar 8, 2012 at 5:40 AM, MOHD RAFIQ <mohd_rafiq...@yahoo.com> wrote:
> Hi, > I am using benchmark_tx.py and benchmark_rx.py in code to make WBX > usrp2 as transceiver, this was running without error until I upgraded my > gnuradio from 3.5.1 to current version > v3.5.2-1-g57ad294b, when I run the same code now it gives a segmenatation > fault(core dump), below are the /var/log/messages when seg. fault occurs > > Mar 8 15:29:10 MRAFIQ-NGN kernel: [75426.998302] python[12650] general > protection ip:b2d4a0 sp:b51fee80 error:0 in libvolk.so.0.0.0[ae2000+be000] > Mar 8 15:29:11 MRAFIQ-NGN abrt[12658]: saved core dump of pid 12635 > (/usr/bin/python) to > /var/spool/abrt/ccpp-2012-03-08-15:29:10-12635.new/coredump > (127561728 bytes) > Mar 8 15:29:11 MRAFIQ-NGN abrtd: Directory 'ccpp-2012-03-08-15:29:10-12635' > creation detected > Mar 8 15:29:11 MRAFIQ-NGN abrtd: Interpreter crashed, but no packaged > script detected: 'python algo-sink.py' > Mar 8 15:29:11 MRAFIQ-NGN abrtd: Corrupted or bad dump > /var/spool/abrt/ccpp-2012-03-08-15:29:10-12635 (res:2), deleting > > In the code this occurs at tb.start() inside benchmark_rx.py > > and it works without an error after a 6-8 trials in a row , > I am not able to figure out where there is exception that is not handled > properly, I appreciate your comments. > > fedora 15, gnuradio v3.5.2-1-g57ad294b, > usrp2, WBX daughter board > Can you follow the instructions here: http://gnuradio.org/redmine/projects/gnuradio/wiki/FAQ#How-do-I-debug-GNU-Radio-in-Python And get us a backtrace (bt in gdb) when the seg fault happens? It'll help us to debug it. Thanks, Tom
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