Hi, pls suggest fix for this, i have attached my cat /proc/cpuinfo . Thanks
________________________________ From: MOHD RAFIQ <[email protected]> To: "[email protected]" <[email protected]> Sent: Thursday, 8 March 2012 9:45 PM Subject: Re: [Discuss-gnuradio] Unhandled exception after upgrading gnuradio- backtrace included I apologise for not being clear, here is the backtrace [New Thread 0xb21feb70 (LWP 16921)] [Thread 0xb19fdb70 (LWP 16920) exited] [New Thread 0xb19fdb70 (LWP 16922)] [New Thread 0xb29ffb70 (LWP 16923)] [New Thread 0xb33ffb70 (LWP 16924)] [New Thread 0xb3dffb70 (LWP 16925)] [New Thread 0xb51ffb70 (LWP 16926)] [New Thread 0xb47ffb70 (LWP 16927)] [New Thread 0xb11fcb70 (LWP 16928)] [New Thread 0xb09fbb70 (LWP 16929)] [New Thread 0xb01fab70 (LWP 16930)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xb29ffb70 (LWP 16923)] 0x002fc4a0 in volk_32fc_x2_multiply_32fc_a_sse3 () from /usr/local/lib/libvolk.so.0.0.0 (gdb) bt #0 0x002fc4a0 in volk_32fc_x2_multiply_32fc_a_sse3 () from /usr/local/lib/libvolk.so.0.0.0 #1 0x002c25d2 in get_volk_32fc_x2_multiply_32fc_a () from /usr/local/lib/libvolk.so.0.0.0 #2 0x005125bf in gri_fft_filter_ccc_generic::filter(int, std::complex<float> const*, std::complex<float>*) () from /usr/local/lib/libgnuradio-core-3.5.3git.so.0.0.0 #3 0x005196ff in gr_fft_filter_ccc::work(int, std::vector<void const*, std::allocator<void const*> >&, std::vector<void*, std::allocator<void*> >&) () from /usr/local/lib/libgnuradio-core-3.5.3git.so.0.0.0 #4 0x004e537a in gr_sync_decimator::general_work(int, std::vector<int, std::allocator<int> >&, std::vector<void const*, std::allocator<void const*> >&, std::vector<void*, std::allocator<void*> >&) () from /usr/local/lib/libgnuradio-core-3.5.3git.so.0.0.0 #5 0x004c983c in gr_block_executor::run_one_iteration() () from /usr/local/lib/libgnuradio-core-3.5.3git.so.0.0.0 #6 0x004e7a7f in gr_tpb_thread_body::gr_tpb_thread_body(boost::shared_ptr<gr_block>, int) () from /usr/local/lib/libgnuradio-core-3.5.3git.so.0.0.0 #7 0x004e2374 in boost::detail::function::void_function_obj_invoker0<gruel::thread_body_wrapper<tpb_container>, void>::invoke(boost::detail::function::function_buffer&) () from /usr/local/lib/libgnuradio-core-3.5.3git.so.0.0.0 #8 0x006c8156 in boost::detail::thread_data<boost::function0<void> >::run() () from /usr/local/lib/libgruel-3.5.3git.so.0.0.0 #9 0x0017444d in thread_proxy () from /usr/lib/libboost_thread-mt.so.1.46.0 #10 0x4f94ca2e in start_thread () from /lib/libpthread.so.0 #11 0x4f86689e in clone () from /lib/libc.so.6 Thanks, rafiq ________________________________ From: Tom Rondeau <[email protected]> To: MOHD RAFIQ <[email protected]> Cc: "[email protected]" <[email protected]> Sent: Thursday, 8 March 2012 8:51 PM Subject: Re: [Discuss-gnuradio] Unhandled exception after upgrading gnuradio On Thu, Mar 8, 2012 at 5:40 AM, MOHD RAFIQ <[email protected]> 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
cpuinfo
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