On Wed, Mar 14, 2012 at 1:12 PM, Ben Reynwar <[email protected]> wrote: > On Sat, Mar 10, 2012 at 5:38 AM, Tom Rondeau <[email protected]> wrote: >> On Sat, Mar 10, 2012 at 5:20 AM, MOHD RAFIQ <[email protected]> wrote: >>> >>> Hi, >>> pls suggest fix for this, i have attached my cat /proc/cpuinfo . >>> Thanks >> >> >> I already did. To quote: >> >> "Ok, I have a branch 'volk_32bit_fixes' published at: >> git://github.com/trondeau/gnuradio.git >> >> This should fix the fft_filter issue and another issue in one of the volk >> convert functions (that is not used in GNU Radio but was failing anyway). >> >> I'm still seeing the 32fc_x2_dot_product_32fc failure. It looks like this is >> in the SSE_32 proto-kernel. I'm seeing if we can get a quick fix for it. >> This is the same problem Martin was seeing. If we can't get a fix for it, >> I'm going to temporarily disable it until we get it fixed. >> >> Tom" >> >> >> I have been waiting for people with 32-bit machines to try it out and report >> back before merging it. >> >> Tom >> > I also had this segfault issue. With the fixed branch, it appears to > work fine again. Forgot: cpu is Intel(R) Core(TM) i3-2100 CPU @ 3.10GHz > >> >>> >>> ________________________________ >>> 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 >>> >>> >>> >>> >>> >>> >>> _______________________________________________ >>> Discuss-gnuradio mailing list >>> [email protected] >>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> [email protected] >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>
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