[op25-dev] *** glibc error ***

Matt D md123 at nycap.rr.com
Thu Aug 8 01:45:41 UTC 2013


hey,
i made some code to show information from the data units; some in the
c++ (ldu1.h, ldu1.cc, etc) and some in the python (traffic panel).  now
when i leave it running for a somewhat extending period of time op25
dies with what i think is some sort of memory error:

*** glibc detected *** /usr/bin/python: free(): invalid pointer:
0xb7698434 ***
======= Backtrace: =========
/lib/i386-linux-gnu/libc.so.6(+0x75ee2)[0xb7567ee2]
/usr/lib/i386-linux-gnu/libstdc++.so.6(_ZdlPv+0x1f)[0xb696eadf]
/usr/lib/i386-linux-gnu/libstdc++.so.6(_ZNSs4_Rep10_M_destroyERKSaIcE+0x1b)[0xb69d67bb]
/usr/local/lib/python2.7/dist-packages/gnuradio/_op25.so(_ZN19snapshot_du_handler6handleEN5boost10shared_ptrI9data_unitEE+0x236)[0xb2ce6de6]
/usr/local/lib/python2.7/dist-packages/gnuradio/_op25.so(_ZN17data_unit_handler6handleEN5boost10shared_ptrI9data_unitEE+0x54)[0xb2ce5c74]
/usr/local/lib/python2.7/dist-packages/gnuradio/_op25.so(_ZN16voice_du_handler6handleEN5boost10shared_ptrI9data_unitEE+0x66)[0xb2ce8116]
/usr/local/lib/python2.7/dist-packages/gnuradio/_op25.so(_ZN15op25_decoder_bf14receive_symbolEh+0x18c)[0xb2cffbec]
/usr/local/lib/python2.7/dist-packages/gnuradio/_op25.so(_ZN15op25_decoder_bf12general_workEiRSt6vectorIiSaIiEERS0_IPKvSaIS5_EERS0_IPvSaIS9_EE+0x4b)[0xb2cffddb]
/usr/local/lib/libgnuradio-core-3.6.3.1.so.0.0.0(_ZN17gr_block_executor17run_one_iterationEv+0xa09)[0xb6aa5529]
/usr/local/lib/libgnuradio-core-3.6.3.1.so.0.0.0(_ZN18gr_tpb_thread_bodyC1EN5boost10shared_ptrI8gr_blockEEi+0x4b1)[0xb6ac7aa1]
/usr/local/lib/libgnuradio-core-3.6.3.1.so.0.0.0(+0xb335b)[0xb6ac235b]
/usr/local/lib/libgruel-3.6.3.1.so.0.0.0(+0x32e46)[0xb6c6ae46]
/usr/lib/libboost_thread.so.1.49.0(+0xb96c)[0xb68f096c]
/lib/i386-linux-gnu/libpthread.so.0(+0x6d4c)[0xb76c5d4c]
/lib/i386-linux-gnu/libc.so.6(clone+0x5e)[0xb75e0dde]
======= Memory map: ========

i omitted the huge memory map.  i have no idea what to do with this sort
of back trace.  any guidance will be much appreciated.

Cheers,
Matt

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