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Date: | Sun, 24 Jan 2010 07:42:32 +0000 (GMT) |
From: | Marco Atzeri <marco_atzeri AT yahoo DOT it> |
Subject: | question on gdb |
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Hi, recently, after some change in the source, the octave=20 development branch started to SIGSEV on exit.=20 The strange issue is that this happen only for cygwin and not on the other platforms. I have not yet found a solution, only a possible workaround removing some specific C++ "free" actions, so to fallback to libstdc++ cleaning activity. My question however is about the gdb backtrace, is the=20 "Cannot access memory at address 0x1a" at # 9 normal ? Unfortunately I am not really an expert on gdb: Here the gdb session ---------------------------------------------- octave:1> exit Program received signal SIGSEGV, Segmentation fault. 0x20f414d0 in ?? () (gdb) backtrace #0 0x20f414d0 in ?? () #1 0x6112e117 in __call_exitprocs () from /usr/bin/cygwin1.dll #2 0x6110b6da in exit () from /usr/bin/cygwin1.dll #3 0x61004e5a in cygwin_exit () from /usr/bin/cygwin1.dll #4 0x610b6838 in _sigfe () from /usr/bin/cygwin1.dll #5 0x0022bba8 in ?? () #6 0x6c4e401e in cygstdc++-6!_ZStlsISt11char_traitsIcEERSt13basic_ostreamI= cT_ES5_PKc () from /usr/bin/cygstdc++-6.dll #7 0x6e5c8c65 in _fu4930___ZSt4cerr () at ../../octave_clone/src/toplev.cc= :625 #8 0x6e58fd9c in _fu4441___ZN8file_ops14static_members8instanceE () at ../../octave_clone/src/octave.cc:876 #9 0x00401167 in main (argc=3DCannot access memory at address 0x1a ) at ../../octave_clone/src/main.c:35 (gdb) ------------------------------------------- Thanks Marco -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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