[Quantlib-dev] 答复: segmentation fault in boost ?

[Cheng L. <scr...@gm...>]

Hi peter,

Me too.

If I compiled your adjoint branch with -O3 and then compiled your ad example
with -O3 -std=c++11, the error raised up...(the same segmentation fault)

However if I compiled ad example with only -std=c++11, then no error occurs.

I don't know why...

Regards,
Cheng

-----邮件原件-----
发件人: Peter Caspers [mailto:pca...@gm...] 
发送时间: 2015年2月11日 3:58
收件人: QuantLib Mailing Lists
主题: [Quantlib-dev] segmentation fault in boost ?

Hi,

when compiling QL without -std=c++11, then an application (e.g. one of the
examples) _with_ -std=c++11, I get the following weird error even before the
first instruction in main was executed

==19902== Memcheck, a memory error detector ==19902== Copyright (C)
2002-2013, and GNU GPL'd, by Julian Seward et al.
==19902== Using Valgrind-3.11.0.SVN and LibVEX; rerun with -h for copyright
info ==19902== Command: ./adjoint ==19902== ==19902== ==19902== Process
terminating with default action of signal 11 (SIGSEGV) ==19902==  Bad
permissions for mapped region at address 0x4DC608
==19902==    at 0x540F054: long double
boost::math::lanczos::lanczos17m64::lanczos_sum<long double>(long double
const&) (in
/home/peter/quantlib/QuantLib/ql/.libs/libQuantLib.so.0.0.0)
==19902==    by 0x540F121:
boost::math::lanczos::lanczos_initializer<boost::math::lanczos::lanczos17m64
,
long double>::init::init() (lanczos.hpp:49)
==19902==    by 0x5257E26: __static_initialization_and_destruction_0
(lanczos.hpp:64)
==19902==    by 0x5257E26: _GLOBAL__sub_I_gaussianlhplossmodel.cpp
(gaussianlhplossmodel.cpp:202)
==19902==    by 0x400F855: call_init.part.0 (dl-init.c:84)
==19902==    by 0x400F90F: call_init (dl-init.c:55)
==19902==    by 0x400F90F: _dl_init (dl-init.c:133)
==19902==    by 0x4001669: ??? (in /lib/x86_64-linux-gnu/ld-2.17.so)
==19902==
==19902== HEAP SUMMARY:
==19902==     in use at exit: 4,316 bytes in 7 blocks
==19902==   total heap usage: 8 allocs, 1 frees, 37,132 bytes allocated
==19902==
==19902== LEAK SUMMARY:
==19902==    definitely lost: 0 bytes in 0 blocks
==19902==    indirectly lost: 0 bytes in 0 blocks
==19902==      possibly lost: 148 bytes in 2 blocks
==19902==    still reachable: 4,168 bytes in 5 blocks
==19902==         suppressed: 0 bytes in 0 blocks
==19902== Rerun with --leak-check=full to see details of leaked memory
==19902== ==19902== For counts of detected and suppressed errors, rerun
with: -v ==19902== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0
from 0)

Anyone observed this too ? Drove me crazy until I realized the pattern. What
is behind ? The other way around (QL with c++11, example
without) works fine. Produced with gcc 4.9.1, boost 1.57.0 under Ubuntu.

Thanks
Peter

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