[aspect-devel] Aspect hangs after several time steps

[Lev Karatun]

Hi Wolfgang,

I've tried this, the last stack frame is:

> #13 0x00000000012e50d5 in main (argc=2, argv=0x7fffffffe128) at
> /home/lev/aspect/aspect_debug_new/source/main.cc:513


The 513 line in main.cc is:

> aspect::Simulator<3>::declare_parameters(prm);


Looks like it stops at the attempt of reading the Start time line:

> #10 0x00007ffff537a569 in dealii::ParameterHandler::declare_entry
> (this=0x7fffffffdc90, entry="Start time", default_value="0", pattern=...,
> documentation=
>     "The start time of the simulation. Units: Years if the 'Use years in
> output instead of seconds' parameter is set; seconds otherwise.")
>     at
> /home/lev/distrib/dealii_debug_new/source/base/parameter_handler.cc:1628


but it's just "set Start time = 0", I never changed it.

Full backtrace:

> Program received signal SIGFPE, Arithmetic exception.
> __mpn_lshift () at ../sysdeps/x86_64/lshift.S:26
> 26              movq    -8(%rsi,%rdx,8), %mm7
> (gdb) bt
> #0  __mpn_lshift () at ../sysdeps/x86_64/lshift.S:26
> #1  0x0000003db304a53e in ___printf_fp (fp=0x7fffffff71b0,
> info=0x7fffffff70b0, args=<value optimized out>) at printf_fp.c:483
> #2  0x0000003db30458a0 in _IO_vfprintf_internal (s=<value optimized out>,
> format=<value optimized out>, ap=<value optimized out>) at vfprintf.c:1640
> #3  0x0000003db306f752 in _IO_vsnprintf (string=0x7fffffff7420 "",
> maxlen=<value optimized out>, format=0x7fffffff74f0 "%.*g",
> args=0x7fffffff7310)
>     at vsnprintf.c:120
> #4  0x0000003dbd87eb4f in std::__convert_from_v (__cloc=<value optimized
> out>, __out=0x7fffffff7420 "", __size=45, __fmt=0x7fffffff74f0 "%.*g")
>     at
> /usr/src/debug/gcc-4.4.7-20120601/obj-x86_64-redhat-linux/x86_64-redhat-linux/libstdc++-v3/include/x86_64-redhat-linux/bits/c++locale.h:89
> #5  0x0000003dbd880f23 in std::num_put<char,
> std::ostreambuf_iterator<char, std::char_traits<char> >
> >::_M_insert_float<double> (this=0x3dbdaf22e0, __s=..., __io=
>     ..., __fill=32 ' ', __mod=<value optimized out>,
> __v=-1.7976931348623157e+308)
>     at
> /usr/src/debug/gcc-4.4.7-20120601/obj-x86_64-redhat-linux/x86_64-redhat-linux/libstdc++-v3/include/bits/locale_facets.tcc:980
> #6  0x0000003dbd881249 in std::num_put<char,
> std::ostreambuf_iterator<char, std::char_traits<char> > >::do_put
> (this=<value optimized out>, __s=...,
>     __io=<value optimized out>, __fill=<value optimized out>, __v=<value
> optimized out>)
>     at
> /usr/src/debug/gcc-4.4.7-20120601/obj-x86_64-redhat-linux/x86_64-redhat-linux/libstdc++-v3/include/bits/locale_facets.tcc:1127
> #7  0x0000003dbd89487f in put (this=0x7fffffff7630,
> __v=-1.7976931348623157e+308)
>     at
> /usr/src/debug/gcc-4.4.7-20120601/obj-x86_64-redhat-linux/x86_64-redhat-linux/libstdc++-v3/include/bits/locale_facets.h:2390
> #8  std::basic_ostream<char, std::char_traits<char> >::_M_insert<double>
> (this=0x7fffffff7630, __v=-1.7976931348623157e+308)
>     at
> /usr/src/debug/gcc-4.4.7-20120601/obj-x86_64-redhat-linux/x86_64-redhat-linux/libstdc++-v3/include/bits/ostream.tcc:73
> #9  0x00007ffff5373468 in dealii::Patterns::Double::description
> (this=0x1f92620) at
> /home/lev/distrib/dealii_debug_new/source/base/parameter_handler.cc:290
> #10 0x00007ffff537a569 in dealii::ParameterHandler::declare_entry
> (this=0x7fffffffdc90, entry="Start time", default_value="0", pattern=...,
> documentation=
>     "The start time of the simulation. Units: Years if the 'Use years in
> output instead of seconds' parameter is set; seconds otherwise.")
>     at
> /home/lev/distrib/dealii_debug_new/source/base/parameter_handler.cc:1628
> #11 0x000000000103fef2 in aspect::Parameters<3>::declare_parameters
> (prm=...) at
> /home/lev/aspect/aspect_debug_new/source/simulator/parameters.cc:88
> #12 0x000000000104e2e8 in aspect::Simulator<3>::declare_parameters
> (prm=...) at
> /home/lev/aspect/aspect_debug_new/source/simulator/parameters.cc:1283
> #13 0x00000000012e50d5 in main (argc=2, argv=0x7fffffffe128) at
> /home/lev/aspect/aspect_debug_new/source/main.cc:513



Best regards,
Lev Karatun.

2016-02-01 21:34 GMT-05:00 Wolfgang Bangerth <bangerth at tamu.edu>:

> On 02/01/2016 06:42 PM, Lev Karatun wrote:
>
>>
>> Could you please tell me what I'm doing wrong?..
>> Thanks in advance.
>>
>
> I don't think you *need* any of these packages. You may not get to see the
> exact location where the error happened in BLAS or some other low-level
> library, but ultimately you only want to know the place where you were in
> your own code. In other words, if the debugger stops at the location where
> the error happens, get a backtrace and go to the last stack frame in your
> code. Your task is then to find out what is wrong in that line.
>
> Best
>  W.
>
> --
> ------------------------------------------------------------------------
> Wolfgang Bangerth               email:            bangerth at math.tamu.edu
>                                 www: http://www.math.tamu.edu/~bangerth/
>
> _______________________________________________
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