Re: [gentoo-science] [sage-on-gentoo] Sage-4.5.3 segmentation fault

Hello!

On Wed, 27 Oct 2010 10:07:25 +0200
Christopher Schwan <cschwan@××××××××××××××××××.de> wrote:
>
> If you do not find anything, please try the following:
>
>     USE=debug emerge -1 sage-baselayout
>
> Also, make sure that the GNU Debugger is installed (emerge gdb). You may now
> start Sage with
>
>    sage -gdb
>
> which spawns Sage in a gdb session. Sage will crash just as before, but you
> may retrieve a backtrace via typing
>
>     bt
>
> That output would be interesting and may directly lead us to the root of the
> problem.
>
  I have re-emerged 
- Cython-0.12.1
- numpy
- scipy
- pexpect
- ipython
- matplotlib
- mpmath
- sympy
- pynac
- networx
-sphinx 
and rebuild sage-clib and sage after that. But it didn't help.

Then I run 'sage -gdb' and here is the output:
########## Output starts ##########
----------------------------------------------------------------------
| Sage Version 4.5.3, Release Date: 2010-09-04                       |
| Type notebook() for the GUI, and license() for information.        |
----------------------------------------------------------------------
/usr/bin/sage-ipython
GNU gdb (Gentoo 7.2 p1) 7.2
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html> This is free software: you are free
to change and redistribute it. There is NO WARRANTY, to the extent
permitted by law.  Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu". For bug reporting
instructions, please see: <http://bugs.gentoo.org/>...
Reading symbols from /usr/bin/python...(no debugging symbols
found)...done. process 21451 is executing new
program: /usr/bin/python2.6 [Thread debugging using libthread_db
enabled] Python 2.6.6 (r266:84292, Oct 23 2010, 17:23:31) 
[GCC 4.4.4] on linux2
Type "help", "copyright", "credits" or "license" for more information.

Program received signal SIGSEGV, Segmentation fault.
0x00007fffe9b7c274 in __cxa_allocate_exception ()
from /usr/lib/gcc/x86_64-pc-linux-gnu/4.4.5/libstdc++.so.6 (gdb) bt
#0  0x00007fffe9b7c274 in __cxa_allocate_exception ()
   from /usr/lib/gcc/x86_64-pc-linux-gnu/4.4.5/libstdc++.so.6
#1  0x00007fffcabb3037 in GiNaC::function::find_function(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int) ()
   from /usr/lib/libpynac-0.2.so.0
#2  0x00007fffca3cdb16 in ?? ()
   from /usr/lib64/python2.6/site-packages/sage/symbolic/function.so
#3  0x00007fffca3cc780 in ?? ()
   from /usr/lib64/python2.6/site-packages/sage/symbolic/function.so
#4  0x00007ffff7ad384c in ?? () from /usr/lib/libpython2.6.so.1.0
#5  0x00007ffff7a85f92 in PyObject_Call () from /usr/lib/libpython2.6.so.1.0
#6  0x00007ffff7b10b42 in PyEval_CallObjectWithKeywords ()
   from /usr/lib/libpython2.6.so.1.0
#7  0x00007ffff7a9d499 in ?? () from /usr/lib/libpython2.6.so.1.0
#8  0x00007ffff7a85f92 in PyObject_Call () from /usr/lib/libpython2.6.so.1.0
#9  0x00007fffca3c327f in ?? ()
   from /usr/lib64/python2.6/site-packages/sage/symbolic/function.so
#10 0x00007ffff7ad384c in ?? () from /usr/lib/libpython2.6.so.1.0
#11 0x00007ffff7a85f92 in PyObject_Call () from /usr/lib/libpython2.6.so.1.0
#12 0x00007ffff7b10b42 in PyEval_CallObjectWithKeywords ()
   from /usr/lib/libpython2.6.so.1.0
#13 0x00007ffff7a9d499 in ?? () from /usr/lib/libpython2.6.so.1.0
#14 0x00007ffff7a85f92 in PyObject_Call () from /usr/lib/libpython2.6.so.1.0
#15 0x00007ffff7b15fb4 in PyEval_EvalFrameEx ()
---Type <return> to continue, or q <return> to quit---q
 from /usr/lib/libpython2.6.so.1.Quit
(gdb) quit
A debugging session is active.

	Inferior 1 [process 21451] will be killed.

Quit anyway? (y or n) y
########### Output ends ###########

----- 
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