#15359: Segmentation fault when accessing documentation.
------------------------+-----------------------------
Reporter: fschulze | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-5.13
Component: c_lib | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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With 5.13.beta2 I get the following
{{{
sage: QuadraticField(-5)
Number Field in a with defining polynomial x^2 + 5
sage: QuadraticField?
------------------------------------------------------------------------
/home/schulze/sage-5.13.beta2/local/lib/libcsage.so(print_backtrace+0x31)[0x7f0a1f8615f5]
/home/schulze/sage-5.13.beta2/local/lib/libcsage.so(sigdie+0x1e)[0x7f0a1f86176c]
/home/schulze/sage-5.13.beta2/local/lib/libcsage.so(sage_signal_handler+0x1c0)[0x7f0a1f860f56]
/lib64/libpthread.so.0[0x359c40f500]
/home/schulze/sage-5.13.beta2/local/lib/libtinfo.so.5(_nc_init_acs+0x59)[0x7f0a1bc77519]
/lib64/libncursesw.so.5(_nc_setupscreen+0x581)[0x359e017c71]
/lib64/libncursesw.so.5(newterm+0xc9)[0x359e014949]
/lib64/libncursesw.so.5(initscr+0x59)[0x359e011129]
/home/schulze/sage-5.13.beta2/local/lib/python2.7/lib-
dynload/_curses.so(+0x98e6)[0x7f0a1bea38e6]
/home/schulze/sage-5.13.beta2/local/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x5719)[0x7f0a27eef3f9]
/home/schulze/sage-5.13.beta2/local/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0x637e)[0x7f0a27ef005e]
------------------------------------------------------------------------
Attaching gdb to process id 9632.
GNU gdb (GDB) Red Hat Enterprise Linux (7.2-60.el6)
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-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
(gdb) Hangup detected on fd 0
error detected on stdin
Your system GDB is an old version that does not work with pipes
Install the gdb spkg (sage -f gdb) for enhanced tracebacks.
------------------------------------------------------------------------
Unhandled SIGSEGV: A segmentation fault occurred in Sage.
This probably occurred because a *compiled* component of Sage has a bug
in it and is not properly wrapped with sig_on(), sig_off().
Sage will now terminate.
------------------------------------------------------------------------
}}}
Using ? on other objects has the same effect.
--
Ticket URL: <http://trac.sagemath.org/ticket/15359>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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