I was able to find a case which crashed but doesn't have to crash
Sage. Doesn't tell us much new, but here it is anyway:
sage: 12345678912345678912345678912345678901234567890.
---------------------------------------------------------------------------
RuntimeError Traceback (most recent call last)
/Users/mcneil/Desktop/<ipython console> in <module>()
/Applications/Sage-5.0-OSX-64bit-10.6.app/Contents/Resources/sage/local/lib/python2.7/site-packages/IPython/Prompts.pyc
in __call__(self, arg)
550
551 # and now call a possibly user-defined print mechanism
--> 552 manipulated_val = self.display(arg)
553
554 # user display hooks can change the variable to be stored in
/Applications/Sage-5.0-OSX-64bit-10.6.app/Contents/Resources/sage/local/lib/python2.7/site-packages/IPython/Prompts.pyc
in _display(self, arg)
576 return IPython.generics.result_display(arg)
577 except TryNext:
--> 578 return self.shell.hooks.result_display(arg)
579
580 # Assign the default display method:
/Applications/Sage-5.0-OSX-64bit-10.6.app/Contents/Resources/sage/local/lib/python2.7/site-packages/IPython/hooks.pyc
in __call__(self, *args, **kw)
139 #print "prio",prio,"cmd",cmd #dbg
140 try:
--> 141 ret = cmd(*args, **kw)
142 return ret
143 except ipapi.TryNext, exc:
/Applications/Sage-5.0-OSX-64bit-10.6.app/Contents/Resources/sage/local/lib/python2.7/site-packages/sage/misc/displayhook.pyc
in result_display(ip_self, obj)
150 # IPython's default result_display() uses the
IPython.genutils.Term.cout stream.
151 # See also local/lib/python2.6/site-packages/IPython/hooks.py.
--> 152 print_obj(IPython.genutils.Term.cout, obj)
153
154 def displayhook(obj):
/Applications/Sage-5.0-OSX-64bit-10.6.app/Contents/Resources/sage/local/lib/python2.7/site-packages/sage/misc/displayhook.pyc
in print_obj(out_stream, obj)
142 if _check_tall_list_and_print(out_stream, obj):
143 return
--> 144 print >>out_stream, `obj`
145
146 def result_display(ip_self, obj):
/Applications/Sage-5.0-OSX-64bit-10.6.app/Contents/Resources/sage/local/lib/python2.7/site-packages/sage/rings/real_mpfr.so
in sage.rings.real_mpfr.RealNumber.__repr__
(sage/rings/real_mpfr.c:9440)()
/Applications/Sage-5.0-OSX-64bit-10.6.app/Contents/Resources/sage/local/lib/python2.7/site-packages/sage/rings/real_mpfr.so
in sage.rings.real_mpfr.RealNumber.str
(sage/rings/real_mpfr.c:11259)()
RuntimeError: Illegal instruction
or under gdb:
sage: 12345678912345678912345678912345678901234567890.
Program received signal EXC_BAD_INSTRUCTION, Illegal instruction/operand.
0x0000000101723ec7 in case3 ()
(gdb) bt
#0 0x0000000101723ec7 in case3 ()
#1 0x0000000103e6554f in mpfr_get_str ()
#2 0x0000000103dfac65 in __pyx_pf_4sage_5rings_9real_mpfr_10RealNumber_13str ()
Doug
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