[Ipython-tickets] [IPython] #143: Segmentation fault in iteritems() loop

[IPython]

#143: Segmentation fault in iteritems() loop
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 Reporter:  nf       |        Owner:  fperez
     Type:  defect   |       Status:  new   
 Priority:  normal   |    Milestone:        
Component:  ipython  |      Version:        
 Severity:  normal   |   Resolution:        
 Keywords:           |  
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Comment (by nf):

 Yeah, it looks like it is a python or readline bug:

 {{{
 [nf 0 /tmp] $ gdb /usr/bin/python
 GNU gdb 6.5
 Copyright (C) 2006 Free Software Foundation, Inc.
 GDB is free software, covered by the GNU General Public License, and you
 are
 welcome to change it and/or distribute copies of it under certain
 conditions.
 Type "show copying" to see the conditions.
 There is absolutely no warranty for GDB.  Type "show warranty" for
 details.
 This GDB was configured as "i686-pc-linux-gnu"...Using host libthread_db
 library "/lib/libthread_db.so.1".

 (gdb) run /usr/bin/ipython
 Starting program: /usr/bin/python /usr/bin/ipython
 [Thread debugging using libthread_db enabled]
 [New Thread -1212139856 (LWP 10827)]
 Python 2.5.1 (r251:54863, Apr 24 2007, 14:01:16)
 Type "copyright", "credits" or "license" for more information.

 IPython 0.8.0 -- An enhanced Interactive Python.
 ?       -> Introduction to IPython's features.
 %magic  -> Information about IPython's 'magic' % functions.
 help    -> Python's own help system.
 object? -> Details about 'object'. ?object also works, ?? prints more.

 In [1]: def x():
    ...:     pass

 Program received signal SIGSEGV, Segmentation fault.
 [Switching to Thread -1212139856 (LWP 10827)]
 0xb7c721b7 in free () from /lib/libc.so.6
 (gdb) bt
 #0  0xb7c721b7 in free () from /lib/libc.so.6
 #1  0xb7d40140 in __after_morecore_hook () from /lib/libc.so.6
 #2  0x081a53f0 in ?? ()
 #3  0xb78a3f98 in ?? () from /usr/lib/python2.5/lib-dynload/readline.so
 #4  0xbfbf9790 in ?? ()
 #5  0x00000000 in ?? ()
 (gdb)
 }}}

-- 
Ticket URL: <http://projects.scipy.org/ipython/ipython/ticket/143#comment:4>
IPython <http://ipython.scipy.org>
The IPython interactive Python system