pdb crashes python24 2.4.4 on Leopard

[snb@…]

I've installed python 2.4.4 form the python24 port on Mac OS X 10.5.1. Any time I try to set a break point with pdb (import pdb; pdb.set_trace()), python crashes. Here's the stack trace and other info provided by Apple's Problem Reporter:

Process: Python [44155] Path: /opt/local/Library/Frameworks/Python.framework/Versions/2.4/Resources/Python.app/Contents/MacOS/Python Identifier: Python Version: ??? (???) Code Type: X86 (Native) Parent Process: zsh [43755]

Date/Time: 2007-11-29 21:23:01.680 +0100 OS Version: Mac OS X 10.5.1 (9B18) Report Version: 6

Exception Type: EXC_BAD_ACCESS (SIGBUS) Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000000 Crashed Thread: 0

Thread 0 Crashed: 0 readline.so 0x000bbaa3 call_readline + 691 1 org.python.python 0x0016c9ae PyOS_Readline + 254 2 org.python.python 0x0016df70 tok_nextc + 64 3 org.python.python 0x0016e7a5 PyTokenizer_Get + 101 4 org.python.python 0x00169512 parsetok + 210 5 org.python.python 0x00213992 PyRun_InteractiveOneFlags + 290 6 org.python.python 0x00213bb3 PyRun_InteractiveLoopFlags + 99 7 org.python.python 0x00214a69 PyRun_AnyFileExFlags + 185 8 org.python.python 0x0021ea8a Py_Main + 3130 9 org.python.python 0x000018dc 0x1000 + 2268 10 org.python.python 0x00001809 0x1000 + 2057

Thread 0 crashed with X86 Thread State (32-bit):

eax: 0x00000000 ebx: 0x000bb7fb ecx: 0xbfffec08 edx: 0x0030a150 edi: 0x0030a540 esi: 0x0030dbd0 ebp: 0xbfffed18 esp: 0xbfffec30

ss: 0x0000001f efl: 0x00010246 eip: 0x000bbaa3 cs: 0x00000017 ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037

cr2: 0x00000000

Binary Images:

0x1000 - 0x1ff3 +org.python.python 2.4a0 (2.4alpha1) <ad47314152cced91a4b5528d272bb3d7> /opt/local/Library/Frameworks/Python.framework/Versions/2.4/Resources/Python.app/Contents/MacOS/Python

0x48000 - 0x49ff5 +cStringIO.so ??? (???) <7a4a9662231d20a51b97fbbf8aae330b> /opt/local/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/lib-dynload/cStringIO.so 0xba000 - 0xbbff5 +readline.so ??? (???) <a7fdeac194c2a7e7534af98f8df41bca> /opt/local/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/lib-dynload/readline.so 0xc1000 - 0xc3ff5 +strop.so ??? (???) <696ecb2c0d81db6ad89a58ea38af77fa> /opt/local/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/lib-dynload/strop.so 0xc9000 - 0xccff5 +itertools.so ??? (???) <ec1b0bb0973f3f773bc3ee204573610b> /opt/local/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/lib-dynload/itertools.so

0x167000 - 0x247fe7 +org.python.python 2.4a0 (2.2) <601c3f58b086c5f16527f2bc71d14077> /opt/local/Library/Frameworks/Python.framework/Versions/2.4/Python 0x2ce000 - 0x2e4fea libedit.2.dylib ??? (???) <be5a6f391887bb96bdeeafd443cf19fb> /usr/lib/libedit.2.dylib

0x8fe00000 - 0x8fe2d883 dyld 95.3 (???) <81592e798780564b5d46b988f7ee1a6a> /usr/lib/dyld 0x91027000 - 0x91084ffb libstdc++.6.dylib ??? (???) <04b812dcec670daa8b7d2852ab14be60> /usr/lib/libstdc++.6.dylib 0x95931000 - 0x95932fef libmathCommon.A.dylib ??? (???) /usr/lib/system/libmathCommon.A.dylib 0x95933000 - 0x95a8dfe3 libSystem.B.dylib ??? (???) <8ecc83dc0399be3946f7a46e88cf4bbb> /usr/lib/libSystem.B.dylib 0x95bdf000 - 0x95c0eff7 libncurses.5.4.dylib ??? (???) <3b2ac2ca8190942b6b81d2a7012ea859> /usr/lib/libncurses.5.4.dylib 0x95f4d000 - 0x95f54fe9 libgcc_s.1.dylib ??? (???) <f53c808e87d1184c0f9df63aef53ce0b> /usr/lib/libgcc_s.1.dylib 0xffff0000 - 0xffff1780 libSystem.B.dylib ??? (???) /usr/lib/libSystem.B.dylib