GNU gdb 6.4.90-debian
Copyright (C) 2006 Free Software Foundation, Inc.
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This GDB was configured as "i486-linux-gnu"...Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".

(gdb) run
Starting program: /usr/bin/python 
[Thread debugging using libthread_db enabled]
[New Thread -1209907536 (LWP 1336)]
Python 2.4.4c1 (#2, Oct 11 2006, 21:51:02) 
[GCC 4.1.2 20060928 (prerelease) (Ubuntu 4.1.1-13ubuntu5)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> >>> 
** (process:1336): WARNING **: g_set_application_name not set.

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1209907536 (LWP 1336)]
0xb7e92c53 in strlen () from /lib/tls/i686/cmov/libc.so.6
(gdb) bt
#0  0xb7e92c53 in strlen () from /lib/tls/i686/cmov/libc.so.6
#1  0x08084a6a in PyString_FromString (str=0x0)
    at ../Objects/stringobject.c:106
#2  0xb7fbe2e5 in initgnomekeyring ()
   from /usr/lib/python2.4/site-packages/gtk-2.0/gnomekeyring.so
#3  0x080b8ab0 in PyEval_EvalFrame (f=0x81557d4) at ../Python/ceval.c:3552
#4  0x080ba4b9 in PyEval_EvalCodeEx (co=0xb7da75a0, globals=0xb7dfd824, 
    locals=0xb7dfd824, args=0x0, argcount=0, kws=0x0, kwcount=0, defs=0x0, 
    defcount=0, closure=0x0) at ../Python/ceval.c:2741
#5  0x080ba527 in PyEval_EvalCode (co=0xb7da75a0, globals=0xb7dfd824, 
    locals=0xb7dfd824) at ../Python/ceval.c:484
#6  0x080dd345 in PyRun_InteractiveOneFlags (fp=0xb7f56420, 
    filename=0x8107d9b "<stdin>", flags=0xbfff2bb4)
    at ../Python/pythonrun.c:1285
#7  0x080dd466 in PyRun_InteractiveLoopFlags (fp=0xb7f56420, 
    filename=0x8107d9b "<stdin>", flags=0xbfff2bb4)
    at ../Python/pythonrun.c:704
#8  0x080ddf72 in PyRun_AnyFileExFlags (fp=0xb7f56420, 
    filename=0x8107d9b "<stdin>", closeit=0, flags=0xbfff2bb4)
    at ../Python/pythonrun.c:667
#9  0x08055cc2 in Py_Main (argc=0, argv=0xbfff2c84) at ../Modules/main.c:493
#10 0x08055132 in main (argc=Cannot access memory at address 0x0
) at ../Modules/python.c:23
(gdb) 
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(gdb) 
(gdb) 
(gdb) import      info registers
eax            0x0	0
ecx            0x0	0
edx            0x0	0
ebx            0xb7fc0488	-1208220536
esp            0xbfff278c	0xbfff278c
ebp            0xbfff27b8	0xbfff27b8
esi            0x0	0
edi            0x0	0
eip            0xb7e92c53	0xb7e92c53 <strlen+51>
eflags         0x210246	[ PF ZF IF RF ID ]
cs             0x73	115
ss             0x7b	123
ds             0x7b	123
es             0x7b	123
fs             0x0	0
gs             0x33	51
(gdb) thread apply all backtrace

Thread 1 (Thread -1209907536 (LWP 1336)):
#0  0xb7e92c53 in strlen () from /lib/tls/i686/cmov/libc.so.6
#1  0x08084a6a in PyString_FromString (str=0x0)
    at ../Objects/stringobject.c:106
#2  0xb7fbe2e5 in initgnomekeyring ()
   from /usr/lib/python2.4/site-packages/gtk-2.0/gnomekeyring.so
#3  0x080b8ab0 in PyEval_EvalFrame (f=0x81557d4) at ../Python/ceval.c:3552
#4  0x080ba4b9 in PyEval_EvalCodeEx (co=0xb7da75a0, globals=0xb7dfd824, 
    locals=0xb7dfd824, args=0x0, argcount=0, kws=0x0, kwcount=0, defs=0x0, 
    defcount=0, closure=0x0) at ../Python/ceval.c:2741
#5  0x080ba527 in PyEval_EvalCode (co=0xb7da75a0, globals=0xb7dfd824, 
    locals=0xb7dfd824) at ../Python/ceval.c:484
#6  0x080dd345 in PyRun_InteractiveOneFlags (fp=0xb7f56420, 
    filename=0x8107d9b "<stdin>", flags=0xbfff2bb4)
    at ../Python/pythonrun.c:1285
#7  0x080dd466 in PyRun_InteractiveLoopFlags (fp=0xb7f56420, 
    filename=0x8107d9b "<stdin>", flags=0xbfff2bb4)
    at ../Python/pythonrun.c:704
#8  0x080ddf72 in PyRun_AnyFileExFlags (fp=0xb7f56420, 
    filename=0x8107d9b "<stdin>", closeit=0, flags=0xbfff2bb4)
    at ../Python/pythonrun.c:667
#9  0x08055cc2 in Py_Main (argc=0, argv=0xbfff2c84) at ../Modules/main.c:493
#10 0x08055132 in main (argc=Cannot access memory at address 0x0
) at ../Modules/python.c:23
(gdb) q
The program is running.  Exit anyway? (y or n)