$ python
Python 2.5.2 (r252:60911, Oct  5 2008, 19:29:17)
[GCC 4.3.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import clr
Stacktrace:

  at (wrapper managed-to-native) Python.Runtime.Runtime.Py_Initialize () <0x00057>
  at (wrapper managed-to-native) Python.Runtime.Runtime.Py_Initialize () <0xffffffff>
  at Python.Runtime.Runtime.Initialize () <0x00070>
  at Python.Runtime.PythonEngine.Initialize () <0x00019>
  at (wrapper runtime-invoke) Python.Runtime.PythonEngine.runtime_invoke_void (object,intptr,intptr,intptr) <0xffffffff>

Native stacktrace:

        /usr/lib/libmono.so.0 [0x7f1442c5661d]
        /usr/lib/libmono.so.0 [0x7f1442c76a1d]
        /lib/libpthread.so.0 [0x7f14446ff0f0]
        /lib/libc.so.6(cfree+0x43) [0x7f1443d6df53]
        /usr/lib/libpython2.5.so(PyString_InternInPlace+0xbb) [0x7f14411cdf1b]
        /usr/lib/libpython2.5.so(PyString_InternFromString+0x22) [0x7f14411d05c2]
        /usr/lib/libpython2.5.so(PyType_Ready+0xa5) [0x7f14411e29e5]
        /usr/lib/libpython2.5.so(_Py_ReadyTypes+0x74) [0x7f14411c3b84]
        /usr/lib/libpython2.5.so(Py_InitializeEx+0x6b) [0x7f144123598b]
        [0x418e2a37]

Debug info from gdb:

(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0x7f1444b176e0 (LWP 13719)]
[New Thread 0x418c0950 (LWP 13721)]
[New Thread 0x418f5950 (LWP 13720)]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
0x00007f1443dd1482 in select () from /lib/libc.so.6
  3 Thread 0x418f5950 (LWP 13720)  0x00007f14446fe851 in nanosleep ()
   from /lib/libpthread.so.0
  2 Thread 0x418c0950 (LWP 13721)  0x00007f14446fb2d9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  1 Thread 0x7f1444b176e0 (LWP 13719)  0x00007f1443dd1482 in select ()
   from /lib/libc.so.6

Thread 3 (Thread 0x418f5950 (LWP 13720)):
#0  0x00007f14446fe851 in nanosleep () from /lib/libpthread.so.0
#1  0x00007f1442d21212 in ?? () from /usr/lib/libmono.so.0
#2  0x00007f14446f73ea in start_thread () from /lib/libpthread.so.0
#3  0x00007f1443dd8c6d in clone () from /lib/libc.so.6
#4  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x418c0950 (LWP 13721)):
#0  0x00007f14446fb2d9 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007f1442d240a5 in ?? () from /usr/lib/libmono.so.0
#2  0x00007f1442d2635b in ?? () from /usr/lib/libmono.so.0
#3  0x00007f1442d374ae in ?? () from /usr/lib/libmono.so.0
#4  0x00007f1442cbd133 in ?? () from /usr/lib/libmono.so.0
#5  0x00007f1442cdac5b in ?? () from /usr/lib/libmono.so.0
#6  0x00007f1442d35873 in ?? () from /usr/lib/libmono.so.0
#7  0x00007f1442d51c92 in ?? () from /usr/lib/libmono.so.0
#8  0x00007f14446f73ea in start_thread () from /lib/libpthread.so.0
#9  0x00007f1443dd8c6d in clone () from /lib/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1444b176e0 (LWP 13719)):
#0  0x00007f1443dd1482 in select () from /lib/libc.so.6
#1  0x00007f14427985ac in g_spawn_sync () from /usr/lib/libglib-2.0.so.0
#2  0x00007f1442798988 in g_spawn_command_line_sync ()
   from /usr/lib/libglib-2.0.so.0
#3  0x00007f1442c566c6 in ?? () from /usr/lib/libmono.so.0
#4  0x00007f1442c76a1d in ?? () from /usr/lib/libmono.so.0
#5  <signal handler called>
#6  0x00007f1443d6df53 in free () from /lib/libc.so.6
#7  0x00007f14411cdf1b in PyString_InternInPlace ()
   from /usr/lib/libpython2.5.so
#8  0x00007f14411d05c2 in PyString_InternFromString ()
   from /usr/lib/libpython2.5.so
#9  0x00007f14411e29e5 in PyType_Ready () from /usr/lib/libpython2.5.so
#10 0x00007f14411c3b84 in _Py_ReadyTypes () from /usr/lib/libpython2.5.so
#11 0x00007f144123598b in Py_InitializeEx () from /usr/lib/libpython2.5.so
#12 0x00000000418e2a37 in ?? ()
#13 0x00000000013a7e60 in ?? ()
#14 0x00000000013a8db8 in ?? ()
#15 0x0000000000000000 in ?? ()
#0  0x00007f1443dd1482 in select () from /lib/libc.so.6


=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================

Aborted
$