I am seeing the same behavior. 

$ gdb python core

GNU gdb (GDB) 7.5-ubuntu
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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This GDB was configured as "x86_64-linux-gnu".
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<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/python...(no debugging symbols found)...done.

warning: core file may not match specified executable file.
[New LWP 3949]
[New LWP 3951]
[New LWP 3950]

warning: Can't read pathname for load map: Input/output error.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/python /usr/bin/ccsm'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007f9fa54fc45b in ?? () from /usr/lib/compizconfig/backends/libkconfig4.
so
(gdb) thread apply all backtrace

Thread 3 (Thread 0x7f9fad6f0700 (LWP 3950)):
#0  0x00007f9fb6f6a303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f9fb63b5d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9fb63b5ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu
/libglib-2.0.so.0
#3  0x00007f9fad6f74ad in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdc
onfsettings.so
#4  0x00007f9fb63d9645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9fb7b62e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.
so.0
#6  0x00007f9fb6f75cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9faceef700 (LWP 3951)):
#0  0x00007f9fb6f6a303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f9fb63b5d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9fb63b61e2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-
2.0.so.0
#3  0x00007f9fb44903b6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f9fb63d9645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9fb7b62e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.
so.0
#6  0x00007f9fb6f75cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9fb6c6a700 (LWP 3949)):
#0  0x00007f9fa54fc45b in ?? () from /usr/lib/compizconfig/backends/libkconfig4.
so
#1  0x00007f9fa775b448 in ccsCopyBackendInfoFromBackend () from /usr/lib/libcomp
izconfig.so.0
#2  0x00007f9fa775b632 in ?? () from /usr/lib/libcompizconfig.so.0
#3  0x00007f9fa775ec0b in ccsGetExistingBackends () from /usr/lib/libcompizconfi
g.so.0
#4  0x00007f9fa79c227c in ?? () from /usr/lib/python2.7/dist-packages/compizconf
ig.so
#5  0x000000000049629d in PyEval_CallObjectWithKeywords ()
#6  0x00007f9fa79c3611 in ?? () from /usr/lib/python2.7/dist-packages/compizconf
ig.so
#7  0x00000000004aaba8 in ?? ()
#8  0x00000000004600be in PyEval_EvalFrameEx ()
#9  0x0000000000467209 in PyEval_EvalCodeEx ()
#10 0x00000000004d0242 in PyEval_EvalCode ()
#11 0x00000000005102bb in ?? ()
#12 0x000000000044a466 in PyRun_FileExFlags ()
#13 0x000000000044a97a in PyRun_SimpleFileExFlags ()
#14 0x000000000044b6bc in Py_Main ()
#15 0x00007f9fb6ea376d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.s
o.6
#16 0x00000000004ce0ad in _start ()
(gdb)