Starting program: /usr/bin/cheese 
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib/libgobject-2.0.so.0.3200.3-gdb.py", line 9, in <module>
    from gobject import register
  File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
    import gdb.backtrace
ImportError: No module named backtrace
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".
[New Thread 0x7fffe96fb700 (LWP 15007)]
[New Thread 0x7fffe3fff700 (LWP 15008)]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff5097eb6 in __strcmp_ssse3 () from /lib/libc.so.6
#0  0x00007ffff5097eb6 in __strcmp_ssse3 () from /lib/libc.so.6
No symbol table info available.
#1  0x00007ffff7bd19c6 in cheese_camera_set_device_by_dev_uuid (camera=
    0xbb5d60, uuid=0xc7d100 "") at libcheese/cheese-camera.c:1434
        device = 0x0
        priv = 0xbb5d80
        i = 1
#2  0x00007ffff7bd1b54 in cheese_camera_setup (camera=0xbb5d60, uuid=
    0xc7d100 "", error=0x7fffffffdd40) at libcheese/cheese-camera.c:1475
        priv = 0xbb5d80
        tmp_error = 0x0
        video_sink = 0xbb5d60
        caps = 0x0
        __PRETTY_FUNCTION__ = "cheese_camera_setup"
        __FUNCTION__ = "cheese_camera_setup"
#3  0x0000000000421cbd in cheese_main_window_setup_camera (self=0x9fc020, uri=
    0x0) at src/cheese-window.c:4969
        _tmp17_ = 0xbb5d60
        _tmp18_ = 0xc7d100 ""
        device = 0xc7d100 ""
        value = 0
        _tmp0_ = 0
        _tmp1_ = 0x0
        _tmp5_ = 0
        _tmp10_ = 0xc8e080
        _tmp11_ = 0xc7d100 ""
        _tmp12_ = 0xb9d450
        _tmp13_ = 0
        _tmp14_ = 0xb9d450
        _tmp15_ = 0
        _tmp16_ = 0xbb5d60
        _tmp26_ = 0x9fc020
        _tmp27_ = 0
        _tmp28_ = 6.9533469858091582e-310
        _tmp31_ = 0x7fffffffdea0
        _tmp32_ = 0
        _tmp33_ = 3.2389995135312108e-317
        _tmp36_ = 0x7ffff6630567
        _tmp37_ = 0
        _tmp38_ = 6.9533471164407572e-310
        _tmp41_ = 0x6408a0
        _tmp42_ = 0
        _tmp43_ = 6.9533471166948058e-310
        _tmp46_ = 0x9fc020
        _tmp47_ = 0x7ffff583bcfe
        _inner_error_ = 0x0
        __PRETTY_FUNCTION__ = "cheese_main_window_setup_camera"
#4  0x0000000000423614 in cheese_main_on_app_activate (self=0x78d740)
    at src/cheese-main.c:205
        _tmp3_ = 0x9d3e30
        gtk_settings = 0x9d3e30
        _tmp7_ = 0x9fc020
        _tmp13_ = 0x9fc020
        _tmp20_ = 0x9fc020
        _tmp2_ = 0x9d3e30
        _tmp6_ = 0x9fc020
        _tmp12_ = 0x9fc020
        _tmp16_ = 0
        _tmp9_ = 0x6b3130
        _tmp11_ = 0x0
        _tmp19_ = 0x9fc020
        _tmp4_ = 0x9d3e30
        _tmp8_ = 0x42b86b "Cheese"
        _tmp10_ = 0xa08040 "\001"
        _tmp14_ = 0
        _tmp18_ = 0x9fc020
        _tmp21_ = 0x0
        _tmp0_ = 0x0
        __PRETTY_FUNCTION__ = "cheese_main_on_app_activate"
#5  0x0000000000423f91 in _cheese_main_on_app_activate_g_application_activate (
    _sender=0x78d740, self=0x78d740) at src/cheese-main.c:436
No locals.
#6  0x00007ffff5836ee4 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007ffff5847f70 in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007ffff584feec in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#9  0x00007ffff5850082 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#10 0x00000000004238a5 in cheese_main_real_local_command_line (base=0x78d740, 
    arguments=0x7fffffffe650, exit_status=0x7fffffffe64c)
    at src/cheese-main.c:277
        self = 0x78d740
        _vala_exit_status = 0
        result = 0
        _tmp3_ = 0x7fb6c0
        _tmp3__length1 = 1
        local_args = 0x7fb6c0
        local_args_length1 = 1
        _local_args_size_ = 1
        _tmp4_ = 0x7fb6c0
        _tmp4__length1 = 1
        n_args = 1
        _tmp5_ = 1
        _inner_error_ = 0x0
#11 0x00007ffff5d2eb68 in g_application_run () from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#12 0x00000000004240a6 in _vala_main (args=0x7fffffffe808, args_length1=1)
    at src/cheese-main.c:469
        result = 0
        _tmp0_ = 1
        app = 0x78d740
        _tmp1_ = 0x78d740
        _tmp2_ = 0x78d740
        _tmp3_ = 0x78d740
        _tmp4_ = 0x78d740
        _tmp5_ = 0x7fffffffe808
        _tmp5__length1 = 1
        _tmp6_ = 0
        status = 0
#13 0x0000000000424104 in main (argc=1, argv=0x7fffffffe808)
    at src/cheese-main.c:480
No locals.