.
Thread 4 (Thread 0x7f40c3222700 (LWP 23419)):
#0  0x00007f40ccbc283d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f40cd0f933c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f40cd0f96c2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f40cd6f7816 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f40cd11fb95 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f40cce9866a in start_thread (arg=0x7f40c3222700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f40c3222700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139916128429824, -422393000754906864, 0, 140734316471631, 139916128430528, 31069648, 334072907055790352, 334042759943846160}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f40ccbcde4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 3 (Thread 0x7f40c2814700 (LWP 23420)):
#0  0x00007f40ccbc283d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f40cd0f933c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f40cd0f944c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f40c281c28d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f40cd11fb95 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f40cce9866a in start_thread (arg=0x7f40c2814700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f40c2814700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139916117886720, -422393000754906864, 0, 140734316472831, 139916117887424, 30955792, 334074306141387024, 334042759943846160}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f40ccbcde4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 2 (Thread 0x7f40c3a23700 (LWP 23418)):
#0  0x00007f40ccbc283d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f40cd0f933c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f40cd0f944c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f40cd0f9489 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f40cd11fb95 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f40cce9866a in start_thread (arg=0x7f40c3a23700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f40c3a23700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139916136822528, -422393000754906864, 0, 140734316471279, 139916136823232, 0, 334071805933549840, 334042759943846160}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f40ccbcde4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (Thread 0x7f40cf4d2a40 (LWP 23417)):
#0  0x00007f40ad568549 in ?? () from /usr/lib/x86_64-linux-gnu/libcogl.so.20
No symbol table info available.
#1  0x00007f40ad570838 in ?? () from /usr/lib/x86_64-linux-gnu/libcogl.so.20
No symbol table info available.
#2  0x00007f40ad5adf42 in ?? () from /usr/lib/x86_64-linux-gnu/libcogl.so.20
No symbol table info available.
#3  0x00007f40ad567401 in cogl_renderer_connect () from /usr/lib/x86_64-linux-gnu/libcogl.so.20
No symbol table info available.
#4  0x00007f40ad85b9ef in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
No symbol table info available.
#5  0x00007f40ad874523 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
No symbol table info available.
#6  0x00007f40ad885979 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
No symbol table info available.
#7  0x00007f40ad885b80 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
No symbol table info available.
#8  0x00007f40cd103f17 in g_option_context_parse () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#9  0x00007f40ad886928 in clutter_init () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
No symbol table info available.
#10 0x00007f40ae3b84fc in cheese_gtk_init () from /usr/lib/x86_64-linux-gnu/libcheese-gtk.so.25
No symbol table info available.
#11 0x00007f40aec6cef3 in g_io_module_load () from /usr/lib/x86_64-linux-gnu/unity-control-center-1/panels/libuser-accounts.so
No symbol table info available.
#12 0x00007f40cd673ef6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#13 0x00007f40cd3f66d1 in g_type_module_use () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#14 0x00007f40cd6742d5 in g_io_modules_load_all_in_directory_with_scope () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#15 0x000000000040a44a in ?? ()
No symbol table info available.
#16 0x00007f40cd3f3389 in g_type_create_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#17 0x00007f40cd3d531b in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#18 0x00007f40cd3d6c01 in g_object_newv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#19 0x00007f40cd3d7534 in g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#20 0x0000000000407546 in main ()
No symbol table info available.