.
Thread 4 (Thread 0x7fded8d57700 (LWP 2708)):
#0  0x00007fdedf62e47d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fdedfb6d694 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fdedfb6d79c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fded8d5ea9d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007fdedfb920e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fdedf90ff6e in start_thread (arg=0x7fded8d57700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fded8d57700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140595097335552, 4811416514450291166, 0, 140595248205920, 140734686837312, 4096, -4794041700510991906, -4794034584260970018}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fdedf63aecd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 3 (Thread 0x7fded3fff700 (LWP 2709)):
#0  0x00007fdedf62e47d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fdedfb6d694 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fdedfb6dafa in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fdee05ae9d6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fdedfb920e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fdedf90ff6e in start_thread (arg=0x7fded3fff700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fded3fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140595016234752, 4811416514450291166, 0, 140595248205920, 140595097331936, 4096, -4794026638060684834, -4794034584260970018}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fdedf63aecd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (Thread 0x7fded344b700 (LWP 2710)):
#0  0x00007fdedf62e47d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fdedfb6d694 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fdedfb6d79c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fdedfb6d7e9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fdedfb920e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fdedf90ff6e in start_thread (arg=0x7fded344b700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fded344b700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140595003963136, 4811416514450291166, 0, 140595248205920, 140734686837888, 4096, -4794025338833077794, -4794034584260970018}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fdedf63aecd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (Thread 0x7fdee1cfd980 (LWP 2705)):
#0  0x00007fdebfeea146 in ?? () from /usr/lib/x86_64-linux-gnu/libcogl.so.12
No symbol table info available.
#1  0x00007fdebfeea8b7 in ?? () from /usr/lib/x86_64-linux-gnu/libcogl.so.12
No symbol table info available.
#2  0x00007fdebfeee24e in ?? () from /usr/lib/x86_64-linux-gnu/libcogl.so.12
No symbol table info available.
#3  0x00007fdebfeb2861 in cogl_renderer_connect () from /usr/lib/x86_64-linux-gnu/libcogl.so.12
No symbol table info available.
#4  0x00007fdec017a64f in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
No symbol table info available.
#5  0x00007fdec0191da3 in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
No symbol table info available.
#6  0x00007fdec01a2d5a in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
No symbol table info available.
#7  0x00007fdec01a2f7d in ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
No symbol table info available.
#8  0x00007fdedfb785a7 in g_option_context_parse () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#9  0x00007fdec01a3c10 in clutter_init () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
No symbol table info available.
#10 0x00007fdec0a918ac in cheese_gtk_init () from /usr/lib/x86_64-linux-gnu/libcheese-gtk.so.23
No symbol table info available.
#11 0x00007fdec10fae93 in g_io_module_load () from /usr/lib/x86_64-linux-gnu/control-center-1/panels/libuser-accounts.so
No symbol table info available.
#12 0x00007fdee053d656 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#13 0x00007fdedfe59e71 in g_type_module_use () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#14 0x00007fdee053da35 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 0x00000000004099ea in ?? ()
No symbol table info available.
#16 0x00007fdedfe56c3b in g_type_create_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#17 0x00007fdedfe3b0e5 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#18 0x00007fdedfe3cedd in g_object_newv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#19 0x00007fdedfe3d68c in g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#20 0x0000000000407102 in main ()
No symbol table info available.