.
Thread 3 (Thread 2357):
#0  0x00007fb080c32e33 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = 18446744073709551100
        oldtype = 0
        result = <value optimized out>
#1  0x00007fb081f7f104 in g_main_context_poll (context=0x1c9f720, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3404
        poll_func = 0x7fb081f8f130 <g_poll>
#2  g_main_context_iterate (context=0x1c9f720, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3086
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 1
        allocated_nfds = <value optimized out>
        fds = 0x2094560
#3  0x00007fb081f7f9f2 in g_main_loop_run (loop=0x214abe0) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007fb06c5ec69b in dconf_context_thread (data=0x1c9f720) at dconfcontext.c:11
        context = 0x1c9f720
        loop = <value optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#5  0x00007fb081fa63e4 in g_thread_create_proxy (data=0x2150cd0) at /build/buildd/glib2.0-2.28.4/./glib/gthread.c:1897
        thread = 0x2150cd0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007fb0818aad8c in start_thread (arg=0x7fb06912e700) at pthread_create.c:304
        pd = 0x7fb06912e700
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140395653818112, -1430491799999019634, 140733640851328, 140395653818816, 0, 3, 1388530821066065294, 1388476873575957902}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007fb080c3ff7d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 2256):
#0  0x00007fb080c32e33 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = 18446744073709551100
        oldtype = 0
        result = <value optimized out>
#1  0x00007fb081f7f104 in g_main_context_poll (context=0x17fdb90, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3404
        poll_func = 0x7fb081f8f130 <g_poll>
#2  g_main_context_iterate (context=0x17fdb90, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3086
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 3
        allocated_nfds = <value optimized out>
        fds = 0x17fdfd0
#3  0x00007fb081f7f9f2 in g_main_loop_run (loop=0x17fdb70) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007fb082fa8d44 in gdbus_shared_thread_func (data=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./gio/gdbusprivate.c:276
No locals.
#5  0x00007fb081fa63e4 in g_thread_create_proxy (data=0x17fdc70) at /build/buildd/glib2.0-2.28.4/./glib/gthread.c:1897
        thread = 0x17fdc70
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007fb0818aad8c in start_thread (arg=0x7fb07e4aa700) at pthread_create.c:304
        pd = 0x7fb07e4aa700
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140396009793280, -1430491799999019634, 140733640853328, 140396009793984, 0, 3, 1388555489210729870, 1388476873575957902}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007fb080c3ff7d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 2249):
#0  0x00007fb0720f2127 in sigc::internal::typed_slot_rep<sigc::bound_mem_functor3<void, Launcher, unsigned int, unsigned long, unsigned long> >::dup(void*) () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#1  0x00007fb082873835 in g_value_peek_pointer (value=0x229da60) at /build/buildd/glib2.0-2.28.4/./gobject/gvalue.c:316
        value_table = <value optimized out>
        __PRETTY_FUNCTION__ = "g_value_peek_pointer"
#2  0x0000000000000000 in ?? ()
No symbol table info available.