.
Thread 4 (Thread 0x7f5664b02700 (LWP 24078)):
#0  0x00007f566c200303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f566aa60d84 in g_main_context_poll (n_fds=5, fds=0x17e6e20, timeout=-1, context=0x18c6090, priority=<optimized out>) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3584
        poll_func = 0x7f566aa6ee00 <g_poll>
#2  g_main_context_iterate (context=0x18c6090, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 5
        allocated_nfds = <optimized out>
        fds = 0x17e6e20
#3  0x00007f566aa611e2 in g_main_loop_run (loop=0x18b8100) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3484
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f56668874a6 in gdbus_shared_thread_func (user_data=0x18c6060) at /build/buildd/glib2.0-2.34.1/./gio/gdbusprivate.c:277
        data = 0x18c6060
#5  0x00007f566aa84645 in g_thread_proxy (data=0x18c6230) at /build/buildd/glib2.0-2.34.1/./glib/gthread.c:797
        thread = 0x18c6230
#6  0x00007f566bf02e9a in start_thread (arg=0x7f5664b02700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f5664b02700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2978816597123046587, 140009048079088, 140009033181632, 0, 3, -2883948039843701573, -2883933194828211013}, 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"
#7  0x00007f566c20bcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f5665938700 (LWP 24076)):
#0  0x00007f566c200303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f566aa60d84 in g_main_context_poll (n_fds=1, fds=0x1875fb0, timeout=-1, context=0x1875c20, priority=<optimized out>) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3584
        poll_func = 0x7f566aa6ee00 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x1875c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x1875fb0
#3  0x00007f566aa60ea4 in g_main_context_iteration (context=context@entry=0x1875c20, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3351
        retval = <optimized out>
#4  0x00007f566617b4ad in dconf_gdbus_worker_thread (user_data=0x1875c20) at dconf-gdbus-thread.c:81
        context = 0x1875c20
#5  0x00007f566aa84645 in g_thread_proxy (data=0x1875dc0) at /build/buildd/glib2.0-2.34.1/./glib/gthread.c:797
        thread = 0x1875dc0
#6  0x00007f566bf02e9a in start_thread (arg=0x7f5665938700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f5665938700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2978816597123046587, 140737038523280, 140009048082880, 0, 3, -2883945541246477125, -2883933194828211013}, 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"
#7  0x00007f566c20bcbd 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 0x7f5668a2e700 (LWP 24073)):
#0  0x00007f566c200303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f566aa60d84 in g_main_context_poll (n_fds=1, fds=0x17ee5a0, timeout=-1, context=0x17ee1a0, priority=<optimized out>) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3584
        poll_func = 0x7f566aa6ee00 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x17ee1a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x17ee5a0
#3  0x00007f566aa60ea4 in g_main_context_iteration (context=0x17ee1a0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:3351
        retval = <optimized out>
#4  0x00007f566aa60ef1 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.34.1/./glib/gmain.c:5028
No locals.
#5  0x00007f566aa84645 in g_thread_proxy (data=0x17ee3c0) at /build/buildd/glib2.0-2.34.1/./glib/gthread.c:797
        thread = 0x17ee3c0
#6  0x00007f566bf02e9a in start_thread (arg=0x7f5668a2e700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f5668a2e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2978816597123046587, 140737038524336, 140009099422144, 0, 3, -2883939095574307653, -2883933194828211013}, 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"
#7  0x00007f566c20bcbd 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 0x7f566cea3780 (LWP 24072)):
#0  0x00007f5669ac469c in g_type_check_instance_is_a (type_instance=<optimized out>, iface_type=<optimized out>) at /build/buildd/glib2.0-2.34.1/./gobject/gtype.c:3964
        node = 0x567006f73980030
        iface = 0x1b49fc0
        check = 0
#1  0x00007f565bc713d6 in unity::launcher::BamfLauncherIcon::UpdateIconGeometries(std::vector<nux::Point3D<float>, std::allocator<nux::Point3D<float> > >) () from /tmp/apport_sandbox_Bj6or7/usr/lib/compiz/libunityshell.so
No symbol table info available.
#2  0x00007f565bc72002 in unity::launcher::BamfLauncherIcon::UpdateDesktopQuickList() () from /tmp/apport_sandbox_Bj6or7/usr/lib/compiz/libunityshell.so
No symbol table info available.
#3  0x0000000000000000 in ?? ()
No symbol table info available.