.
Thread 4 (Thread 0xaaeaeb40 (LWP 4552)):
#0  0xb77bd424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6d53380 in __GI___poll (fds=0x84d3c48, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xaf1934c6 in ?? ()
No symbol table info available.
#3  0x084d3c48 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 3 (Thread 0xb637bb40 (LWP 4305)):
#0  0xb77bd424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6d53380 in __GI___poll (fds=0xb5a00c78, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xb6e71a8b in g_poll (fds=0xb5a00c78, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.32.0/./glib/gpoll.c:132
No locals.
#3  0xb6e6406e in g_main_context_poll (n_fds=1, fds=0xb5a00c78, timeout=<optimized out>, context=0x8144180, priority=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3417
        poll_func = 0xb6e71a60 <g_poll>
#4  g_main_context_iterate (dispatch=1, block=-1226368416, context=0x8144180, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0xb5a00c78
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#5  g_main_context_iterate (context=0x8144180, block=-1226368416, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
        some_ready = 1
#6  0xb6e6452b in g_main_loop_run (loop=0xb5a00c68) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0xb77b5134 in dconf_context_thread (data=0x8144180) at dconfcontext.c:11
        context = 0x8144180
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#8  0xb6e876c3 in g_thread_proxy (data=0x813fbb0) at /build/buildd/glib2.0-2.32.0/./glib/gthread.c:801
        thread = 0x813fbb0
#9  0xb6c30d4c in start_thread (arg=0xb637bb40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb637bb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1228660748, 0, 4001536, -1237863704, 1853427304, -2029570455}, 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"
#10 0xb6d61ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 2 (Thread 0xb59ffb40 (LWP 4306)):
#0  0xb77bd424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6d53380 in __GI___poll (fds=0xb5002398, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xb6e71a8b in g_poll (fds=0xb5002398, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.32.0/./glib/gpoll.c:132
No locals.
#3  0xb6e6406e in g_main_context_poll (n_fds=3, fds=0xb5002398, timeout=<optimized out>, context=0xb5a09990, priority=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3417
        poll_func = 0xb6e71a60 <g_poll>
#4  g_main_context_iterate (dispatch=1, block=-1226368416, context=0xb5a09990, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0xb5002398
        max_priority = 2147483647
        nfds = 3
        allocated_nfds = <optimized out>
#5  g_main_context_iterate (context=0xb5a09990, block=-1226368416, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
        some_ready = 3
#6  0xb6e6452b in g_main_loop_run (loop=0xb5a09968) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0xb71b81da in gdbus_shared_thread_func (user_data=0xb5a09978) at /build/buildd/glib2.0-2.32.0/./gio/gdbusprivate.c:277
        data = 0xb5a09978
#8  0xb6e876c3 in g_thread_proxy (data=0xb5a04830) at /build/buildd/glib2.0-2.32.0/./glib/gthread.c:801
        thread = 0xb5a04830
#9  0xb6c30d4c in start_thread (arg=0xb59ffb40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb59ffb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1228660748, 0, 4001536, -1247808792, 1056509551, -2029570455}, 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"
#10 0xb6d61ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 1 (Thread 0xb6778840 (LWP 4304)):
#0  0x0804d078 in panel_indicator_entry_accessible_get_n_children (accessible=0x8773f50) at /build/buildd/unity-5.8.0/services/panel-indicator-entry-accessible.c:256
        __inst = 0x86d6700
        __t = 135582856
        __r = <optimized out>
        piea = <optimized out>
        __PRETTY_FUNCTION__ = "panel_indicator_entry_accessible_get_n_children"
#1  0xb724bab6 in atk_object_get_n_accessible_children (accessible=0x8773f50) at atkobject.c:800
        klass = 0x821f6f8
        __PRETTY_FUNCTION__ = "atk_object_get_n_accessible_children"
#2  0xb51cb71c in ?? ()
No symbol table info available.
#3  0x08773f50 in ?? ()
No symbol table info available.
#4  0x03e00000 in ?? ()
No symbol table info available.
#5  0x0837616c in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)