.
Thread 2 (Thread 0x7fe5cdf4f700 (LWP 12774)):
#0  0x00007fe5e248adc3 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  0x00007fe5e161d136 in g_main_context_poll (n_fds=1, fds=0x7fe5c40010c0, timeout=-1, context=0x7fe5c84f6810, priority=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3412
        poll_func = 0x7fe5e162a090 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7fe5c84f6810, self=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7fe5c40010c0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x7fe5c84f6810, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3055
        some_ready = -1006628672
#4  0x00007fe5e161d59a in g_main_loop_run (loop=0x7fe5c84f6730) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007fe5e0f43446 in gdbus_shared_thread_func (user_data=0x7fe5c84f67e0) at /build/buildd/glib2.0-2.31.18/./gio/gdbusprivate.c:276
        data = 0x7fe5c84f67e0
#6  0x00007fe5e163e7d5 in g_thread_proxy (data=0x7fe5c8579370) at /build/buildd/glib2.0-2.31.18/./glib/gthread.c:801
        thread = 0x7fe5c8579370
#7  0x00007fe5e3680e9a in start_thread (arg=0x7fe5cdf4f700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fe5cdf4f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 6143712189388572248, 140625103693920, 140624979622336, 0, 3, -6158318144229325224, -6158356383411583400}, 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"
#8  0x00007fe5e249677d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7fe5e3aa0700 (LWP 11900)):
#0  0x00007fe5df4c8a60 in grid_attach (grid=0x131a330, widget=0x131a3f0, left=20030448, top=6, width=-4, height=<optimized out>) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkgrid.c:386
        priv = 0x7fff97a223f0
        child = <optimized out>
#1  0x0000000001b65b18 in ?? ()
No symbol table info available.
#2  0x00007fe5e0c6da14 in ffi_call_unix64 () at ../src/x86/unix64.S:75
No locals.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)