.
Thread 5 (Thread 0x7ff2a1ee7700 (LWP 3401)):
#0  0x00007ff2b21e60bd in read () at ../sysdeps/unix/syscall-template.S:82
No locals.
#1  0x00007ff2b2b8eb93 in read (__nbytes=128, __buf=0x7ff2a1ee6b50, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:45
No locals.
#2  unix_signal_helper_thread (data=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:4567
        i = <optimized out>
        bytes_read = 140680347132336
        b = '\000' <repeats 127 times>
        sigterm_received = 0
        sigint_received = 0
        sighup_received = 0
#3  0x00007ff2b2bb8626 in g_thread_create_proxy (data=0x27d0100) at /build/buildd/glib2.0-2.29.90/./glib/gthread.c:1962
        thread = 0x27d0100
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#4  0x00007ff2b21deedc in start_thread (arg=0x7ff2a1ee7700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7ff2a1ee7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3092967654964951588, 140734333471152, 140680075573696, 0, 3, -3095892222091625948, -3095932779545658844}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007ff2b1f1989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#6  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (Thread 0x7ff2a8f29700 (LWP 3396)):
#0  0x00007ff2b1f0d773 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  0x00007ff2b2b93078 in g_main_context_poll (n_fds=1, fds=0x2522e20, timeout=-1, context=0x251e780, priority=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3402
        poll_func = 0x7ff2b2ba1620 <g_poll>
#2  g_main_context_iterate (context=0x251e780, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x2522e20
#3  0x00007ff2b2b938a2 in g_main_loop_run (loop=0x2522e00) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007ff2aa77fc7b in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
        context = 0x251e780
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#5  0x00007ff2b2bb8626 in g_thread_create_proxy (data=0x251e6d0) at /build/buildd/glib2.0-2.29.90/./glib/gthread.c:1962
        thread = 0x251e6d0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007ff2b21deedc in start_thread (arg=0x7ff2a8f29700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7ff2a8f29700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3092967654964951588, 140734333469696, 140680193284544, 0, 3, -3095876933081794012, -3095932779545658844}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007ff2b1f1989d 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 0x7ff2a9f2b700 (LWP 5798)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
No locals.
#1  0x00007ff2b2e464d5 in g_cond_timed_wait_posix_impl (cond=<optimized out>, entered_mutex=<optimized out>, abs_time=<optimized out>) at /build/buildd/glib2.0-2.29.90/./gthread/gthread-posix.c:242
        result = <optimized out>
        end_time = {tv_sec = 1315976489, tv_nsec = 484798000}
        timed_out = <optimized out>
        __PRETTY_FUNCTION__ = "g_cond_timed_wait_posix_impl"
#2  0x00007ff2b2b6747f in g_async_queue_pop_intern_unlocked (queue=0x2504750, try=0, end_time=0x7ff2a9f2abd0) at /build/buildd/glib2.0-2.29.90/./glib/gasyncqueue.c:415
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007ff2b2b67cd1 in g_async_queue_timed_pop (queue=0x2504750, end_time=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gasyncqueue.c:536
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_timed_pop"
#4  0x00007ff2b2bbaa67 in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.29.90/./glib/gthreadpool.c:175
        end_time = {tv_sec = 1315976489, tv_usec = 484798}
        pool = <optimized out>
        local_max_idle_time = 15000
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = 2
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = 0
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gthreadpool.c:378
        free_pool = <optimized out>
        task = 0x2
        pool = <optimized out>
#6  0x00007ff2b2bb8626 in g_thread_create_proxy (data=0x26352f0) at /build/buildd/glib2.0-2.29.90/./glib/gthread.c:1962
        thread = 0x26352f0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#7  0x00007ff2b21deedc in start_thread (arg=0x7ff2a9f2b700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7ff2a9f2b700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3092967654964951588, 140734333470192, 140680210069952, 0, 3, -3095874735132280284, -3095932779545658844}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007ff2b1f1989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7ff2a972a700 (LWP 3395)):
#0  0x00007ff2b1f0d773 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  0x00007ff2b2b93078 in g_main_context_poll (n_fds=3, fds=0x2512740, timeout=-1, context=0x2502160, priority=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3402
        poll_func = 0x7ff2b2ba1620 <g_poll>
#2  g_main_context_iterate (context=0x2502160, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0x2512740
#3  0x00007ff2b2b938a2 in g_main_loop_run (loop=0x2502110) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007ff2b37ca7b6 in gdbus_shared_thread_func (user_data=0x2502130) at /build/buildd/glib2.0-2.29.90/./gio/gdbusprivate.c:276
        data = 0x2502130
#5  0x00007ff2b2bb8626 in g_thread_create_proxy (data=0x2502250) at /build/buildd/glib2.0-2.29.90/./glib/gthread.c:1962
        thread = 0x2502250
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007ff2b21deedc in start_thread (arg=0x7ff2a972a700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7ff2a972a700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3092967654964951588, 140680210065792, 140680201677248, 0, 3, -3095873635083781596, -3095932779545658844}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007ff2b1f1989d 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 0x7ff2b4e459a0 (LWP 3391)):
#0  gdk_property_change (window=0x0, property=0x74, type=0x4, format=32, mode=GDK_PROP_MODE_REPLACE, data=0x27f0b50 "x", nelements=10) at /build/buildd/gtk+3.0-3.1.18/./gdk/gdkwindow.c:10891
No locals.
#1  0x00007ff2b40d88d5 in _gtk_selection_request (widget=0x255b800, event=0x2899eb0) at /build/buildd/gtk+3.0-3.1.18/./gtk/gtkselection.c:2302
        display = 0x50
        info = <optimized out>
        tmp_list = <optimized out>
        i = <optimized out>
        selection_max_size = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_selection_request"
#2  0x00007ff2b4064143 in _gtk_marshal_BOOLEAN__BOXED (closure=<optimized out>, return_value=<optimized out>, n_param_values=<optimized out>, param_values=0x20, invocation_hint=0x0, marshal_data=0x27f0b50) at /build/buildd/gtk+3.0-3.1.18/./gtk/gtkmarshalers.c:90
        callback = <optimized out>
        cc = <optimized out>
        data1 = <optimized out>
        data2 = <optimized out>
        v_return = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED"
#3  0x000000000285f130 in ?? ()
No symbol table info available.
#4  0x00000000023ede00 in ?? ()
No symbol table info available.
#5  0x0000000000000000 in ?? ()
No symbol table info available.