.
Thread 3 (Thread 1434):
#0  0x00194416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00ec8f56 in __poll (fds=0x8b64610, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:89
        oldtype = 0
        result = 16142324
#2  0x0040442b in g_pattern_spec_free (pspec=0x8b64610) at /build/buildd/glib2.0-2.29.10/./glib/gpattern.c:372
        __PRETTY_FUNCTION__ = "g_pattern_spec_free"
#3  0x003f5706 in unblock_source (context=0x3b72c8) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:2402
        _g_boolean_var_ = <value optimized out>
        tmp_list = <value optimized out>
#4  g_main_dispatch (context=0x3b72c8) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:2490
        dispatch = 0x7fffffff
        was_in_call = 0
        user_data = 0x3f539b
        callback = 0x4a2ff4
        cb_funcs = 0x6c0ff4
        cb_data = 0xffffffff
        current_source_link = {data = 0x8b647c8, next = 0x4a3878}
        need_destroy = 0
        source = 0x4a2ff4
        current = 0xffffffff
        i = <value optimized out>
#5  g_main_context_dispatch (context=0x3b72c8) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3046
No locals.
#6  0x06adb000 in ?? ()
No symbol table info available.
#7  0x003b72c8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 2 (Thread 1428):
#0  0x00194416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00ec8f56 in __poll (fds=0x8b17708, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:89
        oldtype = 0
        result = 16142324
#2  0x0040442b in g_pattern_spec_free (pspec=0x8b17708) at /build/buildd/glib2.0-2.29.10/./glib/gpattern.c:372
        __PRETTY_FUNCTION__ = "g_pattern_spec_free"
#3  0x003f5706 in unblock_source (context=0x8b14530) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:2402
        _g_boolean_var_ = <value optimized out>
        tmp_list = <value optimized out>
#4  g_main_dispatch (context=0x8b14530) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:2490
        dispatch = 0x7fffffff
        was_in_call = 0
        user_data = 0x3f539b
        callback = 0x4a2ff4
        cb_funcs = 0x0
        cb_data = 0xffffffff
        current_source_link = {data = 0x8b18538, next = 0x4a3878}
        need_destroy = 0
        source = 0x4a2ff4
        current = 0xc
        i = <value optimized out>
#5  g_main_context_dispatch (context=0x8b14530) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3046
No locals.
#6  0x003f3e9d in g_source_remove (tag=145818688) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:1922
        source = <value optimized out>
        __PRETTY_FUNCTION__ = "g_source_remove"
#7  0x002d9ff4 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 1 (Thread 1424):
#0  0x009b1a27 in gtk_window_group_list_windows (window_group=0x8c50008) at /build/buildd/gtk+3.0-3.1.8/./gtk/gtkwindow.c:8454
        toplevels = <value optimized out>
        toplevel = <value optimized out>
        group_windows = <value optimized out>
        __PRETTY_FUNCTION__ = "gtk_window_group_list_windows"
#1  0x00993723 in gtk_widget_get_root_window (widget=0x8cb3960) at /build/buildd/gtk+3.0-3.1.8/./gtk/gtkwidget.c:9490
        __PRETTY_FUNCTION__ = "gtk_widget_get_root_window"
#2  0x00994d8d in gtk_widget_pop_composite_child () at /build/buildd/gtk+3.0-3.1.8/./gtk/gtkwidget.c:10441
No locals.
#3  0x08cb3960 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)