.
Thread 3 (Thread 2296):
#0  0x00007fbd6341e0c3 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = 18446744073709551100
        oldtype = 0
        result = <value optimized out>
#1  0x00007fbd6372ed68 in g_main_dispatch (context=0xffffffff) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:2424
        _g_boolean_var_ = 1
        source = <error reading variable source (Cannot access memory at address 0xfffffffffffffdfc)>
        current = 0x7fbd639d7f40
        i = 12586880
#2  g_main_context_dispatch (context=0xffffffff) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3046
No locals.
#3  0x00007fbd6343a690 in ?? () at forward.c:184 from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007fbd639d7820 in ?? ()
No symbol table info available.
#5  0x00007fbd639d7808 in ?? ()
No symbol table info available.
#6  0x00007fbd6343a660 in ?? () at forward.c:182 from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x00007fbd646836f6 in g_dbus_proxy_call_finish (proxy=0x3, res=0x1, error=<value optimized out>) at /build/buildd/glib2.0-2.29.10/./gio/gdbusproxy.c:2568
        simple = <value optimized out>
        __PRETTY_FUNCTION__ = "g_dbus_proxy_call_finish"
#8  0x00007fbd576209c0 in ?? ()
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 2303):
#0  0x00007fbd6341e0c3 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = 18446744073709551100
        oldtype = 0
        result = <value optimized out>
#1  0x00007fbd6372ed68 in g_main_dispatch (context=0xffffffff) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:2424
        _g_boolean_var_ = 1
        source = <error reading variable source (Cannot access memory at address 0xfffffffffffffdfc)>
        current = 0x7fbd639d7f40
        i = 12747712
#2  g_main_context_dispatch (context=0xffffffff) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3046
No locals.
#3  0x00007fbd6343a690 in ?? () at forward.c:184 from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007fbd639d7820 in ?? ()
No symbol table info available.
#5  0x00007fbd639d7808 in ?? ()
No symbol table info available.
#6  0x00007fbd6343a660 in ?? () at forward.c:182 from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x00007fbd56802a0b in dconf_context_thread (data=<value optimized out>) at dconfcontext.c:11
        context = 0x7fbd639d7f40
        loop = <value optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#8  0x00007fbd63754256 in g_once_init_enter_impl (value_location=0x0) at /build/buildd/glib2.0-2.29.10/./glib/gthread.c:1116
        need_init = 0
#9  0x00007fbd567fd9c0 in ?? ()
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 2290):
#0  0x00007fbd6371d510 in g_hash_table_iter_get_hash_table (iter=<value optimized out>) at /build/buildd/glib2.0-2.29.10/./glib/ghash.c:763
        __PRETTY_FUNCTION__ = "g_hash_table_iter_get_hash_table"
Cannot access memory at address 0x7fff83aecff8