.
Thread 3 (Thread 0x7f529ffff700 (LWP 4030)):
#0  clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:81
No locals.
#1  0x00007f52a86500a0 in ?? () at pthread_create.c:173 from /tmp/apport_sandbox_fJVSVg/lib/x86_64-linux-gnu/libpthread.so.0
        __nptl_threads_events = {event_bits = {0, 0}}
        stack_cache = {next = 0x7f52a88612a0 <stack_cache>, prev = 0x7f52a88612a0 <stack_cache>}
        stack_cache_actsize = 0
        __nptl_last_event = 0x0
        stack_cache_lock = 0
        in_flight_stack = 0
        stack_used = {next = 0x7f529ffff9c0, prev = 0x7f52a4ff39c0}
        _thread_db_pthread_key_data_data = {64, 1, 8}
        _thread_db_pthread_specific = {2048, 1, 1296}
        _thread_db_pthread_nextevent = {64, 1, 1640}
        _thread_db_pthread_pid = {32, 1, 724}
        _thread_db_sizeof_pthread_key_data = 16
        _thread_db_const_thread_area = 25
        _thread_db_pthread_tid = {32, 1, 720}
        _thread_db_pthread_cancelhandling = {32, 1, 776}
        _thread_db_pthread_eventbuf = {192, 1, 1616}
        _thread_db___nptl_last_event = {64, 1, 0}
        _thread_db_pthread_key_data_seq = {64, 1, 0}
        __libc_multiple_threads_ptr = 0x7f52a7340054 <__libc_multiple_threads>
        _thread_db_pthread_eventbuf_eventmask_event_bits = {32, 2, 1616}
        _thread_db_list_t_prev = {64, 1, 8}
        _thread_db_td_thr_events_t_event_bits = {32, 2, 0}
        _thread_db_pthread_key_struct_seq = {64, 1, 0}
        _thread_db_dtv_t_pointer_val = {64, 1, 0}
        __stack_user = {next = 0x7f52a8a60b40, prev = 0x7f52a8a60b40}
        _thread_db_sizeof_list_t = 16
        _thread_db_sizeof_pthread_key_struct = 16
        __pthread_debug = 0
        _thread_db_td_eventbuf_t_eventdata = {64, 1, 16}
        _thread_db_pthread_list = {128, 1, 704}
        _thread_db___pthread_keys = {128, 1024, 0}
        _thread_db_pthread_key_struct_destr = {64, 1, 8}
        _thread_db_pthread_eventbuf_eventmask = {64, 1, 1616}
        _thread_db_sizeof_td_thr_events_t = 8
        _thread_db_pthread_schedparam_sched_priority = {32, 1, 1592}
        _thread_db_pthread_dtvp = {64, 1, 8}
        _thread_db_pthread_schedpolicy = {32, 1, 1596}
        _thread_db_sizeof_td_eventbuf_t = 24
        _thread_db_td_eventbuf_t_eventnum = {32, 1, 8}
        _thread_db_pthread_start_routine = {64, 1, 1600}
        _thread_db_list_t_next = {64, 1, 0}
        _thread_db___nptl_nthreads = {32, 1, 0}
        _thread_db___nptl_initial_report_events = {8, 1, 0}
        _thread_db_sizeof_pthread_key_data_level2 = 512
        _thread_db_link_map_l_tls_modid = {64, 1, 1096}
        _thread_db_dtv_dtv = {128, 134217727, 0}
        _thread_db_sizeof_pthread = 2304
        _thread_db_pthread_report_events = {8, 1, 1553}
        _thread_db_pthread_key_data_level2_data = {128, 32, 0}
        __GI___stack_user = {next = 0x7f52a8a60b40, prev = 0x7f52a8a60b40}
        __nptl_nthreads = 3
#2  0x00007f529ffff700 in ?? ()
No symbol table info available.
#3  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f52a4ff3700 (LWP 4029)):
#0  0x00007f52a7da99d6 in g_type_parent (type=type@entry=139992848449968) at /build/buildd/glib2.0-2.41.1/./gobject/gtype.c:3365
No locals.
#1  0x00007f52a7daaa33 in g_type_add_interface_static (instance_type=139992848455024, interface_type=139992848449968, info=0x7f52a4ff2c70) at /build/buildd/glib2.0-2.41.1/./gobject/gtype.c:2822
        _g_boolean_var_ = <optimized out>
        __FUNCTION__ = "g_type_add_interface_static"
#2  0x00007f52a802ccde in g_memory_input_stream_get_type () at /build/buildd/glib2.0-2.41.1/./gio/gmemoryinputstream.c:102
        g_implement_interface_info = {interface_init = 0x7f52a802c760 <g_memory_input_stream_pollable_iface_init>, interface_finalize = 0x0, interface_data = 0x0}
        g_define_type_id = 139992848455024
        g_define_type_id__volatile = 0
#3  0x00007f52a80a2b79 in ensure_required_types () at /build/buildd/glib2.0-2.41.1/./gio/gdbusprivate.c:255
No locals.
#4  _g_dbus_shared_thread_ref () at /build/buildd/glib2.0-2.41.1/./gio/gdbusprivate.c:294
        data = <optimized out>
        ret = <optimized out>
        shared_thread_data = 0
#5  _g_dbus_worker_new (stream=<optimized out>, capabilities=G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING, initially_frozen=0, message_received_callback=message_received_callback@entry=0x7f52a8090da0 <on_worker_message_received>, message_about_to_be_sent_callback=message_about_to_be_sent_callback@entry=0x7f52a808e780 <on_worker_message_about_to_be_sent>, disconnected_callback=disconnected_callback@entry=0x7f52a808e590 <on_worker_closed>, user_data=user_data@entry=0x19e2030) at /build/buildd/glib2.0-2.41.1/./gio/gdbusprivate.c:1679
        worker = 0x7f52a00101d0
        idle_source = <optimized out>
        __FUNCTION__ = "_g_dbus_worker_new"
#6  0x00007f52a8096d86 in initable_init (initable=0x19e2030, cancellable=<optimized out>, error=0x7f52a4ff2d68) at /build/buildd/glib2.0-2.41.1/./gio/gdbusconnection.c:2655
        connection = 0x19e2030
        ret = 0
        __FUNCTION__ = "initable_init"
#7  0x00007f52a8000301 in async_init_thread (task=0x19e3010, source_object=<optimized out>, task_data=<optimized out>, cancellable=<optimized out>) at /build/buildd/glib2.0-2.41.1/./gio/gasyncinitable.c:257
        error = 0x0
#8  0x00007f52a804c0d5 in g_task_thread_pool_thread (thread_data=0x19e3010, pool_data=<optimized out>) at /build/buildd/glib2.0-2.41.1/./gio/gtask.c:1214
        task = 0x19e3010
#9  0x00007f52a83ad8ec in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.41.1/./glib/gthreadpool.c:307
        task = 0x19e3010
        pool = 0x19e16d0
#10 0x00007f52a83acf65 in g_thread_proxy (data=0x19e3800) at /build/buildd/glib2.0-2.41.1/./glib/gthread.c:764
        thread = 0x19e3800
#11 0x00007f52a8650165 in start_thread (arg=0x7f52a4ff3700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7f52a4ff3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139992932235008, -6394241966803223297, 0, 0, 139992932235712, 139992932235008, 6477969779873053951, 6477942102156541183}, 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"
#12 0x00007f52a70764dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 1 (Thread 0x7f52a8a60880 (LWP 4027)):
#0  0x00007f52a6fb2117 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 4027
        selftid = 4027
#1  0x00007f52a6fb3808 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0, 0, 139992991487399, 5, 0, 139992965802336, 139992965324072, 0, 0, 4227184, 139992991516037, 74, 61, 74, 139992969234944, 140733582449504}}, sa_flags = 1768300655, sa_restorer = 0x6f6320656c75646f}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f52a7b7405f in printf (__fmt=0x7f52a7b742d8 "Ubuntu Platform API: %s -- Aborting\n") at /usr/include/x86_64-linux-gnu/bits/stdio2.h:104
No locals.
#3  internal::ToBackend::exit_module (msg=0xfbb <error: Cannot access memory at address 0xfbb>) at /build/buildd/platform-api-2.1.0+14.10.20140702/src/ubuntu/application/base_module.h:83
No locals.
#4  0x00007f52a7b69f29 in path () at /build/buildd/platform-api-2.1.0+14.10.20140702/src/ubuntu/application/base_module.h:51
        module_name = "\355\377\377\377", '\000' <repeats 12 times>, "\220\247\063\247R\177\000\000\377\377\377\377\000\000\000"
        cache = 0x0
        path = '\000' <repeats 49 times>, "\001\000\000\000\000\000\000\004\000\000\000\000\000\000"
#5  Bridge (this=0x7f52a7d795a8 <internal::Bridge<internal::ToBackend>::instance()::bridge>) at /build/buildd/platform-api-2.1.0+14.10.20140702/src/ubuntu/application/../../bridge/bridge.h:51
No locals.
#6  instance () at /build/buildd/platform-api-2.1.0+14.10.20140702/src/ubuntu/application/../../bridge/bridge.h:41
        bridge = {lib_handle = 0x100000090}
#7  ua_sensors_proximity_enable (_1=0x0) at /build/buildd/platform-api-2.1.0+14.10.20140702/src/ubuntu/application/ubuntu_application_api.cpp:144
        f = 0x0
#8  0x000000000040d5cd in powerd_sensors_init() ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)