.
Thread 4 (Thread 1761):
#0  0x00ae4416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x0095af56 in __poll (fds=0x8e4e648, nfds=5, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:89
        oldtype = 0
        result = 10448884
#2  0x007f977b in g_queue_free (queue=0x8e4e648) at /build/buildd/glib2.0-2.29.10/./glib/gqueue.c:57
        __PRETTY_FUNCTION__ = "g_queue_free"
#3  0x007eac86 in g_main_context_iterate (context=0x897ff4, block=8361808, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3124
        max_priority = <value optimized out>
        timeout = <value optimized out>
        some_ready = <value optimized out>
        nfds = <value optimized out>
        allocated_nfds = <value optimized out>
        fds = 0x0
#4  0x007eb38b in g_main_loop_run (loop=0x8e52e28) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3309
        got_ownership = <value optimized out>
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x001d1fda in _g_socket_read_with_control_messages_ready (socket=0x0, condition=0, user_data=0x0) at /build/buildd/glib2.0-2.29.10/./gio/gdbusprivate.c:167
        data = 0x0
        error = 0x0
        result = <value optimized out>
        vector = {buffer = 0x0, size = 0}
        __PRETTY_FUNCTION__ = "_g_socket_read_with_control_messages_ready"
#6  0x00000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 1760):
#0  0x00ae4416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00d07834 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:236
No locals.
#2  0x002a80a1 in g_cond_timed_wait_posix_impl (cond=0x8e4acf8, entered_mutex=0x8e3b9f0, abs_time=0xb68ff198) at /build/buildd/glib2.0-2.29.10/./gthread/gthread-posix.c:242
        result = <value optimized out>
        end_time = {tv_sec = 1310185301, tv_nsec = 481212000}
        timed_out = <value optimized out>
        __PRETTY_FUNCTION__ = "g_cond_timed_wait_posix_impl"
#3  0x007bcfd0 in g_async_queue_pop_intern_unlocked (queue=0x8e43c30, try=<value optimized out>, end_time=0xb68ff198) at /build/buildd/glib2.0-2.29.10/./glib/gasyncqueue.c:425
        retval = <value optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#4  0x00813eab in g_thread_pool_thread_proxy (data=0x8e3baa0) at /build/buildd/glib2.0-2.29.10/./glib/gthreadpool.c:357
        free_pool = 0
        task = 0xb68ff198
        pool = 0x8e3baa0
#5  0x00811a34 in g_thread_create_proxy (data=0xb69005e8) at /build/buildd/glib2.0-2.29.10/./glib/gthread.c:1951
        thread = 0xb69005e8
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00d02e99 in start_thread (arg=0xb68ffb70) at pthread_create.c:304
        pd = 0xb68ffb70
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {13713396, 0, 4001536, -1232080120, -1469634774, 400536646}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        pagesize_m1 = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x009696ee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:138
No locals.
.
Thread 2 (Thread 1762):
#0  0x00ae4416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00d0a0b9 in __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/lowlevellock.S:142
No locals.
#2  0x00d0554b in _L_lock_791 () from /lib/i386-linux-gnu/libpthread.so.0
No locals.
#3  0x00d05371 in __pthread_mutex_lock (mutex=0x8e28954) at pthread_mutex_lock.c:61
        __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
        type = <value optimized out>
        id = 1762
#4  0x00f57365 in xcb_poll_for_event (c=0x8e28948) at ../../src/xcb_in.c:548
        ret = 0x0
#5  0x00b3e9fa in poll_for_event (dpy=0x8e28000) at ../../src/xcb_io.c:210
        __PRETTY_FUNCTION__ = "poll_for_event"
#6  0x00b3f617 in _XReply (dpy=0x8e28000, rep=0xb58fc258, extra=2, discard=0) at ../../src/xcb_io.c:565
        event = <value optimized out>
        req = 0x8efb300
        response = 0x8f01a00
        error = 0x0
        c = 0x8e28948
        reply = <value optimized out>
        current = 0x8efb300
        __PRETTY_FUNCTION__ = "_XReply"
#7  0x00b94662 in _XkbHandleGetMapReply (dpy=0x8e28000, xkb=0x8effcc0) at ../../../src/xkb/XKBGetMap.c:516
        rep = {type = 0 '\000', deviceID = 0 '\000', sequenceNumber = 0, length = 2655540, pad1 = 39088, minKeyCode = 225 '\341', maxKeyCode = 8 '\b', present = 54488, firstType = 228 '\344', nTypes = 8 '\b', totalTypes = 4 '\004', firstKeySym = 0 '\000', totalSyms = 0, nKeySyms = 4 '\004', firstKeyAct = 0 '\000', totalActs = 0, nKeyActs = 24 '\030', firstKeyBehavior = 0 '\000', nKeyBehaviors = 0 '\000', totalKeyBehaviors = 0 '\000', firstKeyExplicit = 248 '\370', nKeyExplicit = 131 '\203', totalKeyExplicit = 159 '\237', firstModMapKey = 0 '\000', nModMapKeys = 255 '\377', totalModMapKeys = 6 '\006', firstVModMapKey = 157 '\235', nVModMapKeys = 0 '\000', totalVModMapKeys = 27 '\033', pad2 = 55 '7', virtualMods = 185}
#8  0x00b94736 in XkbGetUpdatedMap (dpy=0x8e28000, which=255, xkb=0x8effcc0) at ../../../src/xkb/XKBGetMap.c:538
        req = <value optimized out>
        status = <value optimized out>
#9  0x00b94830 in XkbGetMap (dpy=0x8e28000, which=255, deviceSpec=256) at ../../../src/xkb/XKBGetMap.c:557
        xkb = 0x8effcc0
#10 0x01171b74 in get_xkb_desc_rec (manager=<value optimized out>) at gsd-a11y-keyboard-manager.c:147
        desc = 0x8e359e8
        status = 0
#11 0x01171c99 in set_server_from_gsettings (manager=0x8e359e8) at gsd-a11y-keyboard-manager.c:244
        desc = 0x8e359e8
        enable_accessX = <value optimized out>
        settings = 0x8ed7ca0
#12 0x011722cf in start_a11y_keyboard_idle_cb (manager=0xb58fc4b0) at gsd-a11y-keyboard-manager.c:959
No locals.
#13 0x08ed8140 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 1 (Thread 1757):
#0  0x00ae4416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x008c3dd1 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <value optimized out>
        resultvar = <value optimized out>
        pid = 10448884
        selftid = 1757
#2  0x008c72ae in abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x9094d9 <__libc_realloc+233>, sa_sigaction = 0x9094d9 <__libc_realloc+233>}, sa_mask = {__val = {304, 192, 9452626, 3214166016, 304, 192, 182, 3062890512, 10448884, 182, 181, 3214165976, 9408882, 3063008816, 182, 3214166016, 3063010344, 0, 10448884, 4222451712, 3063008816, 3063008917, 3063008816, 3063008816, 3063008997, 3063009116, 3063008816, 3063009116, 0, 0, 0, 0}}, sa_flags = 0, sa_restorer = 0xb6919d50}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0x008bc7e8 in __assert_fail (assertion=0xbb7824 "req == dpy->xcb->pending_requests", file=0xbb772b "../../src/xcb_io.c", line=140, function=0xbb7a07 "dequeue_pending_request") at assert.c:81
        buf = 0xb691ce30 "gnome-settings-daemon: ../../src/xcb_io.c:140: dequeue_pending_request: \320\237\321\200\320\276\320\262\320\265\321\200\320\276\321\207\320\275\320\276\320\265 \321\203\321\202\320\262\320\265\321\200\320\266\320\264\320\265\320\275\320\270\320\265 \302\253req == dpy->xcb->pending_requests\302\273 \320\275\320\265 \320\262\321\213\320\277\320\276\320\273\320\275\320\265\320\275\320\276.\n"
#4  0x00b3e850 in dequeue_pending_request (dpy=<value optimized out>, req=<value optimized out>) at ../../src/xcb_io.c:140
No locals.
#5  0x00b3f64f in _XReply (dpy=0x8e28000, rep=0xbf9448c0, extra=0, discard=1) at ../../src/xcb_io.c:574
        req = 0x8e951b8
        response = 0x0
        error = 0x0
        c = 0x8e28948
        reply = <value optimized out>
        current = 0xb691c630
        __PRETTY_FUNCTION__ = "_XReply"
#6  0x00b3af06 in XSync (dpy=0x8e28000, discard=0) at ../../src/Sync.c:44
        rep = {type = 0 '\000', revertTo = 48 '0', sequenceNumber = 2275, length = 149949448, focus = 149781664, pad1 = 10723081, pad2 = 149106688, pad3 = 149103632, pad4 = 10576793, pad5 = 18317300}
        req = <value optimized out>
#7  0x01171e57 in set_server_from_gsettings (manager=<value optimized out>) at gsd-a11y-keyboard-manager.c:252
        desc = 0x8eff640
        enable_accessX = <value optimized out>
        settings = 0x8ed7ca0
#8  0x011722cf in start_a11y_keyboard_idle_cb (manager=0xbf944a70) at gsd-a11y-keyboard-manager.c:959
No locals.
#9  0x08ed8118 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)