.
Thread 3 (Thread 0xb6bd9b70 (LWP 1623)):
#0  0x00168416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x05a5a40e in __GI___poll (fds=0x829de28, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0x01a0293b in g_poll (fds=0x829de28, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.29.16/./glib/gpoll.c:132
No locals.
#3  0x019f3e56 in g_main_context_poll (n_fds=3, fds=0x829de28, timeout=<optimized out>, context=0x82a0100, priority=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3399
        poll_func = 0x1a02910 <g_poll>
#4  g_main_context_iterate (context=0x82a0100, block=27273488, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3081
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0x829de28
#5  0x019f455b in g_main_loop_run (loop=0x82a00f0) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3294
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x068e1b4a in gdbus_shared_thread_func (user_data=0x829ed98) at /build/buildd/glib2.0-2.29.16/./gio/gdbusprivate.c:276
        data = 0x829ed98
#7  0x01a1ae34 in g_thread_create_proxy (data=0x82a0190) at /build/buildd/glib2.0-2.29.16/./glib/gthread.c:1962
        thread = 0x82a0190
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x001b1d31 in start_thread (arg=0xb6bd9b70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xb6bd9b70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1847284, 0, 4001536, -1229090616, 1798873990, 639459563}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x05a690ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 2 (Thread 0xb73dab70 (LWP 1622)):
#0  0x00168416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x001b5e04 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  0x05a76d54 in __pthread_cond_timedwait (cond=0x829ddf0, mutex=0x81c8518, abstime=0xb73d9ed8) at forward.c:152
        __p = <optimized out>
#3  0x002f60a1 in g_cond_timed_wait_posix_impl (cond=0x829ddf0, entered_mutex=0x81c8518, abs_time=0xb73d9f58) at /build/buildd/glib2.0-2.29.16/./gthread/gthread-posix.c:242
        result = <optimized out>
        end_time = {tv_sec = 1314456837, tv_nsec = 441413000}
        timed_out = <optimized out>
        __PRETTY_FUNCTION__ = "g_cond_timed_wait_posix_impl"
#4  0x019c5430 in g_async_queue_pop_intern_unlocked (queue=0x82a4540, try=<optimized out>, end_time=0xb73d9f58) at /build/buildd/glib2.0-2.29.16/./glib/gasyncqueue.c:415
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#5  0x01a1d2ab in g_thread_pool_wait_for_new_task (pool=0x82a3ca8) at /build/buildd/glib2.0-2.29.16/./glib/gthreadpool.c:274
        end_time = {tv_sec = 1314456837, tv_usec = 441413}
        task = <optimized out>
#6  g_thread_pool_thread_proxy (data=0x82a3ca8) at /build/buildd/glib2.0-2.29.16/./glib/gthreadpool.c:308
        task = 0xb73d9f58
        pool = 0x82a3ca8
#7  0x01a1ae34 in g_thread_create_proxy (data=0x82a1bf8) at /build/buildd/glib2.0-2.29.16/./glib/gthread.c:1962
        thread = 0x82a1bf8
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x001b1d31 in start_thread (arg=0xb73dab70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xb73dab70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1847284, 0, 4001536, -1220697912, 1796776837, 639459563}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x05a690ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 1 (Thread 0xb7893a90 (LWP 1539)):
#0  0x00183937 in QConfSchema::findKey(char const*) const () from /tmp/tmpEn37Ty/usr/lib/libdconf-qt.so.0
No symbol table info available.
#1  0x00181e21 in QConf::notify(char const*) () from /tmp/tmpEn37Ty/usr/lib/libdconf-qt.so.0
No symbol table info available.
#2  0x00181f73 in ?? () from /tmp/tmpEn37Ty/usr/lib/libdconf-qt.so.0
No symbol table info available.
#3  0x020441a6 in add_match_done (pending=0x828ce70, user_data=0x81f3380) at dconf-dbus-1.c:569
        watch = 0x81f3380
        reply = <optimized out>
#4  0x0159c931 in ?? () from /tmp/tmpEn37Ty/lib/i386-linux-gnu/libdbus-1.so.3
No symbol table info available.
#5  0x01587857 in ?? () from /tmp/tmpEn37Ty/lib/i386-linux-gnu/libdbus-1.so.3
No symbol table info available.
#6  0x0158b147 in dbus_connection_dispatch () from /tmp/tmpEn37Ty/lib/i386-linux-gnu/libdbus-1.so.3
No symbol table info available.
#7  0x047a2fab in q_dbus_connection_dispatch (connection=<optimized out>) at qdbus_symbols_p.h:115
No locals.
#8  QDBusConnectionPrivate::doDispatch (this=0x8279708) at qdbusintegrator.cpp:1125
        locker = {<QDBusMutexLocker> = {<QDBusLockerBase> = {<No data fields>}, self = <optimized out>, mutex = 0x827973c, action = <optimized out>}, <No data fields>}
#9  0x047eb5d4 in QDBusConnectionPrivate::qt_metacall (this=0x8279708, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x827e538) at .moc/release-shared/moc_qdbusconnection_p.cpp:98
No locals.
#10 0x00f26bed in metacall (argv=0x827e538, idx=7, cl=QMetaObject::InvokeMetaMethod, object=0x8279708) at kernel/qmetaobject.cpp:237
No locals.
#11 QMetaObject::metacall (object=0x8279708, cl=QMetaObject::InvokeMetaMethod, idx=7, argv=0x827e538) at kernel/qmetaobject.cpp:232
No locals.
#12 0x00f31635 in QMetaCallEvent::placeMetaCall (this=0x827e558, object=0x8279708) at kernel/qobject.cpp:535
No locals.
#13 0x00f38b02 in QObject::event (this=0x8279708, e=0x827e558) at kernel/qobject.cpp:1217
        mce = 0x827e558
        currentSender = {sender = 0x0, signal = -1, ref = 1}
        previousSender = 0x0
#14 0x00451314 in notify_helper (e=0x827e558, receiver=0x8279708, this=0x82054e0) at kernel/qapplication.cpp:4467
        consumed = <optimized out>
#15 QApplicationPrivate::notify_helper (this=0x82054e0, receiver=0x8279708, e=0x827e558) at kernel/qapplication.cpp:4439
No locals.
#16 0x004566c3 in QApplication::notify (this=0x827e558, receiver=0x8279708, e=0x827e558) at kernel/qapplication.cpp:3867
        res = true
#17 0x00f2020e in QCoreApplication::notifyInternal (this=0xbfdf83dc, receiver=0x8279708, event=0x827e558) at kernel/qcoreapplication.cpp:731
        threadData = 0x8203ee0
        returnValue = <optimized out>
        result = false
        cbdata = {0x8279708, 0x827e558, 0xbfdf807f}
        d = <optimized out>
#18 0x00f24003 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
No locals.
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8203ee0) at kernel/qcoreapplication.cpp:1372
        e = 0x827e558
        r = 0x8279708
        locker = {val = 136331016}
        startOffset = 0
#20 0x00f2415c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1265
        data = <optimized out>
#21 0x00f4e6a4 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
No locals.
#22 postEventSourceDispatch (s=0x8205890) at kernel/qeventdispatcher_glib.cpp:277
        source = 0x8205890
#23 0x019f381f in g_main_dispatch (context=0x819ec10) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:2439
        dispatch = 0xf4e670 <postEventSourceDispatch(GSource*, GSourceFunc, gpointer)>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x8205890, next = 0x0}
        need_destroy = <optimized out>
        source = 0x8205890
        current = 0x825a298
        i = <optimized out>
#24 g_main_context_dispatch (context=0x819ec10) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3008
No locals.
#25 0x019f3f50 in g_main_context_iterate (context=0x819ec10, block=27273488, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3086
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x82aa2b8
#26 0x019f41ea in g_main_context_iteration (context=0x819ec10, may_block=1) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3149
        retval = <optimized out>
#27 0x00f4eada in QEventDispatcherGlib::processEvents (this=0x818aac0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
        d = 0x82057a0
        canWait = true
        savedFlags = {i = 0}
        result = <optimized out>
#28 0x00508dea in QGuiEventDispatcherGlib::processEvents (this=0x818aac0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
        d = 0x82057a0
        saved_flags = {i = 0}
        returnValue = 184
#29 0x00f1f24d in QEventLoop::processEvents (this=0xbfdf8364, flags=...) at kernel/qeventloop.cpp:149
        d = 0x82aa258
#30 0x00f1f491 in QEventLoop::exec (this=0xbfdf8364, flags=...) at kernel/qeventloop.cpp:201
        d = 0x82aa258
        app = 0xbfdf831c
#31 0x00f2420d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
        threadData = 0x8203ee0
        eventLoop = {<QObject> = {_vptr.QObject = 0x1057448, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0xfe25a0 "QObject", data = 0xfe2640, extradata = 0x10523a0}}, d_ptr = {d = 0x82aa258}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0xfeb180 "Qt", data = 0xfeea00, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x80521f0, stringdata = 0xff4900 "QEventLoop", data = 0xff4920, extradata = 0x0}}}
        returnCode = <optimized out>
#32 0x0044eeb4 in QApplication::exec () at kernel/qapplication.cpp:3741
No locals.
#33 0x0804b01b in main (argc=1, argv=0xbfdf84c4) at /build/buildd/unity-2d-4.2.0/panel/app/main.cpp:70
        handler = {<QAbstractFileEngineHandler> = {_vptr.QAbstractFileEngineHandler = 0x804fc48}, <No data fields>}
        app = {<QApplication> = {<QCoreApplication> = {<QObject> = {_vptr.QObject = 0x2bc1a8, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0xfe25a0 "QObject", data = 0xfe2640, extradata = 0x10523a0}}, d_ptr = {d = 0x82054e0}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0xfeb180 "Qt", data = 0xfeea00, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x80521f0, stringdata = 0xff49a0 "QCoreApplication", data = 0xff4a40, extradata = 0x0}}, static self = 0xbfdf83dc}, static staticMetaObject = {d = {superdata = 0x10574e0, stringdata = 0xb70e00 "QApplication", data = 0xb71040, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0xd946d0, stringdata = 0x28f5c0 "Unity2dApplication", data = 0x28f5e0, extradata = 0x0}}, m_x11EventFilters = {{p = {static shared_null = {ref = {_q_value = 1}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0x82a58a0}, d = 0x82a58a0}}, m_platformFontTracker = 0x826e0e0}
        client = {<QObject> = {_vptr.QObject = 0x2bbec8, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0xfe25a0 "QObject", data = 0xfe2640, extradata = 0x10523a0}}, d_ptr = {d = 0x81c5558}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0xfeb180 "Qt", data = 0xfeea00, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x80521f0, stringdata = 0x28eae0 "GnomeSessionClient", data = 0x28ed00, extradata = 0x0}}, d = 0x81c55b0}
        panels = {<QObject> = {_vptr.QObject = 0x80501c8, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0xfe25a0 "QObject", data = 0xfe2640, extradata = 0x10523a0}}, d_ptr = {d = 0x827dc88}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0xfeb180 "Qt", data = 0xfeea00, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x80521f0, stringdata = 0x8050100 "PanelManager", data = 0x8050140, extradata = 0x0}}, m_panels = {{p = {static shared_null = {ref = {_q_value = 1}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0x824f608}, d = 0x824f608}}}