Attachment 833866 Details for Bug 983110 – Gdb log of ksmserver when issuing shutdown command

Gdb log of ksmserver when issuing shutdown command

SeveralAutostartAppsFail.txt (text/plain), 72.93 KB, created by Elias Vanderstuyft on 2013-12-07 11:20:06 UTC

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Creator: Elias Vanderstuyft

Created: 2013-12-07 11:20:06 UTC

Size: 72.93 KB

patch

obsolete

>So one thing that would be interesting to debug:
>
>gdb --pid `pidof ksmserver`
>break KSMServer::logout(int,int,int)
>c
>
>and in another Konsole tab/window:
>
>qdbus org.kde.ksmserver /KSMServer logout 0 2 2
>
>(The parameters stand for ShutdownConfirmNo, ShutdownTypeHalt, ShutdownModeForceNow.)
>
>1. Does that trigger the breakpoint in GDB? If not, ksmserver is not listening to D-Bus, which would explain the bug (but of course then we'd need to figure out WHY it's not listening).
>2. If yes, try single-stepping it in GDB to see what happens. We really need to know where it fails to shut down.
>
>
>
>Attempt 1
>_________
>
>
>---------------------------------
>Output:
>---------------------------------
>
>...
>Loaded symbols for /lib64/libtiff.so.5
>Reading symbols from /lib64/libjbig.so.2.0...Reading symbols from /usr/lib/debug/usr/lib64/libjbig.so.2.0.debug...done.
>done.
>Loaded symbols for /lib64/libjbig.so.2.0
>0x0000003fb3aeb7fd in poll () at ../sysdeps/unix/syscall-template.S:81
>81      T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
>Traceback (most recent call last):
>  File "/usr/share/gdb/auto-load/usr/lib64/libgobject-2.0.so.0.3600.3-gdb.py", line 9, in <module>
>    from gobject import register
>  File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
>    import gdb.backtrace
>ImportError: No module named backtrace
>(gdb) break KSMServer::logout(int,int,int)
>Breakpoint 1 at 0x3f28627ee0: file /usr/src/debug/kde-workspace-4.11.3/ksmserver/shutdown.cpp, line 88.
>(gdb) c
>Continuing.
>
>Breakpoint 1, KSMServer::logout (this=0x2871620, confirm=0, sdtype=2, 
>    sdmode=2)
>    at /usr/src/debug/kde-workspace-4.11.3/ksmserver/shutdown.cpp:88
>88              sdtype = KWorkSpace::ShutdownTypeNone;
>(gdb) s
>92                  (KWorkSpace::ShutdownMode)sdmode );
>(gdb) s
>KSMServer::shutdown (this=0x2871620, 
>    confirm=KWorkSpace::ShutdownConfirmNo, 
>    sdtype=KWorkSpace::ShutdownTypeHalt, 
>    sdmode=KWorkSpace::ShutdownModeForceNow)
>    at /usr/src/debug/kde-workspace-4.11.3/ksmserver/shutdown.cpp:106
>106     {
>(gdb) s
>107         pendingShutdown.stop();
>(gdb) s
>106     {
>(gdb) 
>106     {
>(gdb) 
>107         pendingShutdown.stop();
>(gdb) s
>QTimer::stop (this=this@entry=0x2871710) at kernel/qtimer.cpp:265
>265         if (id != INV_TIMER) {
>(gdb) s
>264     {
>(gdb) s
>265         if (id != INV_TIMER) {
>(gdb) s
>269     }
>(gdb) s
>KSMServer::shutdown (this=0x2871620, 
>    confirm=KWorkSpace::ShutdownConfirmNo, 
>    sdtype=KWorkSpace::ShutdownTypeHalt, 
>    sdmode=KWorkSpace::ShutdownModeForceNow)
>    at /usr/src/debug/kde-workspace-4.11.3/ksmserver/shutdown.cpp:108
>108         if( dialogActive )
>(gdb) s
>110         if( state >= Shutdown ) // already performing shutdown
>(gdb) s
>112         if( state != Idle ) // performing startup
>(gdb) s
>115             if( !pendingShutdown.isActive())
>(gdb) s
>117                 pendingShutdown.start( 1000 );
>(gdb) s
>QTimer::start (this=this@entry=0x2871710, msec=msec@entry=1000)
>    at kernel/qtimer.cpp:233
>233         inter = msec;
>(gdb) s
>234         start();
>(gdb) s
>QTimer::start (this=this@entry=0x2871710) at kernel/qtimer.cpp:214
>214     {
>(gdb) s
>215         if (id != INV_TIMER)                        // stop running timer
>(gdb) s
>214     {
>(gdb) s
>215         if (id != INV_TIMER)                        // stop running timer
>(gdb) s
>217         nulltimer = (!inter && single);
>(gdb) s
>218         id = QObject::startTimer(inter);
>(gdb) s
>217         nulltimer = (!inter && single);
>(gdb) s
>218         id = QObject::startTimer(inter);
>(gdb) s
>QObject::startTimer (this=this@entry=0x2871710, interval=1000)
>    at kernel/qobject.cpp:1573
>1573    {
>(gdb) s
>1576        if (interval < 0) {
>(gdb) s
>1573    {
>(gdb) s
>1574        Q_D(QObject);
>(gdb) s
>d_func (this=this@entry=0x2871710) at kernel/qobject.cpp:1574
>1574        Q_D(QObject);
>(gdb) s
>qGetPtrHelper<QScopedPointer<QObjectData> > (p=...)
>    at kernel/qobject.cpp:1574
>1574        Q_D(QObject);
>(gdb) s
>data (this=0x2871718) at ../../src/corelib/tools/qscopedpointer.h:135
>135             return d;
>(gdb) s
>QObject::startTimer (this=this@entry=0x2871710, interval=1000)
>    at kernel/qobject.cpp:1576
>1576        if (interval < 0) {
>(gdb) s
>1581        d->pendTimer = true;                                // set timer flag
>(gdb) s
>1583        if (!d->threadData->eventDispatcher) {
>(gdb) s
>1588    }
>(gdb) s
>1587        return d->threadData->eventDispatcher->registerTimer(interval, this);
>(gdb) s
>QAbstractEventDispatcher::registerTimer (this=0x250e220, interval=1000, 
>    object=object@entry=0x2871710)
>    at kernel/qabstracteventdispatcher.cpp:379
>379     {
>(gdb) s
>380         int id = QAbstractEventDispatcherPrivate::allocateTimerId();
>(gdb) s
>QAbstractEventDispatcherPrivate::allocateTimerId ()
>    at kernel/qabstracteventdispatcher.cpp:176
>176     {
>(gdb) s
>180             timerId = nextFreeTimerId; //.loadAcquire(); // ### FIXME Proper memory ordering semantics
>(gdb) s
>operator int (this=0x3122cdfd60 <nextFreeTimerId>)
>    at ../../src/corelib/thread/qbasicatomic.h:85
>85              return _q_value;
>(gdb) s
>QAbstractEventDispatcherPrivate::allocateTimerId ()
>    at kernel/qabstracteventdispatcher.cpp:183
>183             int which = timerId & TimerIdMask;
>(gdb) s
>184             int bucket = bucketOffset(which);
>(gdb) s
>bucketOffset (timerId=2) at kernel/qabstracteventdispatcher.cpp:127
>127             if (timerId < BucketSize[i])
>(gdb) s
>QAbstractEventDispatcherPrivate::allocateTimerId ()
>    at kernel/qabstracteventdispatcher.cpp:185
>185             at = bucketIndex(bucket, which);
>(gdb) s
>bucketIndex (timerId=2, bucket=<optimized out>)
>    at kernel/qabstracteventdispatcher.cpp:137
>137         return timerId - BucketOffset[bucket];
>(gdb) s
>QAbstractEventDispatcherPrivate::allocateTimerId ()
>    at kernel/qabstracteventdispatcher.cpp:186
>186             b = timerIds[bucket];
>(gdb) s
>185             at = bucketIndex(bucket, which);
>(gdb) s
>bucketIndex (timerId=2, bucket=<optimized out>)
>    at kernel/qabstracteventdispatcher.cpp:137
>137         return timerId - BucketOffset[bucket];
>(gdb) s
>QAbstractEventDispatcherPrivate::allocateTimerId ()
>    at kernel/qabstracteventdispatcher.cpp:186
>186             b = timerIds[bucket];
>(gdb) s
>operator int* (this=<optimized out>)
>    at ../../src/corelib/thread/qbasicatomic.h:169
>169             return _q_value;
>(gdb) s
>QAbstractEventDispatcherPrivate::allocateTimerId ()
>    at kernel/qabstracteventdispatcher.cpp:185
>185             at = bucketIndex(bucket, which);
>(gdb) s
>bucketIndex (timerId=2, bucket=<optimized out>)
>    at kernel/qabstracteventdispatcher.cpp:137
>137         return timerId - BucketOffset[bucket];
>(gdb) s
>QAbstractEventDispatcherPrivate::allocateTimerId ()
>    at kernel/qabstracteventdispatcher.cpp:188
>188             if (!b) {
>(gdb) s
>198             newTimerId = prepareNewValueWithSerialNumber(timerId, b[at]);
>(gdb) s
>prepareNewValueWithSerialNumber (newId=<optimized out>, 
>    oldId=<optimized out>) at kernel/qabstracteventdispatcher.cpp:112
>112         return (newId & TimerIdMask) | ((oldId + TimerSerialCounter) & TimerSerialMask);
>(gdb) s
>QAbstractEventDispatcherPrivate::allocateTimerId ()
>    at kernel/qabstracteventdispatcher.cpp:198
>198             newTimerId = prepareNewValueWithSerialNumber(timerId, b[at]);
>(gdb) s
>prepareNewValueWithSerialNumber (newId=1, oldId=1610612738)
>    at kernel/qabstracteventdispatcher.cpp:112
>112         return (newId & TimerIdMask) | ((oldId + TimerSerialCounter) & TimerSerialMask);
>(gdb) s
>QAbstractEventDispatcherPrivate::allocateTimerId ()
>    at kernel/qabstracteventdispatcher.cpp:199
>199         } while (!nextFreeTimerId.testAndSetRelaxed(timerId, newTimerId));
>(gdb) s
>testAndSetRelaxed (newValue=1627389953, expectedValue=1610612738, 
>    this=0x3122cdfd60 <nextFreeTimerId>)
>    at kernel/qabstracteventdispatcher.cpp:199
>199         } while (!nextFreeTimerId.testAndSetRelaxed(timerId, newTimerId));
>(gdb) s
>testAndSetOrdered (newValue=1627389953, expectedValue=1610612738, 
>    this=0x3122cdfd60 <nextFreeTimerId>)
>    at ../../src/corelib/arch/qatomic_x86_64.h:145
>145                      : "memory");
>(gdb) s
>QAbstractEventDispatcherPrivate::allocateTimerId ()
>    at kernel/qabstracteventdispatcher.cpp:179
>179         do {
>(gdb) s
>201         b[at] = -timerId;
>(gdb) s
>204     }
>(gdb) s
>QAbstractEventDispatcher::registerTimer (this=0x250e220, interval=1000, 
>    object=object@entry=0x2871710)
>    at kernel/qabstracteventdispatcher.cpp:381
>381         registerTimer(id, interval, object);
>(gdb) s
>QEventDispatcherGlib::registerTimer (this=0x250e220, timerId=1610612738, 
>    interval=1000, object=0x2871710)
>    at kernel/qeventdispatcher_glib.cpp:526
>526         d->timerSource->timerList.registerTimer(timerId, interval, object);
>(gdb) s
>QTimerInfoList::registerTimer (this=0x2553870, timerId=1610612738, 
>    interval=1000, object=0x2871710)
>    at kernel/qeventdispatcher_unix.cpp:488
>488     {
>(gdb) s
>489         QTimerInfo *t = new QTimerInfo;
>(gdb) s
>488     {
>(gdb) s
>489         QTimerInfo *t = new QTimerInfo;
>(gdb) s
>operator new (sz=sz@entry=56)
>    at ../../../../libstdc++-v3/libsupc++/new_op.cc:45
>45  {
>(gdb) s
>50          sz = 1;
>(gdb) s
>45      {
>(gdb) s
>50          sz = 1;
>(gdb) s
>51        p = (void *) malloc (sz);
>(gdb) s
>__GI___libc_malloc (bytes=39139440) at malloc.c:2849
>2849    {
>(gdb) s
>2854        = force_reg (__malloc_hook);
>(gdb) s
>2855      if (__builtin_expect (hook != NULL, 0))
>(gdb) s
>2858      arena_lookup(ar_ptr);
>(gdb) s
>2860      arena_lock(ar_ptr, bytes);
>(gdb) s
>2863      victim = _int_malloc(ar_ptr, bytes);
>(gdb) s
>_int_malloc (av=0x3fb3dba780 <main_arena>, bytes=56) at malloc.c:3266
>3266    {
>(gdb) s
>3296      checked_request2size(bytes, nb);
>(gdb) s
>3266    {
>(gdb) s
>3296      checked_request2size(bytes, nb);
>(gdb) s
>3304      if ((unsigned long)(nb) <= (unsigned long)(get_max_fast ())) {
>(gdb) s
>3305        idx = fastbin_index(nb);
>(gdb) s
>3306        mfastbinptr* fb = &fastbin (av, idx);
>(gdb) s
>3307        mchunkptr pp = *fb;
>(gdb) s
>3306        mfastbinptr* fb = &fastbin (av, idx);
>(gdb) s
>3311            if (victim == NULL)
>(gdb) s
>3314        while ((pp = catomic_compare_and_exchange_val_acq (fb, victim->fd, victim))
>(gdb) s
>3315               != victim);
>(gdb) s
>3314        while ((pp = catomic_compare_and_exchange_val_acq (fb, victim->fd, victim))
>(gdb) s
>3315               != victim);
>(gdb) s
>3317          if (__builtin_expect (fastbin_index (chunksize (victim)) != idx, 0))
>(gdb) s
>3694            if (__builtin_expect (perturb_byte, 0))
>(gdb) s
>3693            void *p = chunk2mem(victim);
>(gdb) s
>3694            if (__builtin_expect (perturb_byte, 0))
>(gdb) s
>3755    }
>(gdb) s
>__GI___libc_malloc (bytes=56) at malloc.c:2864
>2864      if(!victim) {
>(gdb) s
>2863      victim = _int_malloc(ar_ptr, bytes);
>(gdb) s
>2864      if(!victim) {
>(gdb) s
>2871        (void)mutex_unlock(&ar_ptr->mutex);
>(gdb) s
>2875    }
>(gdb) s
>operator new (sz=sz@entry=56)
>    at ../../../../libstdc++-v3/libsupc++/new_op.cc:52
>52        while (p == 0)
>(gdb) s
>62      }
>(gdb) s
>QTimerInfoList::registerTimer (this=0x2553870, timerId=1610612738, 
>    interval=1000, object=0x2871710)
>    at kernel/qeventdispatcher_unix.cpp:491
>491         t->interval.tv_sec  = interval / 1000;
>(gdb) s
>489         QTimerInfo *t = new QTimerInfo;
>(gdb) s
>490         t->id = timerId;
>(gdb) s
>491         t->interval.tv_sec  = interval / 1000;
>(gdb) s
>492         t->interval.tv_usec = (interval % 1000) * 1000;
>(gdb) s
>491         t->interval.tv_sec  = interval / 1000;
>(gdb) s
>492         t->interval.tv_usec = (interval % 1000) * 1000;
>(gdb) s
>493         t->timeout = updateCurrentTime() + t->interval;
>(gdb) s
>updateCurrentTime (this=0x2553870) at kernel/qeventdispatcher_unix.cpp:354
>354         return (currentTime = qt_gettime());
>(gdb) s
>qt_gettime () at tools/qelapsedtimer_unix.cpp:142
>142     {
>(gdb) s
>144         do_gettime(&sec, &frac);
>(gdb) s
>do_gettime (frac=0x7fff073bb3c0, sec=0x7fff073bb3b8)
>    at tools/qelapsedtimer_unix.cpp:144
>144         do_gettime(&sec, &frac);
>(gdb) s
>unixCheckClockType () at tools/qelapsedtimer_unix.cpp:80
>80          if (is_likely(load_acquire(monotonicClockChecked)))
>(gdb) s
>do_gettime (frac=0x7fff073bb3c0, sec=0x7fff073bb3b8)
>    at tools/qelapsedtimer_unix.cpp:125
>125         if (is_likely(monotonicClockAvailable)) {
>(gdb) s
>127             clock_gettime(CLOCK_MONOTONIC, &ts);
>(gdb) s
>125         if (is_likely(monotonicClockAvailable)) {
>(gdb) s
>127             clock_gettime(CLOCK_MONOTONIC, &ts);
>(gdb) s
>clock_gettime (clock_id=1, tp=0x7fff073bb3c0)
>    at ../sysdeps/unix/clock_gettime.c:93
>93      {
>(gdb) s
>115           SYSDEP_GETTIME_CPU (clock_id, tp);
>(gdb) s
>^[[A
>134     }
>(gdb) s
>^[[Ado_gettime (frac=0x7fff073bb3c0, sec=0x7fff073bb3b8)
>    at tools/qelapsedtimer_unix.cpp:129
>129             *frac = ts.tv_nsec;
>(gdb) s
>qt_gettime () at tools/qelapsedtimer_unix.cpp:149
>149         if (monotonicClockAvailable)
>(gdb) s
>150             tv.tv_usec /= 1000;
>(gdb) s
>153     }
>(gdb) s
>QTimerInfoList::registerTimer (this=0x2553870, timerId=1610612738, 
>    interval=<optimized out>, object=0x2871710)
>    at kernel/qeventdispatcher_unix.cpp:493
>493         t->timeout = updateCurrentTime() + t->interval;
>(gdb) s
>operator+ (t2=..., t1=...) at ../../src/corelib/kernel/qcore_unix_p.h:130
>130         tmp.tv_usec = t1.tv_usec + t2.tv_usec;
>(gdb) s
>129         tmp.tv_sec = t1.tv_sec + t2.tv_sec;
>(gdb) s
>131         return normalizedTimeval(tmp);
>(gdb) s
>normalizedTimeval (t=<synthetic pointer>)
>    at ../../src/corelib/kernel/qcore_unix_p.h:106
>106         while (t.tv_usec > 1000000l) {
>(gdb) s
>110         while (t.tv_usec < 0l) {
>(gdb) s
>QTimerInfoList::registerTimer (this=0x2553870, timerId=1610612738, 
>    interval=<optimized out>, object=0x2871710)
>    at kernel/qeventdispatcher_unix.cpp:493
>493         t->timeout = updateCurrentTime() + t->interval;
>(gdb) s
>497         timerInsert(t);
>(gdb) s
>494         t->obj = object;
>(gdb) s
>495         t->activateRef = 0;
>(gdb) s
>497         timerInsert(t);
>(gdb) s
>498     }
>(gdb) s
>497         timerInsert(t);
>(gdb) s
>QTimerInfoList::timerInsert (this=0x2553870, ti=0x28cbcb0)
>    at kernel/qeventdispatcher_unix.cpp:432
>432     {
>(gdb) s
>433         int index = size();
>(gdb) s
>size (this=0x2553870) at kernel/qeventdispatcher_unix.cpp:433
>433         int index = size();
>(gdb) s
>size (this=0x2553870) at ../../src/corelib/tools/qlist.h:98
>98          inline int size() const { return d->end - d->begin; }
>(gdb) s
>QTimerInfoList::timerInsert (this=0x2553870, ti=0x28cbcb0)
>    at kernel/qeventdispatcher_unix.cpp:432
>432     {
>(gdb) s
>433         int index = size();
>(gdb) s
>size (this=0x2553870) at kernel/qeventdispatcher_unix.cpp:433
>433         int index = size();
>(gdb) s
>size (this=0x2553870) at ../../src/corelib/tools/qlist.h:98
>98          inline int size() const { return d->end - d->begin; }
>(gdb) s
>QTimerInfoList::timerInsert (this=0x2553870, ti=0x28cbcb0)
>    at kernel/qeventdispatcher_unix.cpp:435
>435             register const QTimerInfo * const t = at(index);
>(gdb) s
>at (i=<optimized out>, this=<optimized out>)
>    at kernel/qeventdispatcher_unix.cpp:435
>435             register const QTimerInfo * const t = at(index);
>(gdb) s
>at (i=<optimized out>, this=<optimized out>)
>    at ../../src/corelib/tools/qlist.h:100
>100         inline void **at(int i) const { return d->array + d->begin + i; }
>(gdb) s
>QTimerInfoList::timerInsert (this=0x2553870, ti=0x28cbcb0)
>    at kernel/qeventdispatcher_unix.cpp:434
>434         while (index--) {
>(gdb) s
>439         insert(index+1, ti);
>(gdb) s
>insert (t=@0x7fff073bb3f8: 0x28cbcb0, i=0, this=0x2553870)
>    at kernel/qeventdispatcher_unix.cpp:439
>439         insert(index+1, ti);
>(gdb) s
>operator!= (value=1, this=0x2726dd0)
>    at ../../src/corelib/thread/qbasicatomic.h:75
>75              return _q_value != value;
>(gdb) s
>insert (t=@0x7fff073bb3f8: 0x28cbcb0, i=0, this=0x2553870)
>    at ../../src/corelib/tools/qlist.h:577
>577         if (d->ref != 1) {
>(gdb) s
>QTimerInfoList::timerInsert (this=0x2553870, ti=0x28cbcb0)
>    at kernel/qeventdispatcher_unix.cpp:439
>439         insert(index+1, ti);
>(gdb) s
>insert (t=@0x7fff073bb3f8: 0x28cbcb0, i=0, this=0x2553870)
>    at kernel/qeventdispatcher_unix.cpp:439
>439         insert(index+1, ti);
>
>(gdb) s
>node_construct (this=<optimized out>, t=@0x7fff073bb3f8: 0x28cbcb0, 
>    n=<synthetic pointer>) at kernel/qeventdispatcher_unix.cpp:439
>439         insert(index+1, ti);
>(gdb) s
>memcpy (__len=8, __src=0x7fff073bb3f8, __dest=<synthetic pointer>)
>    at /usr/include/bits/string3.h:51
>warning: Source file is more recent than executable.
>51        return __builtin___memcpy_chk (__dest, __src, __len, __bos0 (__dest));
>
>(gdb) s
>insert (t=@0x7fff073bb3f8: 0x28cbcb0, i=0, this=0x2553870)
>    at ../../src/corelib/tools/qlist.h:598
>598                     n = reinterpret_cast<Node *>(p.insert(i));;
>(gdb) s
>QListData::insert (this=0x2553870, i=0) at tools/qlist.cpp:299
>299     {
>(gdb) s
>301         if (i <= 0)
>(gdb) s
>302             return prepend();
>(gdb) s
>QListData::prepend (this=0x2553870) at tools/qlist.cpp:281
>281     {
>(gdb) s
>283         if (d->begin == 0) {
>(gdb) s
>295         return d->array + --d->begin;
>(gdb) s
>296     }
>(gdb) s
>295         return d->array + --d->begin;
>(gdb) s
>296     }
>(gdb) s
>295         return d->array + --d->begin;
>(gdb) s
>296     }
>(gdb) s
>QListData::insert (this=0x2553870, i=<optimized out>)
>    at tools/qlist.cpp:335
>335     }
>(gdb) s
>insert (t=@0x7fff073bb3f8: 0x28cbcb0, i=<optimized out>, 
>    this=<optimized out>) at ../../src/corelib/tools/qlist.h:603
>603                 *n = copy;
>(gdb) s
>QTimerInfoList::timerInsert (this=<optimized out>, ti=0x28cbcb0)
>    at kernel/qeventdispatcher_unix.cpp:440
>440     }
>(gdb) s
>QAbstractEventDispatcher::registerTimer (this=0x250e220, interval=1000, 
>    object=object@entry=0x2871710)
>    at kernel/qabstracteventdispatcher.cpp:383
>383     }
>(gdb) s
>QTimer::start (this=this@entry=0x2871710) at kernel/qtimer.cpp:219
>219     }
>(gdb) s
>KSMServer::shutdown (this=0x2871620, 
>    confirm=KWorkSpace::ShutdownConfirmNo, 
>    sdtype=KWorkSpace::ShutdownTypeHalt, 
>    sdmode=KWorkSpace::ShutdownModeForceNow)
>    at /usr/src/debug/kde-workspace-4.11.3/ksmserver/shutdown.cpp:119
>119                 pendingShutdown_sdtype = sdtype;
>(gdb) s
>118                 pendingShutdown_confirm = confirm;
>(gdb) s
>120                 pendingShutdown_sdmode = sdmode;
>(gdb) s
>119                 pendingShutdown_sdtype = sdtype;
>(gdb) s
>230     }
>(gdb) s
>KSMServerInterfaceAdaptor::qt_static_metacall (_o=0x2553870, 
>    _o@entry=0x2887660, _id=0, _id@entry=5, _a=0x0, 
>    _a@entry=0x7fff073bb700, _c=<optimized out>)
>    at /usr/src/debug/kde-workspace-4.11.3/x86_64-redhat-linux-gnu/ksmserver/ksmserverinterfaceadaptor.moc:117
>117     }
>(gdb) s
>
>KSMServerInterfaceAdaptor::qt_metacall (this=0x2887660, 
>    _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, 
>    _a=0x7fff073bb700)
>    at /usr/src/debug/kde-workspace-4.11.3/x86_64-redhat-linux-gnu/ksmserver/ksmserverinterfaceadaptor.moc:153
>153             _id -= 14;
>(gdb) s
>156     }
>(gdb) s
>QDBusConnectionPrivate::deliverCall (this=this@entry=0x281d000, 
>    object=object@entry=0x2887660, msg=..., metaTypes=..., slotIdx=9)
>    at qdbusintegrator.cpp:952
>952             QDBusConnectionPrivate::setSender(0);
>(gdb) s
>951                                        slotIdx, params.data()) >= 0;
>(gdb) s
>952             QDBusConnectionPrivate::setSender(0);
>(gdb) s
>QDBusConnectionPrivate::setSender (s=s@entry=0x0)
>    at qdbusconnection.cpp:1160
>1160    {
>(gdb) s
>1161        _q_manager()->setSender(s);
>(gdb) s
>_q_manager () at qdbusconnection.cpp:63
>63      Q_GLOBAL_STATIC(QDBusConnectionManager, _q_manager)
>(gdb) s
>operator! (this=<optimized out>) at qdbusconnection.cpp:63
>63      Q_GLOBAL_STATIC(QDBusConnectionManager, _q_manager)
>(gdb) s
>operator== (value=<optimized out>, this=<optimized out>)
>    at ../../src/corelib/thread/qbasicatomic.h:154
>154             return _q_value == value;
>(gdb) s
>_q_manager () at qdbusconnection.cpp:63
>63      Q_GLOBAL_STATIC(QDBusConnectionManager, _q_manager)
>(gdb) s
>operator QDBusConnectionManager* (this=<optimized out>)
>    at ../../src/corelib/thread/qbasicatomic.h:169
>169             return _q_value;
>(gdb) s
>_q_manager () at qdbusconnection.cpp:63
>63      Q_GLOBAL_STATIC(QDBusConnectionManager, _q_manager)
>(gdb) s
>QDBusConnectionPrivate::setSender (s=s@entry=0x0)
>    at qdbusconnection.cpp:1162
>1162    }
>(gdb) s
>1161        _q_manager()->setSender(s);
>(gdb) s
>QDBusConnectionManager::setSender (this=0x286d580, s=s@entry=0x0)
>    at qdbusconnection.cpp:72
>72      {
>(gdb) s
>73          QMutexLocker locker(&senderMutex);
>(gdb) s
>QMutexLocker (m=0x286d590, this=<synthetic pointer>)
>    at ../../src/corelib/thread/qmutex.h:108
>108             if (m) {
>(gdb) s
>QDBusConnectionManager::setSender (this=0x286d580, s=s@entry=0x0)
>    at qdbusconnection.cpp:72
>72      {
>(gdb) s
>73          QMutexLocker locker(&senderMutex);
>(gdb) s
>QMutexLocker (m=0x286d590, this=<synthetic pointer>)
>    at ../../src/corelib/thread/qmutex.h:108
>108             if (m) {
>(gdb) s
>109                 m->lockInline();
>(gdb) s
>lockInline (this=0x286d590) at ../../src/corelib/thread/qmutex.h:187
>187         if (d->recursive) {
>(gdb) s
>189         } else if(!tryLockInline()) {
>(gdb) s
>tryLockInline (this=0x286d590) at ../../src/corelib/thread/qmutex.h:189
>189         } else if(!tryLockInline()) {
>(gdb) s
>testAndSetAcquire (newValue=1, expectedValue=0, this=0x286d5e0)
>    at ../../src/corelib/thread/qmutex.h:189
>189         } else if(!tryLockInline()) {
>(gdb) s
>testAndSetOrdered (newValue=1, expectedValue=0, this=0x286d5e0)
>    at ../../src/corelib/arch/qatomic_x86_64.h:145
>145                      : "memory");
>(gdb) s
>lockInline (this=0x286d590) at ../../src/corelib/thread/qmutex.h:189
>189         } else if(!tryLockInline()) {
>(gdb) s
>QMutexLocker (m=0x286d590, this=<synthetic pointer>)
>    at ../../src/corelib/thread/qmutex.h:110
>110                 val = reinterpret_cast<quintptr>(m) | quintptr(1u);
>(gdb) s
>QDBusConnectionManager::setSender (this=0x286d580, s=s@entry=0x0)
>    at qdbusconnection.cpp:74
>74          senderName = (s ? s->name : QString());
>(gdb) s
>QString (this=0x7fff073bb550) at ../../src/corelib/tools/qstring.h:879
>879     inline QString::QString() : d(&shared_null) { d->ref.ref(); }
>(gdb) s
>ref (this=<optimized out>) at ../../src/corelib/arch/qatomic_x86_64.h:121
>121                      : "memory");
>(gdb) s
>QDBusConnectionManager::setSender (this=0x286d580, s=s@entry=0x0)
>    at qdbusconnection.cpp:74
>74          senderName = (s ? s->name : QString());
>(gdb) s
>QString::operator= (this=this@entry=0x286d598, other=...)
>    at tools/qstring.cpp:1409
>1409    {
>(gdb) s
>1410        other.d->ref.ref();
>(gdb) s
>ref (this=0x3122cdf900 <QString::shared_null>)
>    at ../../src/corelib/arch/qatomic_x86_64.h:121
>121                      : "memory");
>(gdb) s
>QString::operator= (this=this@entry=0x286d598, other=...)
>    at tools/qstring.cpp:1411
>1411        if (!d->ref.deref())
>(gdb) s
>deref (this=0x2874660) at ../../src/corelib/arch/qatomic_x86_64.h:133
>133                      : "memory");
>(gdb) s
>QString::operator= (this=this@entry=0x286d598, other=...)
>    at tools/qstring.cpp:1411
>1411        if (!d->ref.deref())
>(gdb) s
>1413        d = other.d;
>(gdb) s
>1415    }
>(gdb) s
>QDBusConnectionManager::setSender (this=0x286d580, s=s@entry=0x0)
>    at qdbusconnection.cpp:74
>74          senderName = (s ? s->name : QString());
>(gdb) s
>~QString (this=0x7fff073bb550, __in_chrg=<optimized out>)
>    at ../../src/corelib/tools/qstring.h:880
>880     inline QString::~QString() { if (!d->ref.deref()) free(d); }
>(gdb) s
>deref (this=0x3122cdf900 <QString::shared_null>)
>    at ../../src/corelib/arch/qatomic_x86_64.h:133
>133                      : "memory");
>(gdb) s
>~QString (this=0x7fff073bb550, __in_chrg=<optimized out>)
>    at ../../src/corelib/tools/qstring.h:880
>880     inline QString::~QString() { if (!d->ref.deref()) free(d); }
>(gdb) s
>QDBusConnectionManager::setSender (this=0x286d580, s=s@entry=0x0)
>    at qdbusconnection.cpp:74
>74          senderName = (s ? s->name : QString());
>(gdb) s
>~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>)
>    at qdbusconnection.cpp:74
>74          senderName = (s ? s->name : QString());
>(gdb) s
>unlock (this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:119
>119             if ((val & quintptr(1u)) == quintptr(1u)) {
>(gdb) s
>QDBusConnectionManager::setSender (this=0x286d580, s=s@entry=0x0)
>    at qdbusconnection.cpp:74
>74          senderName = (s ? s->name : QString());
>(gdb) s
>~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>)
>    at qdbusconnection.cpp:74
>74          senderName = (s ? s->name : QString());
>(gdb) s
>unlock (this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:120
>120                 val &= ~quintptr(1u);
>(gdb) s
>121                 mutex()->unlockInline();
>(gdb) s
>unlockInline (this=0x286d590) at ../../src/corelib/thread/qmutex.h:169
>169         if (d->recursive) {
>(gdb) s
>171         } else if (!d->contenders.testAndSetRelease(1, 0)) {
>(gdb) s
>testAndSetRelease (newValue=0, expectedValue=1, this=0x286d5e0)
>    at ../../src/corelib/thread/qmutex.h:171
>171         } else if (!d->contenders.testAndSetRelease(1, 0)) {
>(gdb) s
>testAndSetOrdered (newValue=0, expectedValue=1, this=0x286d5e0)
>    at ../../src/corelib/arch/qatomic_x86_64.h:145
>145                      : "memory");
>(gdb) s
>unlockInline (this=0x286d590) at ../../src/corelib/thread/qmutex.h:171
>171         } else if (!d->contenders.testAndSetRelease(1, 0)) {
>(gdb) s
>QDBusConnectionManager::setSender (this=0x286d580, s=s@entry=0x0)
>    at qdbusconnection.cpp:75
>75      }
>(gdb) s
>QDBusConnectionPrivate::deliverCall (this=this@entry=0x281d000, 
>    object=object@entry=0x2887660, msg=..., metaTypes=..., slotIdx=9)
>    at qdbusintegrator.cpp:954
>954             if (!ptr.isNull())
>(gdb) s
>955                 QDBusContextPrivate::set(object, old);
>(gdb) s
>QDBusContextPrivate::set (obj=obj@entry=0x2887660, 
>    newContext=newContext@entry=0x0) at qdbuscontext.cpp:54
>54      {
>(gdb) s
>56          if (qobject_cast<QDBusAbstractAdaptor *>(obj))
>(gdb) s
>qobject_cast<QDBusAbstractAdaptor*> (object=0x2887660, 
>    object@entry=0x3fb5e5edcd <operator new(unsigned long)+29>)
>    at ../../src/corelib/kernel/qobject.h:380
>380         return static_cast<T>(reinterpret_cast<T>(object)->staticMetaObject.cast(object));
>(gdb) s
>QDBusContextPrivate::set (obj=obj@entry=0x2887660, 
>    newContext=newContext@entry=0x0) at qdbuscontext.cpp:54
>54      {
>(gdb) s
>56          if (qobject_cast<QDBusAbstractAdaptor *>(obj))
>(gdb) s
>qobject_cast<QDBusAbstractAdaptor*> (object=0x2887660, 
>    object@entry=0x3fb5e5edcd <operator new(unsigned long)+29>)
>    at ../../src/corelib/kernel/qobject.h:380
>380         return static_cast<T>(reinterpret_cast<T>(object)->staticMetaObject.cast(object));
>
>
>
>-------------------------------------------------
>Now I figured out I could simply use ENTER
>-------------------------------------------------
>
>
>
>(gdb) 
>QMetaObject::cast (
>    this=0x31246799e0 <QDBusAbstractAdaptor::staticMetaObject>, 
>    obj=obj@entry=0x2887660) at kernel/qmetaobject.cpp:272
>272     {
>(gdb) 
>273         if (obj) {
>(gdb) 
>274             const QMetaObject *m = obj->metaObject();
>(gdb) 
>KSMServerInterfaceAdaptor::metaObject (this=0x2887660)
>    at /usr/src/debug/kde-workspace-4.11.3/x86_64-redhat-linux-gnu/ksmserver/ksmserverinterfaceadaptor.moc:134
>134         return QObject::d_ptr->metaObject ? QObject::d_ptr->metaObject : &staticMetaObject;
>(gdb) 
>135     }
>(gdb) 
>QMetaObject::cast (
>    this=0x31246799e0 <QDBusAbstractAdaptor::staticMetaObject>, 
>    obj=obj@entry=0x2887660) at kernel/qmetaobject.cpp:276
>276                 if (m == this)
>(gdb) 
>275             do {
>(gdb) 
>276                 if (m == this)
>(gdb) 
>281     }
>(gdb) 
>276                 if (m == this)
>(gdb) 
>281     }
>(gdb) 
>QDBusContextPrivate::set (obj=obj@entry=0x2887660, 
>    newContext=newContext@entry=0x0) at qdbuscontext.cpp:56
>56          if (qobject_cast<QDBusAbstractAdaptor *>(obj))
>(gdb) 
>57              obj = obj->parent();
>(gdb) 
>parent (this=0x2887660) at qdbuscontext.cpp:57
>57              obj = obj->parent();
>(gdb) 
>operator-> (this=0x2887668)
>    at ../../src/corelib/tools/qscopedpointer.h:113
>113             return d;
>(gdb) 
>parent (this=0x2887660) at ../../src/corelib/kernel/qobject.h:273
>273         inline QObject *parent() const { return d_ptr->parent; }
>(gdb) 
>QDBusContextPrivate::set (obj=0x2871620, obj@entry=0x2887660, 
>    newContext=newContext@entry=0x0) at qdbuscontext.cpp:61
>61          void *ptr = obj->qt_metacast("QDBusContext");
>(gdb) 
>KSMServer::qt_metacast (this=0x2871620, 
>    _clname=0x3124461b27 "QDBusContext")
>    at /usr/src/debug/kde-workspace-4.11.3/x86_64-redhat-linux-gnu/ksmserver/server.moc:178
>178         if (!_clname) return 0;
>(gdb) 
>177     {
>(gdb) 
>178         if (!_clname) return 0;
>(gdb) 
>179         if (!strcmp(_clname, qt_meta_stringdata_KSMServer))
>(gdb) 
>180             return static_cast<void*>(const_cast< KSMServer*>(this));
>(gdb) 
>179         if (!strcmp(_clname, qt_meta_stringdata_KSMServer))
>(gdb) 
>181         return QObject::qt_metacast(_clname);
>(gdb) 
>QObject::qt_metacast (this=0x2871620, _clname=0x3124461b27 "QDBusContext")
>    at .moc/release-shared/moc_qobject.cpp:99
>99          if (!_clname) return 0;
>(gdb) 
>98      {
>(gdb) 
>99          if (!_clname) return 0;
>(gdb) 
>100         if (!strcmp(_clname, qt_meta_stringdata_QObject))
>(gdb) 
>99          if (!_clname) return 0;
>(gdb) 
>QDBusContextPrivate::set (obj=0x2871620, obj@entry=0x2887660, 
>    newContext=newContext@entry=0x0) at qdbuscontext.cpp:63
>63          if (q_ptr) {
>(gdb) 
>69          return 0;
>(gdb) 
>70      }
>(gdb) 
>QDBusConnectionPrivate::deliverCall (this=this@entry=0x281d000, 
>
>    object=object@entry=0x2887660, msg=..., metaTypes=..., slotIdx=9)
>    at qdbusintegrator.cpp:949
>949             QPointer<QObject> ptr = object;
>(gdb) 
>~QPointer (this=0x7fff073bb6d0, __in_chrg=<optimized out>)
>    at ../../src/corelib/kernel/qpointer.h:64
>64              { QMetaObject::removeGuard(&o); }
>(gdb) 
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:407
>407     {
>(gdb) 
>408         if (!*ptr)
>(gdb) 
>410         GuardHash *hash = guardHash();
>(gdb) 
>guardHash () at kernel/qobject.cpp:385
>385     Q_GLOBAL_STATIC(GuardHash, guardHash)
>(gdb) 
>operator! (this=<optimized out>) at kernel/qobject.cpp:385
>385     Q_GLOBAL_STATIC(GuardHash, guardHash)
>(gdb) 
>operator== (value=<optimized out>, this=<optimized out>)
>    at ../../src/corelib/thread/qbasicatomic.h:154
>154             return _q_value == value;
>(gdb) 
>guardHash () at kernel/qobject.cpp:385
>385     Q_GLOBAL_STATIC(GuardHash, guardHash)
>(gdb) 
>operator QMultiHash<QObject*, QObject**>* (this=<optimized out>)
>    at ../../src/corelib/thread/qbasicatomic.h:169
>169             return _q_value;
>(gdb) 
>guardHash () at kernel/qobject.cpp:385
>385     Q_GLOBAL_STATIC(GuardHash, guardHash)
>
>
>
>
>-------------------------------------------------------------------------
>Now I got tired pressing ENTER, so hold down the ENTER key for a while:
>-------------------------------------------------------------------------
>
>
>
>(gdb) 
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:413
>413         if (!hash || hash->isEmpty())
>(gdb) 
>410         GuardHash *hash = guardHash();
>(gdb) 
>413         if (!hash || hash->isEmpty())
>(gdb) 
>
>
>isEmpty (this=0x27b6060) at ../../src/corelib/tools/qhash.h:297
>297         inline bool isEmpty() const { return d->size == 0; }
>(gdb) 
>
>
>
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:413
>413         if (!hash || hash->isEmpty())
>
>(gdb) 
>
>415         QMutexLocker locker(guardHashLock());
>
>(gdb) 
>
>
>guardHashLock () at kernel/qobject.cpp:386
>386     Q_GLOBAL_STATIC(QMutex, guardHashLock)
>
>(gdb) 
>operator! (this=<optimized out>) at kernel/qobject.cpp:386
>386     Q_GLOBAL_STATIC(QMutex, guardHashLock)
>
>(gdb) 
>
>operator== (value=<optimized out>, this=<optimized out>)
>    at ../../src/corelib/thread/qbasicatomic.h:154
>154             return _q_value == value;
>(gdb) 
>
>guardHashLock () at kernel/qobject.cpp:386
>386     Q_GLOBAL_STATIC(QMutex, guardHashLock)
>(gdb) 
>operator QMutex* (this=<optimized out>)
>    at ../../src/corelib/thread/qbasicatomic.h:169
>169             return _q_value;
>(gdb) 
>guardHashLock () at kernel/qobject.cpp:386
>386     Q_GLOBAL_STATIC(QMutex, guardHashLock)
>(gdb) 
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:415
>415         QMutexLocker locker(guardHashLock());
>(gdb) 
>QMutexLocker (m=<optimized out>, this=<optimized out>)
>    at ../../src/corelib/thread/qmutex.h:108
>108             if (m) {
>(gdb) 
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:415
>415         QMutexLocker locker(guardHashLock());
>(gdb) 
>QMutexLocker (m=0x280eb30, this=<synthetic pointer>)
>    at ../../src/corelib/thread/qmutex.h:108
>108             if (m) {
>(gdb) 
>109                 m->lockInline();
>(gdb) 
>lockInline (this=0x280eb30) at ../../src/corelib/thread/qmutex.h:187
>187         if (d->recursive) {
>(gdb) 
>189         } else if(!tryLockInline()) {
>(gdb) 
>
>tryLockInline (this=0x280eb30) at ../../src/corelib/thread/qmutex.h:189
>189         } else if(!tryLockInline()) {
>(gdb) 
>
>
>testAndSetAcquire (newValue=1, expectedValue=0, this=0x2819db0)
>    at ../../src/corelib/thread/qmutex.h:189
>189         } else if(!tryLockInline()) {
>(gdb) 
>
>
>testAndSetOrdered (newValue=1, expectedValue=0, this=0x2819db0)
>    at ../../src/corelib/arch/qatomic_x86_64.h:145
>145                      : "memory");
>(gdb) 
>
>
>
>lockInline (this=0x280eb30) at ../../src/corelib/thread/qmutex.h:189
>189         } else if(!tryLockInline()) {
>(gdb) 
>
>
>
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:416
>416         if (!*ptr) //check again, under the lock
>
>(gdb) 
>
>415         QMutexLocker locker(guardHashLock());
>(gdb) 
>
>
>QMutexLocker (m=0x280eb30, this=<synthetic pointer>)
>    at ../../src/corelib/thread/qmutex.h:110
>110                 val = reinterpret_cast<quintptr>(m) | quintptr(1u);
>(gdb) 
>
>
>
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:416
>416         if (!*ptr) //check again, under the lock
>
>(gdb) 
>
>418         GuardHash::iterator it = hash->find(*ptr);
>(gdb) 
>
>
>find (akey=@0x7fff073bb6d0: 0x2887660, this=0x27b6060)
>    at kernel/qobject.cpp:418
>418         GuardHash::iterator it = hash->find(*ptr);
>(gdb) 
>
>detach (this=0x27b6060) at ../../src/corelib/tools/qhash.h:303
>303         inline void detach() { if (d->ref != 1) detach_helper(); }
>
>(gdb) 
>
>
>
>operator!= (value=1, this=0x2819610)
>    at ../../src/corelib/thread/qbasicatomic.h:75
>75              return _q_value != value;
>(gdb) 
>
>
>detach (this=0x27b6060) at ../../src/corelib/tools/qhash.h:303
>303         inline void detach() { if (d->ref != 1) detach_helper(); }
>
>(gdb) 
>
>
>find (akey=@0x7fff073bb6d0: 0x2887660, this=0x27b6060)
>    at ../../src/corelib/tools/qhash.h:868
>868         return iterator(*findNode(akey));
>(gdb) 
>
>
>
>
>QHash<QObject*, QObject**>::findNode (this=this@entry=0x27b6060, 
>    ahp=ahp@entry=0x0, akey=<optimized out>)
>    at ../../src/corelib/tools/qhash.h:884
>884         if (d->numBuckets) {
>
>(gdb) 
>
>882         uint h = qHash(akey);
>(gdb) 
>
>
>qHash<QObject> (key=0x2887660) at ../../src/corelib/tools/qhash.h:882
>882         uint h = qHash(akey);
>(gdb) 
>
>qHash (key=42497632) at ../../src/corelib/tools/qhash.h:81
>81              return uint(((key >> (8 * sizeof(uint) - 1)) ^ key) & (~0U));
>(gdb) 
>
>
>
>QHash<QObject*, QObject**>::findNode (this=this@entry=0x27b6060, 
>
>    ahp=ahp@entry=0x0, akey=<optimized out>)
>    at ../../src/corelib/tools/qhash.h:878
>878     Q_OUTOFLINE_TEMPLATE typename QHash<Key, T>::Node **QHash<Key, T>::findNode(const Key &akey,
>(gdb) 
>
>882         uint h = qHash(akey);
>
>(gdb) 
>
>qHash<QObject> (key=0x2887660) at ../../src/corelib/tools/qhash.h:882
>882         uint h = qHash(akey);
>(gdb) 
>
>qHash (key=42497632) at ../../src/corelib/tools/qhash.h:81
>81              return uint(((key >> (8 * sizeof(uint) - 1)) ^ key) & (~0U));
>
>(gdb) 
>
>
>
>QHash<QObject*, QObject**>::findNode (this=this@entry=0x27b6060, 
>    ahp=ahp@entry=0x0, akey=<optimized out>)
>    at ../../src/corelib/tools/qhash.h:890
>890             node = const_cast<Node **>(reinterpret_cast<const Node * const *>(&e));
>(gdb) 
>
>
>882         uint h = qHash(akey);
>(gdb) 
>
>qHash<QObject> (key=0x2887660) at ../../src/corelib/tools/qhash.h:882
>882         uint h = qHash(akey);
>(gdb) 
>
>
>qHash (key=42497632) at ../../src/corelib/tools/qhash.h:81
>81              return uint(((key >> (8 * sizeof(uint) - 1)) ^ key) & (~0U));
>(gdb) 
>
>
>
>QHash<QObject*, QObject**>::findNode (this=this@entry=0x27b6060, 
>    ahp=ahp@entry=0x0, akey=<optimized out>)
>    at ../../src/corelib/tools/qhash.h:884
>884         if (d->numBuckets) {
>
>(gdb) 
>
>885             node = reinterpret_cast<Node **>(&d->buckets[h % d->numBuckets]);
>
>(gdb) 
>
>
>887             while (*node != e && !(*node)->same_key(h, akey))
>(gdb) 
>
>
>
>same_key (this=0x28b58e0, this=0x28b58e0, key0=<optimized out>, 
>    h0=42497632) at ../../src/corelib/tools/qhash.h:225
>225         inline bool same_key(uint h0, const Key &key0) { return h0 == h && key0 == key; }
>(gdb) 
>
>
>
>892         if (ahp)
>
>(gdb) 
>
>895     }
>
>(gdb) 
>
>
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:419
>419         const GuardHash::iterator end = hash->end();
>
>(gdb) 
>
>end (this=<optimized out>) at kernel/qobject.cpp:419
>419         const GuardHash::iterator end = hash->end();
>(gdb) 
>
>detach (this=<optimized out>) at ../../src/corelib/tools/qhash.h:303
>303         inline void detach() { if (d->ref != 1) detach_helper(); }
>(gdb) 
>
>
>
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:418
>418         GuardHash::iterator it = hash->find(*ptr);
>(gdb) 
>
>
>find (akey=@0x7fff073bb6d0: 0x2887660, this=0x27b6060)
>    at ../../src/corelib/tools/qhash.h:868
>868         return iterator(*findNode(akey));
>(gdb) 
>
>
>
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:419
>419         const GuardHash::iterator end = hash->end();
>(gdb) 
>
>end (this=<optimized out>) at kernel/qobject.cpp:419
>419         const GuardHash::iterator end = hash->end();
>(gdb) 
>
>detach (this=<optimized out>) at kernel/qobject.cpp:419
>419         const GuardHash::iterator end = hash->end();
>
>(gdb) 
>
>operator!= (value=<optimized out>, this=<optimized out>)
>    at ../../src/corelib/thread/qbasicatomic.h:75
>75              return _q_value != value;
>(gdb) 
>
>
>
>detach (this=0x27b6060) at ../../src/corelib/tools/qhash.h:303
>303         inline void detach() { if (d->ref != 1) detach_helper(); }
>(gdb) 
>
>
>
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:421
>421         for (; it.key() == *ptr && it != end; ++it) {
>(gdb) 
>
>
>422             if (it.value() == ptr) {
>(gdb) 
>420         bool more = false; //if the QObject has more pointer attached to it.
>(gdb) 
>422             if (it.value() == ptr) {
>(gdb) 
>423                 it = hash->erase(it);
>(gdb) 
>QHash<QObject*, QObject**>::erase (this=this@entry=0x27b6060, 
>    it=it@entry=...) at ../../src/corelib/tools/qhash.h:827
>827     Q_OUTOFLINE_TEMPLATE typename QHash<Key, T>::iterator QHash<Key, T>::erase(iterator it)
>(gdb) 
>829         if (it == iterator(e))
>(gdb) 
>827     Q_OUTOFLINE_TEMPLATE typename QHash<Key, T>::iterator QHash<Key, T>::erase(iterator it)
>(gdb) 
>829         if (it == iterator(e))
>(gdb) 
>833         ++ret;
>(gdb) 
>operator++ (this=<synthetic pointer>)
>    at ../../src/corelib/tools/qhash.h:355
>355                 i = QHashData::nextNode(i);
>(gdb) 
>QHashData::nextNode (node=node@entry=0x28b58e0) at tools/qhash.cpp:292
>292         next = node->next;
>(gdb) 
>294         if (next->next)
>(gdb) 
>297         int start = (node->h % d->numBuckets) + 1;
>(gdb) 
>298         Node **bucket = d->buckets + start;
>(gdb) 
>297         int start = (node->h % d->numBuckets) + 1;
>(gdb) 
>298         Node **bucket = d->buckets + start;
>(gdb) 
>300         while (n--) {
>(gdb) 
>298         Node **bucket = d->buckets + start;
>(gdb) 
>300         while (n--) {
>(gdb) 
>301             if (*bucket != e)
>(gdb) 
>303             ++bucket;
>(gdb) 
>300         while (n--) {
>(gdb) 
>301             if (*bucket != e)
>(gdb) 
>303             ++bucket;
>(gdb) 
>300         while (n--) {
>(gdb) 
>301             if (*bucket != e)
>(gdb) 
>303             ++bucket;
>(gdb) 
>300         while (n--) {
>(gdb) 
>301             if (*bucket != e)
>(gdb) 
>303             ++bucket;
>(gdb) 
>300         while (n--) {
>(gdb) 
>306     }
>(gdb) 
>QHash<QObject*, QObject**>::erase (this=this@entry=0x27b6060, 
>    it=it@entry=...) at ../../src/corelib/tools/qhash.h:836
>836         Node **node_ptr = reinterpret_cast<Node **>(&d->buckets[node->h % d->numBuckets]);
>(gdb) 
>833         ++ret;
>(gdb) 
>operator++ (this=<synthetic pointer>)
>    at ../../src/corelib/tools/qhash.h:355
>355                 i = QHashData::nextNode(i);
>(gdb) 
>QHash<QObject*, QObject**>::erase (this=this@entry=0x27b6060, 
>    it=it@entry=...) at ../../src/corelib/tools/qhash.h:836
>836         Node **node_ptr = reinterpret_cast<Node **>(&d->buckets[node->h % d->numBuckets]);
>(gdb) 
>837         while (*node_ptr != node)
>(gdb) 
>839         *node_ptr = node->next;
>(gdb) 
>840         deleteNode(node);
>(gdb) 
>deleteNode (node=<optimized out>, this=<optimized out>)
>    at ../../src/corelib/tools/qhash.h:512
>512         d->freeNode(node);
>(gdb) 
>QHash<QObject*, QObject**>::erase (this=this@entry=0x27b6060, 
>    it=it@entry=...) at ../../src/corelib/tools/qhash.h:839
>839         *node_ptr = node->next;
>(gdb) 
>840         deleteNode(node);
>(gdb) 
>deleteNode (node=0x28b58e0, this=0x27b6060)
>    at ../../src/corelib/tools/qhash.h:512
>512         d->freeNode(node);
>(gdb) 
>QHashData::freeNode (this=0x2819600, node=0x28b58e0)
>    at tools/qhash.cpp:186
>186         if (strictAlignment)
>(gdb) 
>187             qFreeAligned(node);
>(gdb) 
>186         if (strictAlignment)
>(gdb) 
>189             qFree(node);
>(gdb) 
>qFree (ptr=0x28b58e0) at global/qmalloc.cpp:60
>60          ::free(ptr);
>(gdb) 
>__GI___libc_free (mem=0x28b58e0) at malloc.c:2885
>2885        = force_reg (__free_hook);
>(gdb) 
>2886      if (__builtin_expect (hook != NULL, 0)) {
>(gdb) 
>2891      if (mem == 0)                              /* free(0) has no effect */
>(gdb) 
>2896      if (chunk_is_mmapped(p))                       /* release mmapped memory. */
>(gdb) 
>2894      p = mem2chunk(mem);
>(gdb) 
>2896      if (chunk_is_mmapped(p))                       /* release mmapped memory. */
>(gdb) 
>2910      ar_ptr = arena_for_chunk(p);
>(gdb) 
>2911      _int_free(ar_ptr, p, 0);
>(gdb) 
>_int_free (av=0x3fb3dba780 <main_arena>, p=0x28b58d0, have_lock=0)
>    at malloc.c:3763
>3763    {
>(gdb) 
>3776      size = chunksize(p);
>
>
>
>SNIP
>
>
>(gdb) 
>
>
>424                 if (!more) more = (it != end && it.key() == *ptr);
>(gdb) 
>
>
>430             QObjectPrivate::get(*ptr)->hasGuards = false;
>(gdb) 
>
>
>
>~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>)
>    at kernel/qobject.cpp:430
>430             QObjectPrivate::get(*ptr)->hasGuards = false;
>(gdb) 
>
>unlock (this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:119
>119             if ((val & quintptr(1u)) == quintptr(1u)) {
>
>(gdb) 
>
>
>120                 val &= ~quintptr(1u);
>(gdb) 
>
>
>121                 mutex()->unlockInline();
>(gdb) 
>
>
>unlockInline (this=0x280eb30) at ../../src/corelib/thread/qmutex.h:169
>169         if (d->recursive) {
>(gdb) 
>
>
>
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:417
>417             return;
>(gdb) 
>
>~QMutexLocker (this=<optimized out>, __in_chrg=<optimized out>)
>    at kernel/qobject.cpp:417
>417             return;
>(gdb) 
>
>unlock (this=<optimized out>) at kernel/qobject.cpp:417
>417             return;
>
>(gdb) 
>
>unlockInline (this=<optimized out>) at kernel/qobject.cpp:417
>417             return;
>(gdb) 
>
>
>testAndSetRelease (newValue=0, expectedValue=1, this=0x2819db0)
>    at kernel/qobject.cpp:417
>417             return;
>(gdb) 
>
>
>testAndSetOrdered (newValue=0, expectedValue=1, this=0x2819db0)
>    at ../../src/corelib/arch/qatomic_x86_64.h:145
>145                      : "memory");
>(gdb) 
>
>
>
>unlockInline (this=<optimized out>)
>    at ../../src/corelib/thread/qmutex.h:171
>171         } else if (!d->contenders.testAndSetRelease(1, 0)) {
>(gdb) 
>
>
>
>
>QMetaObject::removeGuard (ptr=ptr@entry=0x7fff073bb6d0)
>    at kernel/qobject.cpp:431
>431     }
>(gdb) 
>
>
>
>
>QDBusConnectionPrivate::deliverCall (this=this@entry=0x281d000, 
>
>    object=object@entry=0x2887660, msg=..., metaTypes=..., slotIdx=9)
>    at qdbusintegrator.cpp:955
>955                 QDBusContextPrivate::set(object, old);
>(gdb) 
>
>
>~QDBusContextPrivate (this=0x7fff073bb6e0, __in_chrg=<optimized out>)
>    at qdbuscontext_p.h:67
>67      class QDBusContextPrivate
>(gdb) 
>
>
>
>QDBusConnection::~QDBusConnection (this=0x7fff073bb6e0, 
>    __in_chrg=<optimized out>) at qdbusconnection.cpp:303
>303         if (d && !d->ref.deref())
>(gdb) 
>
>
>deref (this=0x281d010) at ../../src/corelib/arch/qatomic_x86_64.h:133
>133                      : "memory");
>(gdb) 
>
>
>QDBusConnection::~QDBusConnection (this=0x7fff073bb6e0, 
>    __in_chrg=<optimized out>) at qdbusconnection.cpp:303
>303         if (d && !d->ref.deref())
>(gdb) 
>
>
>
>
>QDBusConnectionPrivate::deliverCall (this=this@entry=0x281d000, 
>
>    object=object@entry=0x2887660, msg=..., metaTypes=..., slotIdx=9)
>    at qdbusintegrator.cpp:960
>960         if (msg.isReplyRequired() && !msg.isDelayedReply()) {
>
>(gdb) 
>
>
>
>
>QDBusMessage::isReplyRequired (this=this@entry=0x28cc0d0)
>    at qdbusmessage.cpp:616
>616         if (!d_ptr->msg)
>(gdb) 
>
>
>615     {
>(gdb) 
>
>618         return !q_dbus_message_get_no_reply(d_ptr->msg);
>(gdb) 
>
>
>
>
>
>
>
>
>q_dbus_message_get_no_reply (message=0x285e3b0) at qdbus_symbols_p.h:209
>209     DEFINEFUNC(dbus_bool_t   , dbus_message_get_no_reply, (DBusMessage   *message),
>(gdb) 
>
>
>
>
>
>dbus_message_get_no_reply (message=0x285e3b0) at dbus-message.c:2927
>
>2927      _dbus_return_val_if_fail (message != NULL, FALSE);
>(gdb) 
>
>
>2929      return _dbus_header_get_flag (&message->header,
>(gdb) 
>
>
>
>
>_dbus_header_get_flag (header=0x285e3b8, flag=1)
>    at dbus-marshal-header.c:1484
>1484      return (*flags_p & flag) != 0;
>(gdb) 
>
>
>
>1485    }
>(gdb) 
>
>
>
>QDBusMessage::isReplyRequired (this=this@entry=0x28cc0d0)
>    at qdbusmessage.cpp:618
>618         return !q_dbus_message_get_no_reply(d_ptr->msg);
>(gdb) 
>
>619     }
>(gdb) 
>
>
>
>
>QDBusMessage::isDelayedReply (this=this@entry=0x28cc0d0)
>    at qdbusmessage.cpp:647
>647         return d_ptr->delayedReply;
>(gdb) 
>
>
>648     }
>(gdb) 
>
>QDBusConnectionPrivate::deliverCall (this=this@entry=0x281d000, 
>    object=object@entry=0x2887660, msg=..., metaTypes=..., slotIdx=9)
>    at qdbusintegrator.cpp:961
>961             if (!fail) {
>(gdb) 
>963                 qDBusDebug() << this << "Automatically sending reply:" << outputArgs;
>(gdb) 
>964                 send(msg.createReply(outputArgs));
>(gdb) 
>QDBusMessage::createReply (this=this@entry=0x28cc0d0, arguments=...)
>    at qdbusmessage.cpp:445
>445     {
>(gdb) 
>446         QDBusMessage reply;
>(gdb) 
>QDBusMessage::QDBusMessage (this=0x7fff073bb680) at qdbusmessage.cpp:513
>513     QDBusMessage::QDBusMessage()
>(gdb) 
>515         d_ptr = new QDBusMessagePrivate;
>(gdb) 
>513     QDBusMessage::QDBusMessage()
>(gdb) 
>515         d_ptr = new QDBusMessagePrivate;
>(gdb) 
>operator new (sz=sz@entry=96)
>    at ../../../../libstdc++-v3/libsupc++/new_op.cc:45
>45      {
>(gdb) 
>50          sz = 1;
>(gdb) 
>45      {
>(gdb) 
>50          sz = 1;
>(gdb) 
>51        p = (void *) malloc (sz);
>(gdb) 
>__GI___libc_malloc (bytes=140733314741888) at malloc.c:2849
>2849    {
>(gdb) 
>2854        = force_reg (__malloc_hook);
>(gdb) 
>2855      if (__builtin_expect (hook != NULL, 0))
>(gdb) 
>2858      arena_lookup(ar_ptr);
>(gdb) 
>2860      arena_lock(ar_ptr, bytes);
>(gdb) 
>2863      victim = _int_malloc(ar_ptr, bytes);
>(gdb) 
>_int_malloc (av=0x3fb3dba780 <main_arena>, bytes=96) at malloc.c:3266
>3266    {
>(gdb) 
>3296      checked_request2size(bytes, nb);
>(gdb) 
>3266    {
>(gdb) 
>3296      checked_request2size(bytes, nb);
>(gdb) 
>3304      if ((unsigned long)(nb) <= (unsigned long)(get_max_fast ())) {
>(gdb) 
>3305        idx = fastbin_index(nb);
>(gdb) 
>3306        mfastbinptr* fb = &fastbin (av, idx);
>(gdb) 
>3307        mchunkptr pp = *fb;
>(gdb) 
>3306        mfastbinptr* fb = &fastbin (av, idx);
>(gdb) 
>3311            if (victim == NULL)
>(gdb) 
>3314        while ((pp = catomic_compare_and_exchange_val_acq (fb, victim->fd, victim))
>(gdb) 
>3315               != victim);
>(gdb) 
>3314        while ((pp = catomic_compare_and_exchange_val_acq (fb, victim->fd, victim))
>(gdb) 
>3315               != victim);
>(gdb) 
>3317          if (__builtin_expect (fastbin_index (chunksize (victim)) != idx, 0))
>(gdb) 
>3694            if (__builtin_expect (perturb_byte, 0))
>(gdb) 
>3693            void *p = chunk2mem(victim);
>(gdb) 
>3694            if (__builtin_expect (perturb_byte, 0))
>(gdb) 
>3755    }
>(gdb) 
>__GI___libc_malloc (bytes=96) at malloc.c:2864
>2864      if(!victim) {
>(gdb) 
>2863      victim = _int_malloc(ar_ptr, bytes);
>(gdb) 
>
>2864      if(!victim) {
>(gdb) 
>2871        (void)mutex_unlock(&ar_ptr->mutex);
>(gdb) 
>2875    }
>(gdb) 
>operator new (sz=sz@entry=96)
>    at ../../../../libstdc++-v3/libsupc++/new_op.cc:52
>52        while (p == 0)
>(gdb) 
>62      }
>(gdb) 
>QDBusMessagePrivate::QDBusMessagePrivate (this=0x28cc0f0)
>    at qdbusmessage.cpp:68
>68            parametersValidated(false), autoStartService(true)
>(gdb) 
>QList (this=0x28cc0f0) at ../../src/corelib/tools/qlist.h:121
>121         inline QList() : d(&QListData::shared_null) { d->ref.ref(); }
>(gdb) 
>
>
>ref (this=<optimized out>) at ../../src/corelib/arch/qatomic_x86_64.h:121
>121                      : "memory");
>(gdb) 
>
>
>QDBusMessagePrivate::QDBusMessagePrivate (this=0x28cc0f0)
>    at qdbusmessage.cpp:68
>68            parametersValidated(false), autoStartService(true)
>(gdb) 
>
>QString (this=0x28cc0f8) at ../../src/corelib/tools/qstring.h:879
>879     inline QString::QString() : d(&shared_null) { d->ref.ref(); }
>(gdb) 
>
>
>ref (this=<optimized out>) at ../../src/corelib/arch/qatomic_x86_64.h:121
>121                      : "memory");
>(gdb) 
>
>
>QDBusMessagePrivate::QDBusMessagePrivate (this=0x28cc0f0)
>    at qdbusmessage.cpp:68
>68            parametersValidated(false), autoStartService(true)
>(gdb) 
>
>QString (this=0x28cc100) at ../../src/corelib/tools/qstring.h:879
>879     inline QString::QString() : d(&shared_null) { d->ref.ref(); }
>(gdb) 
>ref (this=<optimized out>) at ../../src/corelib/arch/qatomic_x86_64.h:121
>121                      : "memory");
>(gdb) 
>QDBusMessagePrivate::QDBusMessagePrivate (this=0x28cc0f0)
>    at qdbusmessage.cpp:68
>68            parametersValidated(false), autoStartService(true)
>(gdb) 
>QString (this=0x28cc108) at ../../src/corelib/tools/qstring.h:879
>879     inline QString::QString() : d(&shared_null) { d->ref.ref(); }
>(gdb) 
>ref (this=<optimized out>) at ../../src/corelib/arch/qatomic_x86_64.h:121
>121                      : "memory");
>(gdb) 
>QDBusMessagePrivate::QDBusMessagePrivate (this=0x28cc0f0)
>    at qdbusmessage.cpp:68
>68            parametersValidated(false), autoStartService(true)
>
>(gdb) 
>QString (this=0x28cc110) at ../../src/corelib/tools/qstring.h:879
>879     inline QString::QString() : d(&shared_null) { d->ref.ref(); }
>(gdb) 
>ref (this=<optimized out>) at ../../src/corelib/arch/qatomic_x86_64.h:121
>121                      : "memory");
>(gdb) 
>QDBusMessagePrivate::QDBusMessagePrivate (this=0x28cc0f0)
>    at qdbusmessage.cpp:68
>68            parametersValidated(false), autoStartService(true)
>(gdb) 
>QString (this=0x28cc118) at ../../src/corelib/tools/qstring.h:879
>879     inline QString::QString() : d(&shared_null) { d->ref.ref(); }
>(gdb) 
>ref (this=<optimized out>) at ../../src/corelib/arch/qatomic_x86_64.h:121
>121                      : "memory");
>(gdb) 
>QDBusMessagePrivate::QDBusMessagePrivate (this=0x28cc0f0)
>    at qdbusmessage.cpp:68
>68            parametersValidated(false), autoStartService(true)
>(gdb) 
>QString (this=0x28cc120) at ../../src/corelib/tools/qstring.h:879
>879     inline QString::QString() : d(&shared_null) { d->ref.ref(); }
>(gdb) 
>ref (this=<optimized out>) at ../../src/corelib/arch/qatomic_x86_64.h:121
>121                      : "memory");
>(gdb) 
>QDBusMessagePrivate::QDBusMessagePrivate (this=0x28cc0f0)
>    at qdbusmessage.cpp:68
>68            parametersValidated(false), autoStartService(true)
>(gdb) 
>
>QAtomicInt (value=1, this=0x28cc148)
>    at ../../src/corelib/thread/qatomic.h:63
>63              _q_value = value;
>(gdb) 
>QDBusMessagePrivate::QDBusMessagePrivate (this=0x28cc0f0)
>    at qdbusmessage.cpp:68
>68            parametersValidated(false), autoStartService(true)
>(gdb) 
>QDBusMessage::QDBusMessage (this=0x7fff073bb680) at qdbusmessage.cpp:516
>516     }
>(gdb) 
>QDBusMessage::createReply (this=this@entry=0x28cc0d0, arguments=...)
>    at qdbusmessage.cpp:447
>447         reply.setArguments(arguments);
>(gdb) 
>QDBusMessage::setArguments (this=0x7fff073bb680, arguments=...)
>    at qdbusmessage.cpp:696
>696     {
>(gdb) 
>698         d_ptr->arguments = arguments;
>(gdb) 
>operator= (l=..., this=0x28cc0f0) at ../../src/corelib/tools/qlist.h:439
>439         if (d != l.d) {
>(gdb) 
>
>QDBusMessage::setArguments (this=<optimized out>, arguments=...)
>    at qdbusmessage.cpp:699
>699     }
>(gdb) 
>QDBusMessage::createReply (this=this@entry=0x28cc0d0, arguments=...)
>    at qdbusmessage.cpp:449
>449         if (d_ptr->msg)
>(gdb) 
>448         reply.d_ptr->type = DBUS_MESSAGE_TYPE_METHOD_RETURN;
>(gdb) 
>449         if (d_ptr->msg)
>(gdb) 
>448         reply.d_ptr->type = DBUS_MESSAGE_TYPE_METHOD_RETURN;
>(gdb) 
>449         if (d_ptr->msg)
>(gdb) 
>450             reply.d_ptr->reply = q_dbus_message_ref(d_ptr->msg);
>(gdb) 
>q_dbus_message_ref (message=0x285e3b0) at qdbus_symbols_p.h:273
>273     DEFINEFUNC(DBusMessage*  , dbus_message_ref, (DBusMessage   *message),
>(gdb) 
>
>dbus_message_ref (message=0x285e3b0) at dbus-message.c:1593
>1593      _dbus_return_val_if_fail (message != NULL, NULL);
>(gdb) 
>1590    {
>(gdb) 
>1593      _dbus_return_val_if_fail (message != NULL, NULL);
>(gdb) 
>1594      _dbus_return_val_if_fail (message->generation == _dbus_current_generation, NULL);
>(gdb) 
>
>1595      _dbus_return_val_if_fail (!message->in_cache, NULL);
>(gdb) 
>1597      old_refcount = _dbus_atomic_inc (&message->refcount);
>(gdb) 
>_dbus_atomic_inc (atomic=atomic@entry=0x285e3b0)
>    at dbus-sysdeps-unix.c:2443
>2443      return __sync_add_and_fetch(&atomic->value, 1)-1;
>(gdb) 
>2452    }
>(gdb) 
>
>dbus_message_ref (message=0x285e3b0) at dbus-message.c:1601
>1601      return message;
>(gdb) 
>1602    }
>(gdb) 
>QDBusMessage::createReply (this=this@entry=0x28cc0d0, arguments=...)
>    at qdbusmessage.cpp:450
>450             reply.d_ptr->reply = q_dbus_message_ref(d_ptr->msg);
>(gdb) 
>451         if (d_ptr->localMessage) {
>(gdb) 
>459     }
>(gdb) 
>QDBusConnectionPrivate::send (this=this@entry=0x281d000, message=...)
>    at qdbusintegrator.cpp:1843
>1843    {
>(gdb) 
>1844        if (QDBusMessagePrivate::isLocal(message))
>(gdb) 
>1843    {
>(gdb) 
>
>1844        if (QDBusMessagePrivate::isLocal(message))
>(gdb) 
>QDBusMessagePrivate::isLocal (message=...) at qdbusmessage.cpp:252
>252         return message.d_ptr->localMessage;
>(gdb) 
>253     }
>(gdb) 
>QDBusConnectionPrivate::send (this=this@entry=0x281d000, message=...)
>    at qdbusintegrator.cpp:1848
>1848        QDBusError error;
>(gdb) 
>1849        DBusMessage *msg = QDBusMessagePrivate::toDBusMessage(message, capabilities, &error);
>(gdb) 
>1848        QDBusError error;
>(gdb) 
>
>QDBusError::QDBusError (this=0x7fff073bb530, error=0x0)
>    at qdbuserror.cpp:246
>246     QDBusError::QDBusError(const DBusError *error)
>(gdb) 
>247         : code(NoError)
>(gdb) 
>QString (this=<optimized out>) at ../../src/corelib/tools/qstring.h:879
>879     inline QString::QString() : d(&shared_null) { d->ref.ref(); }
>(gdb) 
>QDBusError::QDBusError (this=0x7fff073bb530, error=0x0)
>    at qdbuserror.cpp:247
>247         : code(NoError)
>(gdb) 
>QString (this=0x7fff073bb538) at ../../src/corelib/tools/qstring.h:879
>879     inline QString::QString() : d(&shared_null) { d->ref.ref(); }
>
>(gdb) 
>ref (this=<optimized out>) at ../../src/corelib/arch/qatomic_x86_64.h:121
>121                      : "memory");
>(gdb) 
>QDBusError::QDBusError (this=0x7fff073bb530, error=0x0)
>    at qdbuserror.cpp:247
>247         : code(NoError)
>(gdb) 
>QString (this=0x7fff073bb540) at ../../src/corelib/tools/qstring.h:879
>879     inline QString::QString() : d(&shared_null) { d->ref.ref(); }
>(gdb) 
>ref (this=<optimized out>) at ../../src/corelib/arch/qatomic_x86_64.h:121
>121                      : "memory");
>(gdb) 
>QDBusError::QDBusError (this=0x7fff073bb530, error=0x0)
>    at qdbuserror.cpp:249
>249         if (!error || !q_dbus_error_is_set(error))
>(gdb) 
>255     }
>(gdb) 
>
>QDBusConnectionPrivate::send (this=this@entry=0x281d000, message=...)
>    at qdbusintegrator.cpp:1849
>1849        DBusMessage *msg = QDBusMessagePrivate::toDBusMessage(message, capabilities, &error);
>(gdb) 
>QFlags (f=..., this=0x7fff073bb520)
>    at ../../src/corelib/global/qglobal.h:2311
>2311        Q_DECL_CONSTEXPR inline QFlags(const QFlags &f) : i(f.i) {}
>(gdb) 
>QDBusConnectionPrivate::send (this=this@entry=0x281d000, message=...)
>    at qdbusintegrator.cpp:1849
>1849        DBusMessage *msg = QDBusMessagePrivate::toDBusMessage(message, capabilities, &error);
>(gdb) 
>QFlags (f=..., this=0x7fff073bb520)
>    at ../../src/corelib/global/qglobal.h:2311
>2311        Q_DECL_CONSTEXPR inline QFlags(const QFlags &f) : i(f.i) {}
>(gdb) 
>QDBusConnectionPrivate::send (this=this@entry=0x281d000, message=...)
>    at qdbusintegrator.cpp:1849
>1849        DBusMessage *msg = QDBusMessagePrivate::toDBusMessage(message, capabilities, &error);
>(gdb) 
>QDBusMessagePrivate::toDBusMessage (message=..., capabilities=..., 
>    error=error@entry=0x7fff073bb530) at qdbusmessage.cpp:107
>107     {
>(gdb) 
>114         const QDBusMessagePrivate *d_ptr = message.d_ptr;
>(gdb) 
>107     {
>(gdb) 
>116         switch (d_ptr->type) {
>(gdb) 
>138             msg = q_dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
>(gdb) 
>q_dbus_message_new (message_type=2) at qdbus_symbols_p.h:262
>262     DEFINEFUNC(DBusMessage* , dbus_message_new, (int          message_type),
>(gdb) 
>dbus_message_new (message_type=2) at dbus-message.c:1212
>1212    {
>
>(gdb) 
>1215      _dbus_return_val_if_fail (message_type != DBUS_MESSAGE_TYPE_INVALID, NULL);
>(gdb) 
>1217      message = dbus_message_new_empty_header ();
>(gdb) 
>dbus_message_new_empty_header () at dbus-message.c:1127
>1127    {
>(gdb) 
>1131      message = dbus_message_get_cached ();
>(gdb) 
>dbus_message_get_cached () at dbus-message.c:551
>551       _DBUS_LOCK (message_cache);
>(gdb) 
>
>_dbus_rmutex_lock (mutex=0x28197d0) at dbus-threads.c:175
>175       if (mutex && thread_init_generation == _dbus_current_generation)
>(gdb) 
>
>176         _dbus_platform_rmutex_lock (mutex);
>(gdb) 
>
>_dbus_platform_rmutex_lock (mutex=0x28197d0) at dbus-sysdeps-pthread.c:156
>156       PTHREAD_CHECK ("pthread_mutex_lock", pthread_mutex_lock (&mutex->lock));
>(gdb) 
>
>
>__GI___pthread_mutex_lock (mutex=0x28197d0) at pthread_mutex_lock.c:50
>50        unsigned int type = PTHREAD_MUTEX_TYPE (mutex);
>(gdb) 
>47      {
>(gdb) 
>50        unsigned int type = PTHREAD_MUTEX_TYPE (mutex);
>(gdb) 
>52        LIBC_PROBE (mutex_entry, 1, mutex);
>(gdb) 
>54        if (__builtin_expect (type & ~PTHREAD_MUTEX_KIND_MASK_NP, 0))
>(gdb) 
>57        pid_t id = THREAD_GETMEM (THREAD_SELF, tid);
>(gdb) 
>59        if (__builtin_expect (type, PTHREAD_MUTEX_TIMED_NP)
>(gdb) 
>67        else if (__builtin_expect (type == PTHREAD_MUTEX_RECURSIVE_NP, 1))
>(gdb) 
>72            if (mutex->__data.__owner == id)
>(gdb) 
>85            LLL_MUTEX_LOCK (mutex);
>(gdb) 
>88            mutex->__data.__count = 1;
>(gdb) 
>128       mutex->__data.__owner = id;
>(gdb) 
>130       ++mutex->__data.__nusers;
>(gdb) 
>133       LIBC_PROBE (mutex_acquired, 1, mutex);
>(gdb) 
>135       return 0;
>(gdb) 
>dbus_message_get_cached () at dbus-message.c:555
>555       if (message_cache_count == 0)
>(gdb) 
>570           if (message_cache[i])
>(gdb) 
>568       while (i < MAX_MESSAGE_CACHE_SIZE)
>(gdb) 
>570           if (message_cache[i])
>(gdb) 
>dbus_message_new_empty_header () at dbus-message.c:1131
>1131      message = dbus_message_get_cached ();
>(gdb) 
>dbus_message_get_cached () at dbus-message.c:587
>587       _DBUS_UNLOCK (message_cache);
>(gdb) 
>573               message_cache[i] = NULL;
>(gdb) 
>574               message_cache_count -= 1;
>(gdb) 
>573               message_cache[i] = NULL;
>(gdb) 
>587       _DBUS_UNLOCK (message_cache);
>(gdb) 
>
>_dbus_rmutex_unlock (mutex=0x28197d0) at dbus-threads.c:199
>199       if (mutex && thread_init_generation == _dbus_current_generation)
>(gdb) 
>
>200         _dbus_platform_rmutex_unlock (mutex);
>(gdb) 
>
>_dbus_platform_rmutex_unlock (mutex=0x28197d0)
>    at dbus-sysdeps-pthread.c:168
>168       PTHREAD_CHECK ("pthread_mutex_unlock", pthread_mutex_unlock (&mutex->lock));
>(gdb) 
>
>__GI___pthread_mutex_unlock (mutex=0x28197d0)
>    at pthread_mutex_unlock.c:297
>
>297       return __pthread_mutex_unlock_usercnt (mutex, 1);
>(gdb) 
>
>__pthread_mutex_unlock_usercnt (decr=1, mutex=0x28197d0)
>    at pthread_mutex_unlock.c:296
>296     {
>(gdb) 
>
>297       return __pthread_mutex_unlock_usercnt (mutex, 1);
>(gdb) 
>
>__pthread_mutex_unlock_usercnt (decr=1, mutex=0x28197d0)
>    at pthread_mutex_unlock.c:37
>37        int type = PTHREAD_MUTEX_TYPE (mutex);
>(gdb) 
>38        if (__builtin_expect (type & ~PTHREAD_MUTEX_KIND_MASK_NP, 0))
>(gdb) 
>
>37        int type = PTHREAD_MUTEX_TYPE (mutex);
>(gdb) 
>38        if (__builtin_expect (type & ~PTHREAD_MUTEX_KIND_MASK_NP, 0))
>
>(gdb) 
>41        if (__builtin_expect (type, PTHREAD_MUTEX_TIMED_NP)
>(gdb) 
>58        else if (__builtin_expect (type == PTHREAD_MUTEX_RECURSIVE_NP, 1))
>(gdb) 
>61            if (mutex->__data.__owner != THREAD_GETMEM (THREAD_SELF, tid))
>(gdb) 
>64            if (--mutex->__data.__count != 0)
>(gdb) 
>46            mutex->__data.__owner = 0;
>(gdb) 
>49              --mutex->__data.__nusers;
>(gdb) 
>52            lll_unlock (mutex->__data.__lock, PTHREAD_MUTEX_PSHARED (mutex));
>(gdb) 
>54            LIBC_PROBE (mutex_release, 1, mutex);
>(gdb) 
>__GI___pthread_mutex_unlock (mutex=0x28197d0)
>    at pthread_mutex_unlock.c:298
>298     }
>(gdb) 
>dbus_message_new_empty_header () at dbus-message.c:1153
>1153      _dbus_atomic_inc (&message->refcount);
>(gdb) 
>
>_dbus_atomic_inc (atomic=atomic@entry=0x285aa50)
>    at dbus-sysdeps-unix.c:2443
>2443      return __sync_add_and_fetch(&atomic->value, 1)-1;
>(gdb) 
>2452    }
>(gdb) 
>dbus_message_new_empty_header () at dbus-message.c:1159
>1159      message->in_cache = FALSE;
>(gdb) 
>1163      message->changed_stamp = 0;
>(gdb) 
>1176          _dbus_header_reinit (&message->header);
>(gdb) 
>1161      message->counters = NULL;
>(gdb) 
>1162      message->size_counter_delta = 0;
>(gdb) 
>1166      message->n_unix_fds = 0;
>(gdb) 
>1167      message->n_unix_fds_allocated = 0;
>(gdb) 
>1168      message->unix_fd_counter_delta = 0;
>(gdb) 
>1176          _dbus_header_reinit (&message->header);
>(gdb) 
>_dbus_header_reinit (header=header@entry=0x285aa58)
>    at dbus-marshal-header.c:442
>442     {
>
>(gdb) 
>443       _dbus_string_set_length (&header->data, 0);
>(gdb) 
>442     {
>(gdb) 
>443       _dbus_string_set_length (&header->data, 0);
>(gdb) 
>
>_dbus_string_set_length (str=str@entry=0x285aa58, length=length@entry=0)
>    at dbus-string.c:786
>786       return set_length (real, length);
>(gdb) 
>
>set_length (real=real@entry=0x285aa58, new_length=new_length@entry=0)
>    at dbus-string.c:378
>378     {
>(gdb) 
>
>382       if (_DBUS_UNLIKELY (new_length > _DBUS_STRING_MAX_LENGTH))
>(gdb) 
>378     {
>(gdb) 
>382       if (_DBUS_UNLIKELY (new_length > _DBUS_STRING_MAX_LENGTH))
>(gdb) 
>384       else if (new_length > (real->allocated - _DBUS_STRING_ALLOCATION_PADDING) &&
>(gdb) 
>390           real->str[new_length] = '\0';
>(gdb) 
>389           real->len = new_length;
>(gdb) 
>390           real->str[new_length] = '\0';
>(gdb) 
>391           return TRUE;
>(gdb) 
>393     }
>(gdb) 
>
>_dbus_header_reinit (header=header@entry=0x285aa58)
>    at dbus-marshal-header.c:445
>445       header->padding = 0;
>(gdb) 
>447       _dbus_header_cache_invalidate_all (header);
>(gdb) 
>_dbus_header_cache_invalidate_all (header=0x285aa58)
>    at dbus-marshal-header.c:141
>141           header->fields[i].value_pos = _DBUS_HEADER_FIELD_VALUE_UNKNOWN;
>(gdb) 
>139       while (i <= DBUS_HEADER_FIELD_LAST)
>(gdb) 
>_dbus_header_reinit (header=header@entry=0x285aa58)
>    at dbus-marshal-header.c:447
>447       _dbus_header_cache_invalidate_all (header);
>(gdb) 
>_dbus_header_cache_invalidate_all (header=0x285aa58)
>    at dbus-marshal-header.c:141
>141           header->fields[i].value_pos = _DBUS_HEADER_FIELD_VALUE_UNKNOWN;
>(gdb) 
>139       while (i <= DBUS_HEADER_FIELD_LAST)
>(gdb) 
>_dbus_header_reinit (header=header@entry=0x285aa58)
>    at dbus-marshal-header.c:447
>447       _dbus_header_cache_invalidate_all (header);
>(gdb) 
>_dbus_header_cache_invalidate_all (header=0x285aa58)
>    at dbus-marshal-header.c:141
>141           header->fields[i].value_pos = _DBUS_HEADER_FIELD_VALUE_UNKNOWN;
>(gdb) 
>139       while (i <= DBUS_HEADER_FIELD_LAST)
>(gdb) 
>_dbus_header_reinit (header=header@entry=0x285aa58)
>    at dbus-marshal-header.c:447
>447       _dbus_header_cache_invalidate_all (header);
>(gdb) 
>_dbus_header_cache_invalidate_all (header=0x285aa58)
>    at dbus-marshal-header.c:141
>141           header->fields[i].value_pos = _DBUS_HEADER_FIELD_VALUE_UNKNOWN;
>(gdb) 
>139       while (i <= DBUS_HEADER_FIELD_LAST)
>(gdb) 
>_dbus_header_reinit (header=header@entry=0x285aa58)
>    at dbus-marshal-header.c:447
>447       _dbus_header_cache_invalidate_all (header);
>(gdb) 
>_dbus_header_cache_invalidate_all (header=0x285aa58)
>    at dbus-marshal-header.c:141
>141           header->fields[i].value_pos = _DBUS_HEADER_FIELD_VALUE_UNKNOWN;
>(gdb) 
>139       while (i <= DBUS_HEADER_FIELD_LAST)
>(gdb) 
>_dbus_header_reinit (header=header@entry=0x285aa58)
>    at dbus-marshal-header.c:447
>447       _dbus_header_cache_invalidate_all (header);
>(gdb) 
>_dbus_header_cache_invalidate_all (header=0x285aa58)
>    at dbus-marshal-header.c:141
>141           header->fields[i].value_pos = _DBUS_HEADER_FIELD_VALUE_UNKNOWN;
>(gdb) 
>139       while (i <= DBUS_HEADER_FIELD_LAST)
>(gdb) 
>_dbus_header_reinit (header=header@entry=0x285aa58)
>    at dbus-marshal-header.c:447
>447       _dbus_header_cache_invalidate_all (header);
>(gdb) 
>_dbus_header_cache_invalidate_all (header=0x285aa58)
>    at dbus-marshal-header.c:141
>141           header->fields[i].value_pos = _DBUS_HEADER_FIELD_VALUE_UNKNOWN;
>(gdb) 
>139       while (i <= DBUS_HEADER_FIELD_LAST)
>(gdb) 
>_dbus_header_reinit (header=header@entry=0x285aa58)
>    at dbus-marshal-header.c:447
>447       _dbus_header_cache_invalidate_all (header);
>(gdb) 
>_dbus_header_cache_invalidate_all (header=0x285aa58)
>    at dbus-marshal-header.c:141
>141           header->fields[i].value_pos = _DBUS_HEADER_FIELD_VALUE_UNKNOWN;
>(gdb) 
>139       while (i <= DBUS_HEADER_FIELD_LAST)
>(gdb) 
>_dbus_header_reinit (header=header@entry=0x285aa58)
>    at dbus-marshal-header.c:447
>447       _dbus_header_cache_invalidate_all (header);
>(gdb) 
>_dbus_header_cache_invalidate_all (header=0x285aa58)
>    at dbus-marshal-header.c:141
>141           header->fields[i].value_pos = _DBUS_HEADER_FIELD_VALUE_UNKNOWN;
>(gdb) 
>139       while (i <= DBUS_HEADER_FIELD_LAST)
>(gdb) 
>_dbus_header_reinit (header=header@entry=0x285aa58)
>    at dbus-marshal-header.c:447
>447       _dbus_header_cache_invalidate_all (header);
>(gdb) 
>_dbus_header_cache_invalidate_all (header=0x285aa58)
>    at dbus-marshal-header.c:141
>141           header->fields[i].value_pos = _DBUS_HEADER_FIELD_VALUE_UNKNOWN;
>(gdb) 
>139       while (i <= DBUS_HEADER_FIELD_LAST)
>(gdb) 
>_dbus_header_reinit (header=header@entry=0x285aa58)
>    at dbus-marshal-header.c:448
>448     }
>(gdb) 
>dbus_message_new_empty_header () at dbus-message.c:1177
>1177          _dbus_string_set_length (&message->body, 0);
>(gdb) 
>
>_dbus_string_set_length (str=str@entry=0x285aaa0, length=length@entry=0)
>    at dbus-string.c:786
>786       return set_length (real, length);
>(gdb) 
>
>set_length (real=real@entry=0x285aaa0, new_length=new_length@entry=0)
>    at dbus-string.c:378
>378     {
>(gdb) 
>382       if (_DBUS_UNLIKELY (new_length > _DBUS_STRING_MAX_LENGTH))
>(gdb) 
>378     {
>(gdb) 
>382       if (_DBUS_UNLIKELY (new_length > _DBUS_STRING_MAX_LENGTH))
>(gdb) 
>384       else if (new_length > (real->allocated - _DBUS_STRING_ALLOCATION_PADDING) &&
>(gdb) 
>390           real->str[new_length] = '\0';
>(gdb) 
>389           real->len = new_length;
>(gdb) 
>390           real->str[new_length] = '\0';
>(gdb) 
>391           return TRUE;
>(gdb) 
>393     }
>(gdb) 
>dbus_message_new_empty_header () at dbus-message.c:1196
>1196    }
>(gdb) 
>dbus_message_new (message_type=2) at dbus-message.c:1218
>1218      if (message == NULL)
>(gdb) 
>1217      message = dbus_message_new_empty_header ();
>(gdb) 
>1218      if (message == NULL)
>(gdb) 
>1221      if (!_dbus_header_create (&message->header,
>(gdb) 
>
>_dbus_header_create (header=header@entry=0x285aa58, 
>    byte_order=byte_order@entry=108, message_type=message_type@entry=2, 
>    destination=destination@entry=0x0, path=path@entry=0x0, 
>
>    interface=interface@entry=0x0, member=member@entry=0x0, 
>    error_name=error_name@entry=0x0) at dbus-marshal-header.c:534
>534     {
>(gdb) 
>547       if (!reserve_header_padding (header))
>(gdb) 
>
>reserve_header_padding (header=0x285aa58, header@entry=0x285aa60)
>    at dbus-marshal-header.c:100
>100                                   MAX_POSSIBLE_HEADER_PADDING - header->padding))
>(gdb) 
>
>_dbus_header_create (header=header@entry=0x285aa58, 
>    byte_order=byte_order@entry=108, message_type=message_type@entry=2, 
>    destination=destination@entry=0x0, path=path@entry=0x0, 
>
>    interface=interface@entry=0x0, member=member@entry=0x0, 
>    error_name=error_name@entry=0x0) at dbus-marshal-header.c:534
>534     {
>(gdb) 
>547       if (!reserve_header_padding (header))
>(gdb) 
>
>reserve_header_padding (header=0x285aa58, header@entry=0x285aa60)
>    at dbus-marshal-header.c:99
>99        if (!_dbus_string_lengthen (&header->data,
>(gdb) 
>
>_dbus_string_lengthen (str=str@entry=0x285aa58, additional_length=7)
>    at dbus-string.c:744
>744       if (_DBUS_UNLIKELY (additional_length > _DBUS_STRING_MAX_LENGTH - real->len))
>(gdb) 
>
>747       return set_length (real,
>(gdb) 
>
>set_length (real=real@entry=0x285aa58, new_length=7) at dbus-string.c:378
>378     {
>(gdb) 
>
>382       if (_DBUS_UNLIKELY (new_length > _DBUS_STRING_MAX_LENGTH))
>(gdb) 
>378     {
>(gdb) 
>382       if (_DBUS_UNLIKELY (new_length > _DBUS_STRING_MAX_LENGTH))
>(gdb) 
>384       else if (new_length > (real->allocated - _DBUS_STRING_ALLOCATION_PADDING) &&
>(gdb) 
>390           real->str[new_length] = '\0';
>(gdb) 
>389           real->len = new_length;
>(gdb) 
>390           real->str[new_length] = '\0';
>(gdb) 
>391           return TRUE;
>(gdb) 
>393     }
>(gdb) 
>
>_dbus_header_create (header=header@entry=0x285aa58, 
>    byte_order=byte_order@entry=108, message_type=message_type@entry=2, 
>    destination=destination@entry=0x0, path=path@entry=0x0, 
>    interface=interface@entry=0x0, member=member@entry=0x0, 
>    error_name=error_name@entry=0x0) at dbus-marshal-header.c:548
>548         return FALSE;
>(gdb) 
>
>547       if (!reserve_header_padding (header))
>(gdb) 
>
>reserve_header_padding (header=0x285aa58, header@entry=0x285aa60)
>    at dbus-marshal-header.c:99
>99        if (!_dbus_string_lengthen (&header->data,
>(gdb) 
>_dbus_header_create (header=header@entry=0x285aa58, 
>    byte_order=byte_order@entry=108, message_type=message_type@entry=2, 
>    destination=destination@entry=0x0, path=path@entry=0x0, 
>    interface=interface@entry=0x0, member=member@entry=0x0, 
>    error_name=error_name@entry=0x0) at dbus-marshal-header.c:550
>550       _dbus_type_writer_init_values_only (&writer, byte_order,
>(gdb) 
>547       if (!reserve_header_padding (header))
>(gdb) 
>reserve_header_padding (header=0x285aa58, header@entry=0x285aa60)
>    at dbus-marshal-header.c:102
>102       header->padding = MAX_POSSIBLE_HEADER_PADDING;
>
>
>-----------------------------------------
>Now I decided to let it continue, to see whether the shutdown works without stepping manually.
>Output was:
>-----------------------------------------
>
>(gdb) c
>Continuing.
>
>Program received signal SIGPIPE, Broken pipe.
>0x0000003fb420e05d in write () at ../sysdeps/unix/syscall-template.S:81
>81      T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
>
>
>-----------------------------------------
>And the other terminal that executed "qdbus org.kde.ksmserver /KSMServer logout 0 2 2" said:
>-----------------------------------------
>
>
>Error: org.freedesktop.DBus.Error.NoReply
>Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
>
>
>
>-----------------------------------------
>No shutdown was performed after this attempt.
>-----------------------------------------
>
>
>
>
>Attempt 2
>_________
>
>-----------------------------------------
>Trying again without stepping:
>-----------------------------------------
>
>
>(gdb) break KSMServer::logout(int,int,int)
>Breakpoint 1 at 0x3f28627ee0: file /usr/src/debug/kde-workspace-4.11.3/ksmserver/shutdown.cpp, line 88.
>(gdb) c
>Continuing.
>
>Breakpoint 1, KSMServer::logout (this=0x2871620, confirm=0, sdtype=2, 
>    sdmode=2)
>    at /usr/src/debug/kde-workspace-4.11.3/ksmserver/shutdown.cpp:88
>88              sdtype = KWorkSpace::ShutdownTypeNone;
>(gdb) c
>Continuing.
>
>
>-----------------------------------------
>gdb keeps busy, I can not do 'Ctrl+D' in the terminal.
>-----------------------------------------
>
>
>-----------------------------------------
>When I do 'Ctrl+C' in the terminal, I get:
>-----------------------------------------
>
>^C
>Program received signal SIGINT, Interrupt.
>0x0000003fb3aeb7fd in poll () at ../sysdeps/unix/syscall-template.S:81
>81      T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
>(gdb) 
>
>
>-----------------------------------------
>And the other terminal that executed "qdbus org.kde.ksmserver /KSMServer logout 0 2 2" did end without warning.
>However, again, no shutdown was performed after this attempt.
>-----------------------------------------
>

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Attachments on bug 983110: 788563 | 833866 | 833895 | 915731