Application: kwin (4.11.7)
KDE Platform Version: 4.12.3
Qt Version: 4.8.5
Operating System: Linux 3.13.6-200.fc20.x86_64 x86_64
Distribution: "Fedora release 20 (Heisenbug)"

-- Information about the crash:
- What I was doing when the application crashed:

I logged in KDM then when the KDE Desktop appeared, I obtained a KWIN crash report

-- Backtrace:
Application: KWin (kwin), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
185	62:	movl	(%rsp), %edi
[Current thread is 1 (Thread 0x7fd9e0a75900 (LWP 1589))]

Thread 2 (Thread 0x7fd9d3ddc700 (LWP 1604)):
[KCrash Handler]
#5  0x000000396dc35c39 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#6  0x000000396dc37348 in __GI_abort () at abort.c:89
#7  0x00000039794311d5 in _dbus_abort () at dbus-sysdeps.c:94
#8  0x0000003979427a4e in _dbus_warn_check_failed (format=0x3979437640 "arguments to %s() were incorrect, assertion \"%s\" failed in file %s line %d.\nThis is normally a bug in some application using the D-Bus library.\n") at dbus-internals.c:290
#9  0x000000397b01c3b7 in q_dbus_pending_call_block (pending=<optimized out>) at qdbus_symbols_p.h:309
#10 QDBusConnectionPrivate::waitForFinished (this=0x813220, pcall=pcall@entry=0x98c210) at qdbusintegrator.cpp:1781
#11 0x000000397b05ce4c in QDBusPendingCallPrivate::waitForFinished (this=0x98c210) at qdbuspendingcall.cpp:245
#12 0x000000397b05d5a2 in QDBusPendingCallWatcher::waitForFinished (this=0x94a320) at qdbuspendingcall.cpp:531
#13 0x0000003550009a19 in KActivities::Consumer::listActivities() const () from /lib64/libkactivities.so.6
#14 0x0000003551334099 in KWin::fetchActivityListAndCurrent (controller=0x97d1b0) at /usr/src/debug/kde-workspace-4.11.7/kwin/activities.cpp:232
#15 0x0000003551336c18 in QtConcurrent::StoredFunctorCall1<QPair<QString, QStringList>, QPair<QString, QStringList> (*)(KActivities::Controller*), KActivities::Controller*>::runFunctor (this=0xa2e5c0) at /usr/include/QtCore/qtconcurrentstoredfunctioncall.h:267
#16 0x0000003551339567 in QtConcurrent::RunFunctionTask<QPair<QString, QStringList> >::run (this=0xa2e5c0) at /usr/include/QtCore/qtconcurrentrunbase.h:106
#17 0x000000397586f88e in QThreadPoolThread::run (this=0x94c600) at concurrent/qthreadpool.cpp:107
#18 0x000000397587c3af in QThreadPrivate::start (arg=0x94c600) at thread/qthread_unix.cpp:338
#19 0x00000039852aa8f4 in ?? () from /usr/lib64/nvidia-304xx/libGL.so.1
#20 0x000000396e807f33 in start_thread (arg=0x7fd9d3ddc700) at pthread_create.c:309
#21 0x000000396dcf4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fd9e0a75900 (LWP 1589)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000000397587c8d6 in wait (time=18446744073709551615, this=0x983500) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x983460, mutex=mutex@entry=0x983438, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x000000397586f28a in QThreadPoolPrivate::waitForDone (this=0x9833b0, msecs=msecs@entry=-1) at concurrent/qthreadpool.cpp:298
#4  0x0000003975870695 in QThreadPool::~QThreadPool (this=0x94ca10, __in_chrg=<optimized out>) at concurrent/qthreadpool.cpp:440
#5  0x00000039758706c9 in QThreadPool::~QThreadPool (this=0x94ca10, __in_chrg=<optimized out>) at concurrent/qthreadpool.cpp:442
#6  0x0000003975870d55 in QGlobalStaticDeleter<QThreadPool>::~QGlobalStaticDeleter (this=0x3975ceafe0 <theInstance()::cleanup>, __in_chrg=<optimized out>) at ../../src/corelib/global/qglobal.h:1950
#7  0x000000396dc394c9 in __run_exit_handlers (status=1, listp=0x396dfb86c8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#8  0x000000396dc39515 in __GI_exit (status=<optimized out>) at exit.c:104
#9  0x0000003976c34548 in qt_xio_errhandler () at kernel/qapplication_x11.cpp:772
#10 0x000000354c049510 in KApplication::xioErrhandler(_XDisplay*) () from /lib64/libkdeui.so.5
#11 0x0000003970c4515e in _XIOError (dpy=dpy@entry=0x848720) at XlibInt.c:1498
#12 0x0000003970c42b4d in _XEventsQueued (dpy=dpy@entry=0x848720, mode=mode@entry=2) at xcb_io.c:366
#13 0x0000003970c3456b in XEventsQueued (dpy=0x848720, mode=2) at Pending.c:43
#14 0x0000003976c6c622 in QEventDispatcherX11::processEvents (this=0x744c80, flags=...) at kernel/qeventdispatcher_x11.cpp:141
#15 0x0000003975982edf in QEventLoop::processEvents (this=this@entry=0x7fff4a879c90, flags=...) at kernel/qeventloop.cpp:149
#16 0x000000397598322d in QEventLoop::exec (this=this@entry=0x7fff4a879c90, flags=...) at kernel/qeventloop.cpp:204
#17 0x0000003975988749 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1221
#18 0x0000003976bc83fc in QApplication::exec () at kernel/qapplication.cpp:3823
#19 0x000000355127e411 in kdemain (argc=1, argv=0x7fff4a879f98) at /usr/src/debug/kde-workspace-4.11.7/kwin/main.cpp:597
#20 0x000000396dc21d65 in __libc_start_main (main=0x4009d0 <main(int, char**)>, argc=1, argv=0x7fff4a879f98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff4a879f88) at libc-start.c:285
#21 0x0000000000400a01 in _start ()

Possible duplicates by query: bug 325584.

Reported using DrKonqi