Application: kwin (4.10.5)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.9.9-302.fc19.x86_64 x86_64
Distribution: "Fedora release 19 (Schrödinger’s Cat)"

-- Information about the crash:
- What I was doing when the application crashed:
Changed color scheme and clicked Apply, Kwin then crashed and restarted.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
38		cmpq $-4095, %rax	/* Check %rax for error.  */
[Current thread is 1 (Thread 0x7fa196be48c0 (LWP 1065))]

Thread 3 (Thread 0x7fa17a3bd700 (LWP 1089)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003f8a98609b in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x3f8ac83f00 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x0000003f8a9860d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003f68207c53 in start_thread (arg=0x7fa17a3bd700) at pthread_create.c:308
#4  0x0000003f67ef513d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fa18a7b2700 (LWP 4260)):
[KCrash Handler]
#6  0x0000003f71e7c570 in length (this=this@entry=0x2dac3b8) at tools/qbytearray.h:356
#7  qstrcmp (str1=..., str2=...) at tools/qbytearray.cpp:344
#8  0x00000038e04ae9d5 in operator< (k2=..., k1=...) at /usr/src/debug/kdelibs-4.10.5/kdecore/config/kconfigdata.h:126
#9  qMapLessThanKey<KEntryKey> (key2=..., key1=...) at /usr/include/QtCore/qmap.h:107
#10 findNode (akey=..., this=0x233b3c0) at /usr/include/QtCore/qmap.h:487
#11 find (akey=..., this=0x233b3c0) at /usr/include/QtCore/qmap.h:608
#12 KEntryMap::findEntry (this=this@entry=0x233b3c0, group=..., key=..., flags=...) at /usr/src/debug/kdelibs-4.10.5/kdecore/config/kconfigdata.cpp:79
#13 0x00000038e04a830b in getEntryOption (option=KEntryMap::EntryImmutable, flags=..., key=..., group=..., this=0x233b3c0) at /usr/src/debug/kdelibs-4.10.5/kdecore/config/kconfigdata.h:206
#14 KConfig::isGroupImmutableImpl (this=<optimized out>, aGroup=...) at /usr/src/debug/kdelibs-4.10.5/kdecore/config/kconfig.cpp:750
#15 0x00000038e04b2491 in KConfigGroupPrivate (name=..., owner=..., this=0x7fa184052b70) at /usr/src/debug/kdelibs-4.10.5/kdecore/config/kconfiggroup.cpp:55
#16 KConfigGroup::KConfigGroup (this=0x7fa18a7b1800, master=..., _group=<optimized out>) at /usr/src/debug/kdelibs-4.10.5/kdecore/config/kconfiggroup.cpp:493
#17 0x00000038e05f48b1 in KSycocaPrivate::KSycocaPrivate (this=0x7fa184006150) at /usr/src/debug/kdelibs-4.10.5/kdecore/sycoca/ksycoca.cpp:106
#18 0x00000038e05f4963 in KSycoca::KSycoca (this=0x7fa1840008c0) at /usr/src/debug/kdelibs-4.10.5/kdecore/sycoca/ksycoca.cpp:181
#19 0x00000038e05f4e0d in sycoca (this=<optimized out>) at /usr/src/debug/kdelibs-4.10.5/kdecore/sycoca/ksycoca.cpp:166
#20 KSycoca::self () at /usr/src/debug/kdelibs-4.10.5/kdecore/sycoca/ksycoca.cpp:295
#21 0x00000038e05f94b3 in KSycocaFactory::KSycocaFactory (this=0x7fa1840018b0, factory_id=KST_KServiceTypeFactory) at /usr/src/debug/kdelibs-4.10.5/kdecore/sycoca/ksycocafactory.cpp:53
#22 0x00000038e0585d2e in KServiceTypeFactory::KServiceTypeFactory (this=0x7fa1840018b0) at /usr/src/debug/kdelibs-4.10.5/kdecore/services/kservicetypefactory.cpp:31
#23 0x00000038e0586162 in self (this=<optimized out>) at /usr/src/debug/kdelibs-4.10.5/kdecore/sycoca/ksycocafactory.h:200
#24 KServiceTypeFactory::self () at /usr/src/debug/kdelibs-4.10.5/kdecore/services/kservicetypefactory.cpp:65
#25 0x00000038e0586bdf in KServiceTypeProfiles::ensureParsed (this=this@entry=0x2497740) at /usr/src/debug/kdelibs-4.10.5/kdecore/services/kservicetypeprofile.cpp:71
#26 0x00000038e0587a5b in ensureParsed (this=0x2497740) at /usr/src/debug/kdelibs-4.10.5/kdecore/services/kservicetypeprofile.cpp:66
#27 hasProfile (serviceType=..., this=0x2497740) at /usr/src/debug/kdelibs-4.10.5/kdecore/services/kservicetypeprofile.cpp:50
#28 KServiceTypeProfile::hasProfile (serviceType=...) at /usr/src/debug/kdelibs-4.10.5/kdecore/services/kservicetypeprofile.cpp:173
#29 0x00000038e058a5f2 in KServiceTypeTrader::query (this=0x2450c50, serviceType=..., constraint=...) at /usr/src/debug/kdelibs-4.10.5/kdecore/services/kservicetypetrader.cpp:137
#30 0x0000003fa98d9ce0 in QtConcurrent::StoredConstMemberFunctionPointerCall2<QList<KSharedPtr<KService> >, KServiceTypeTrader, QString const&, QString, QString const&, QString>::runFunctor (this=0x29c9fa0) at /usr/include/QtCore/qtconcurrentstoredfunctioncall.h:638
#31 0x0000003fa98db8f5 in QtConcurrent::RunFunctionTask<QList<KSharedPtr<KService> > >::run (this=0x29c9fa0) at /usr/include/QtCore/qtconcurrentrunbase.h:106
#32 0x0000003f71e6e83e in QThreadPoolThread::run (this=0x24780f0) at concurrent/qthreadpool.cpp:107
#33 0x0000003f71e7accf in QThreadPrivate::start (arg=0x24780f0) at thread/qthread_unix.cpp:338
#34 0x0000003f68207c53 in start_thread (arg=0x7fa18a7b2700) at pthread_create.c:308
#35 0x0000003f67ef513d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fa196be48c0 (LWP 1065)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x0000003f71e797a3 in _q_futex (val2=0, addr2=0x0, timeout=0x0, val=2, op=0, addr=0x22a16a0) at thread/qmutex_unix.cpp:99
#2  QMutexPrivate::wait (this=this@entry=0x22a16a0, timeout=timeout@entry=-1) at thread/qmutex_unix.cpp:113
#3  0x0000003f71e75c95 in QMutex::lockInternal (this=this@entry=0x2497748) at thread/qmutex.cpp:450
#4  0x00000038e05879c9 in lockInline (this=0x2497748) at /usr/include/QtCore/qmutex.h:190
#5  QMutexLocker (m=0x2497748, this=<synthetic pointer>) at /usr/include/QtCore/qmutex.h:109
#6  hasProfile (serviceType=..., this=0x2497740) at /usr/src/debug/kdelibs-4.10.5/kdecore/services/kservicetypeprofile.cpp:49
#7  KServiceTypeProfile::hasProfile (serviceType=...) at /usr/src/debug/kdelibs-4.10.5/kdecore/services/kservicetypeprofile.cpp:173
#8  0x00000038e058a5f2 in KServiceTypeTrader::query (this=0x2450c50, serviceType=..., constraint=...) at /usr/src/debug/kdelibs-4.10.5/kdecore/services/kservicetypetrader.cpp:137
#9  0x0000003fa98e2262 in KWin::Scripting::queryScriptsToLoad (this=this@entry=0x24a8e10) at /usr/src/debug/kde-workspace-4.10.5/kwin/scripting/scripting.cpp:612
#10 0x0000003fa98e2e69 in KWin::Scripting::start (this=0x24a8e10) at /usr/src/debug/kde-workspace-4.10.5/kwin/scripting/scripting.cpp:587
#11 0x0000003fa98e3015 in KWin::Scripting::qt_static_metacall (_o=0x22a16a0, _id=0, _a=0x7fff0c06bdd0, _c=<optimized out>) at /usr/src/debug/kde-workspace-4.10.5/x86_64-redhat-linux-gnu/kwin/scripting.moc:342
#12 0x0000003f71f8dadc in QMetaObject::activate (sender=sender@entry=0x23e6e80, m=m@entry=0x3fa9b46fe0 <KWin::Workspace::staticMetaObject>, local_signal_index=local_signal_index@entry=13, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#13 0x0000003fa984662a in configChanged (this=0x23e6e80) at /usr/src/debug/kde-workspace-4.10.5/x86_64-redhat-linux-gnu/kwin/workspace.moc:486
#14 KWin::Workspace::slotReconfigure (this=0x23e6e80) at /usr/src/debug/kde-workspace-4.10.5/kwin/workspace.cpp:1022
#15 0x0000003fa9846f4a in KWin::Workspace::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at /usr/src/debug/kde-workspace-4.10.5/x86_64-redhat-linux-gnu/kwin/workspace.moc:317
#16 0x0000003f71f8dadc in QMetaObject::activate (sender=0x23e7150, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#17 0x0000003f71f91c61 in QObject::event (this=0x23e7150, e=<optimized out>) at kernel/qobject.cpp:1156
#18 0x00000038e0bc846c in QApplicationPrivate::notify_helper (this=this@entry=0x229e200, receiver=receiver@entry=0x23e7150, e=e@entry=0x7fff0c06c3d0) at kernel/qapplication.cpp:4562
#19 0x00000038e0bcea30 in QApplication::notify (this=this@entry=0x7fff0c06c8a0, receiver=receiver@entry=0x23e7150, e=e@entry=0x7fff0c06c3d0) at kernel/qapplication.cpp:4348
#20 0x00000038e2a415ba in KApplication::notify (this=0x7fff0c06c8a0, receiver=0x23e7150, event=0x7fff0c06c3d0) at /usr/src/debug/kdelibs-4.10.5/kdeui/kernel/kapplication.cpp:311
#21 0x0000003f71f79f7d in QCoreApplication::notifyInternal (this=0x7fff0c06c8a0, receiver=0x23e7150, event=0x7fff0c06c3d0) at kernel/qcoreapplication.cpp:949
#22 0x0000003f71fa9663 in sendEvent (event=<optimized out>, receiver=<optimized out>) at kernel/qcoreapplication.h:231
#23 QTimerInfoList::activateTimers (this=0x229ebf8) at kernel/qeventdispatcher_unix.cpp:622
#24 0x0000003f71fa96e0 in QEventDispatcherUNIX::activateTimers (this=this@entry=0x2236aa0) at kernel/qeventdispatcher_unix.cpp:879
#25 0x0000003f71fa9ff0 in QEventDispatcherUNIX::processEvents (this=this@entry=0x2236aa0, flags=...) at kernel/qeventdispatcher_unix.cpp:941
#26 0x00000038e0c65676 in QEventDispatcherX11::processEvents (this=0x2236aa0, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#27 0x0000003f71f78bdf in QEventLoop::processEvents (this=this@entry=0x7fff0c06c710, flags=...) at kernel/qeventloop.cpp:149
#28 0x0000003f71f78ed5 in QEventLoop::exec (this=this@entry=0x7fff0c06c710, flags=...) at kernel/qeventloop.cpp:204
#29 0x0000003f71f7dfbb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1221
#30 0x00000038e0bc6c2c in QApplication::exec () at kernel/qapplication.cpp:3823
#31 0x0000003fa986744f in kdemain (argc=1, argv=0x7fff0c06c9e8) at /usr/src/debug/kde-workspace-4.10.5/kwin/main.cpp:537
#32 0x0000003f67e21b75 in __libc_start_main (main=0x400960 <main(int, char**)>, argc=1, ubp_av=0x7fff0c06c9e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff0c06c9d8) at libc-start.c:258
#33 0x0000000000400991 in _start ()

Possible duplicates by query: bug 321164, bug 306806.

Reported using DrKonqi