Application: kwin (4.10.00)
KDE Platform Version: 4.10.00
Qt Version: 4.8.3
Operating System: Linux 3.5.0-23-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
kwin crashes when changing window decorations

started crashing after disabling some desktop effects

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd8d7d017c0 (LWP 6056))]

Thread 3 (Thread 0x7fd8cbfff700 (LWP 6060)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fd8e86ddcd7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fd8e86ddd09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fd8e01bbe9a in start_thread (arg=0x7fd8cbfff700) at pthread_create.c:308
#4  0x00007fd8ebde6cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd8c27b6700 (LWP 6117)):
#0  0x00007fff304c5827 in clock_gettime ()
#1  0x00007fd8e0ded15d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#2  0x00007fd8e71559c4 in do_gettime (frac=0x7fd8c27b5be8, sec=0x7fd8c27b5be0) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007fd8e722b41d in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fd8bc001178) at kernel/qeventdispatcher_unix.cpp:343
#5  0x00007fd8e722b763 in QTimerInfoList::timerWait (this=this@entry=0x7fd8bc001178, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#6  0x00007fd8e722d5f4 in QEventDispatcherUNIX::processEvents (this=0x7fd8bc0008f0, flags=...) at kernel/qeventdispatcher_unix.cpp:913
#7  0x00007fd8e71fb2bf in QEventLoop::processEvents (this=this@entry=0x7fd8c27b5d90, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007fd8e71fb548 in QEventLoop::exec (this=0x7fd8c27b5d90, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007fd8e70fcb10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007fd8e71db9af in QInotifyFileSystemWatcherEngine::run (this=0x1fd23f0) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007fd8e70ffaec in QThreadPrivate::start (arg=0x1fd23f0) at thread/qthread_unix.cpp:338
#12 0x00007fd8e01bbe9a in start_thread (arg=0x7fd8c27b6700) at pthread_create.c:308
#13 0x00007fd8ebde6cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd8d7d017c0 (LWP 6056)):
[KCrash Handler]
#6  0x00007fd8ead67dd4 in QDeclarativeItem::~QDeclarativeItem (this=0x25b69d0, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007fd8ead2b6ee in ~QDeclarativeElement (this=0x25b69d0, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<QDeclarativeItem>::~QDeclarativeElement (this=0x25b69d0, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#9  0x00007fd8e7211468 in QObject::event (this=0x25b69d0, e=<optimized out>) at kernel/qobject.cpp:1176
#10 0x00007fd8e65a3e9c in QApplicationPrivate::notify_helper (this=this@entry=0x1f56e80, receiver=receiver@entry=0x25b69d0, e=e@entry=0x213cbd0) at kernel/qapplication.cpp:4562
#11 0x00007fd8e65a830a in QApplication::notify (this=0x7fff30444290, receiver=0x25b69d0, e=0x213cbd0) at kernel/qapplication.cpp:4423
#12 0x00007fd8eb8d4636 in KApplication::notify (this=0x7fff30444290, receiver=0x25b69d0, event=0x213cbd0) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007fd8e71fc56e in QCoreApplication::notifyInternal (this=0x7fff30444290, receiver=receiver@entry=0x25b69d0, event=event@entry=0x213cbd0) at kernel/qcoreapplication.cpp:915
#14 0x00007fd8e72003f1 in sendEvent (event=0x213cbd0, receiver=0x25b69d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1efb1f0) at kernel/qcoreapplication.cpp:1539
#16 0x00007fd8e664989c in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#17 QEventDispatcherX11::processEvents (this=0x1efcad0, flags=...) at kernel/qeventdispatcher_x11.cpp:75
#18 0x00007fd8e71fb2bf in QEventLoop::processEvents (this=this@entry=0x7fff30443fa0, flags=...) at kernel/qeventloop.cpp:149
#19 0x00007fd8e71fb548 in QEventLoop::exec (this=0x7fff30443fa0, flags=...) at kernel/qeventloop.cpp:204
#20 0x00007fd8e7200708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#21 0x00007fd8ec119d5a in kdemain (argc=1, argv=0x7fff304443d8) at ../../kwin/main.cpp:537
#22 0x00007fd8ebd1476d in __libc_start_main (main=0x4006a0 <main(int, char**)>, argc=1, ubp_av=0x7fff304443d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff304443c8) at libc-start.c:226
#23 0x00000000004006d1 in _start ()

This bug may be a duplicate of or related to bug 311018.

Possible duplicates by query: bug 314737, bug 314716, bug 314606, bug 314508, bug 314445.

Reported using DrKonqi