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

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

Changing deskop effects (turn on glide or explosion) after update from kde 4.9.4 to 4.10.

The crash can be reproduced every time.

-- 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 0x7f9a2e4197c0 (LWP 2989))]

Thread 3 (Thread 0x7f9a26b89700 (LWP 2999)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f9a4105ecd7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f9a4105ed09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f9a405ff764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#4  0x00007f9a38a83e9a in start_thread (arg=0x7f9a26b89700) at pthread_create.c:308
#5  0x00007f9a44767cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9a24fbc700 (LWP 3005)):
#0  0x00007f9a3faf4c3a in QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7f9a18000940, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:189
#1  0x00007f9a3faf5572 in QEventDispatcherUNIX::processEvents (this=0x7f9a18000920, flags=...) at kernel/qeventdispatcher_unix.cpp:926
#2  0x00007f9a3fac32bf in QEventLoop::processEvents (this=this@entry=0x7f9a24fbbcd0, flags=...) at kernel/qeventloop.cpp:149
#3  0x00007f9a3fac3548 in QEventLoop::exec (this=0x7f9a24fbbcd0, flags=...) at kernel/qeventloop.cpp:204
#4  0x00007f9a3f9c4b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#5  0x00007f9a3faa39af in QInotifyFileSystemWatcherEngine::run (this=0x2606920) at io/qfilesystemwatcher_inotify.cpp:248
#6  0x00007f9a3f9c7aec in QThreadPrivate::start (arg=0x2606920) at thread/qthread_unix.cpp:338
#7  0x00007f9a405ff764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#8  0x00007f9a38a83e9a in start_thread (arg=0x7f9a24fbc700) at pthread_create.c:308
#9  0x00007f9a44767cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9a2e4197c0 (LWP 2989)):
[KCrash Handler]
#6  0x0000007400660065 in ?? ()
#7  0x00007f9a436e8dd7 in QDeclarativeItem::~QDeclarativeItem (this=0x2545f40, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#8  0x00007f9a436ac6ee in ~QDeclarativeElement (this=0x2545f40, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#9  QDeclarativePrivate::QDeclarativeElement<QDeclarativeItem>::~QDeclarativeElement (this=0x2545f40, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#10 0x00007f9a3fad9468 in QObject::event (this=0x2545f40, e=<optimized out>) at kernel/qobject.cpp:1176
#11 0x00007f9a3ee6be9c in QApplicationPrivate::notify_helper (this=this@entry=0x2093f30, receiver=receiver@entry=0x2545f40, e=e@entry=0x21dd710) at kernel/qapplication.cpp:4562
#12 0x00007f9a3ee7030a in QApplication::notify (this=0x7fffd47baf30, receiver=0x2545f40, e=0x21dd710) at kernel/qapplication.cpp:4423
#13 0x00007f9a44255636 in KApplication::notify (this=0x7fffd47baf30, receiver=0x2545f40, event=0x21dd710) at ../../kdeui/kernel/kapplication.cpp:311
#14 0x00007f9a3fac456e in QCoreApplication::notifyInternal (this=0x7fffd47baf30, receiver=receiver@entry=0x2545f40, event=event@entry=0x21dd710) at kernel/qcoreapplication.cpp:915
#15 0x00007f9a3fac83f1 in sendEvent (event=0x21dd710, receiver=0x2545f40) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1fd81f0) at kernel/qcoreapplication.cpp:1539
#17 0x00007f9a3ef1189c in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#18 QEventDispatcherX11::processEvents (this=0x1fd9ad0, flags=...) at kernel/qeventdispatcher_x11.cpp:75
#19 0x00007f9a3fac32bf in QEventLoop::processEvents (this=this@entry=0x7fffd47bac40, flags=...) at kernel/qeventloop.cpp:149
#20 0x00007f9a3fac3548 in QEventLoop::exec (this=0x7fffd47bac40, flags=...) at kernel/qeventloop.cpp:204
#21 0x00007f9a3fac8708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#22 0x00007f9a44a9ad5a in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#23 0x00007f9a4469576d in __libc_start_main (main=0x4006a0, argc=3, ubp_av=0x7fffd47bb078, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd47bb068) at libc-start.c:226
#24 0x00000000004006d1 in _start ()

Possible duplicates by query: bug 314445, bug 313132, bug 312399, bug 312230, bug 311110.

Reported using DrKonqi