Application: kwin (4.5.1 (KDE 4.5.1))
KDE Platform Version: 4.5.1 (KDE 4.5.1) (Compiled from sources)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic i686
Distribution: Ubuntu 10.10

-- Information about the crash:
The Dextop Effect become suspendent when any crash takes place and also when I start my computer.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7704720 (LWP 1450))]

Thread 2 (Thread 0xae01db70 (LWP 1454)):
#0  0x00e45416 in __kernel_vsyscall ()
#1  0x00aef381 in select () from /lib/libc.so.6
#2  0x060fd872 in qt_safe_select (nfds=18, fdread=0x8894438, fdwrite=0x889464c, fdexcept=0x8894860, orig_timeout=0x0) at kernel/qcore_unix.cpp:82
#3  0x06102329 in QEventDispatcherUNIX::select (this=0x8891a20, nfds=18, readfds=0x8894438, writefds=0x889464c, exceptfds=0x8894860, timeout=0x0) at kernel/qeventdispatcher_unix.cpp:632
#4  0x06102eac in QEventDispatcherUNIXPrivate::doSelect (this=0x8894340, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:219
#5  0x06103c25 in QEventDispatcherUNIX::processEvents (this=0x8891a20, flags=...) at kernel/qeventdispatcher_unix.cpp:919
#6  0x060d0609 in QEventLoop::processEvents (this=0xae01d280, flags=) at kernel/qeventloop.cpp:149
#7  0x060d0a8a in QEventLoop::exec (this=0xae01d280, flags=...) at kernel/qeventloop.cpp:201
#8  0x05fccb7e in QThread::exec (this=0x87fb970) at thread/qthread.cpp:490
#9  0x060af35b in QInotifyFileSystemWatcherEngine::run (this=0x87fb970) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x05fcfdf9 in QThreadPrivate::start (arg=0x87fb970) at thread/qthread_unix.cpp:266
#11 0x006f3cc9 in start_thread () from /lib/libpthread.so.0
#12 0x00af66ae in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb7704720 (LWP 1450)):
[KCrash Handler]
#7  Aurorae::AuroraeScene::isActive (this=0x84651a0) at ../../../../../kwin/clients/aurorae/src/lib/auroraescene.cpp:588
#8  0x06d9e023 in Aurorae::AuroraeTab::qt_metacall (this=0x84651a0, _c=138362052, _id=24, _a=0xbf9e834c) at moc_auroraetab.cpp:87
#9  0x060d78ca in QMetaObject::metacall (object=0x84651a0, cl=3214836556, idx=24, argv=0xbf9e834c) at kernel/qmetaobject.cpp:237
#10 0x060ea6ad in QMetaObject::activate (sender=0x851cb98, m=0x6db5230, local_signal_index=20, argv=0x0) at kernel/qobject.cpp:3280
#11 0x06d9d817 in Aurorae::AuroraeScene::activeChanged (this=0x851cb98) at moc_auroraescene.cpp:308
#12 0x06da5422 in Aurorae::AuroraeScene::setActive (this=0x851cb98, active=false, animate=true) at ../../../../../kwin/clients/aurorae/src/lib/auroraescene.cpp:607
#13 0x06d9f9ea in Aurorae::AuroraeClient::activeChange (this=0x8514b58) at ../../../../../kwin/clients/aurorae/src/aurorae.cpp:210
#14 0x005c4679 in KWin::Client::setActive (this=0x8371918, act=false) at ../../kwin/activation.cpp:902
#15 0x005c4365 in KWin::Workspace::setActiveClient (this=0xb4ef5938, c=0x0) at ../../kwin/activation.cpp:236
#16 0x005c5a3a in KWin::Workspace::activateNextClient (this=0xb4ef5938, c=0x8371918) at ../../kwin/activation.cpp:425
#17 0x00579a77 in KWin::Client::releaseWindow (this=0x8371918, on_shutdown=false) at ../../kwin/client.cpp:244
#18 0x005af8dd in KWin::Client::unmapNotifyEvent (this=0x8371918, e=0xbf9e8afc) at ../../kwin/events.cpp:809
#19 0x005b0fa4 in KWin::Client::windowEvent (this=0x8371918, e=0xbf9e8afc) at ../../kwin/events.cpp:655
#20 0x005b17e4 in KWin::Workspace::workspaceEvent (this=0xb4ef5938, e=0xbf9e8afc) at ../../kwin/events.cpp:307
#21 0x00588b32 in KWin::Application::x11EventFilter (this=0xbf9e8ce4, e=0xbf9e8afc) at ../../kwin/main.cpp:363
#22 0x03a18eb0 in qt_x11EventFilter (ev=0xbf9e8afc) at kernel/qapplication_x11.cpp:408
#23 0x03a29ab0 in QApplication::x11ProcessEvent (this=0xbf9e8ce4, event=0xbf9e8afc) at kernel/qapplication_x11.cpp:3248
#24 0x03a5afc7 in QEventDispatcherX11::processEvents (this=0x8330980, flags=...) at kernel/qeventdispatcher_x11.cpp:132
#25 0x060d0609 in QEventLoop::processEvents (this=0xbf9e8c34, flags=) at kernel/qeventloop.cpp:149
#26 0x060d0a8a in QEventLoop::exec (this=0xbf9e8c34, flags=...) at kernel/qeventloop.cpp:201
#27 0x060d500f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#28 0x03996e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#29 0x0058ac54 in kdemain (argc=1, argv=0xbf9e8f44) at ../../kwin/main.cpp:531
#30 0x080485ab in main (argc=1, argv=0xbf9e8f44) at kwin_dummy.cpp:3

Possible duplicates by query: bug 242791.

Reported using DrKonqi