Application: kwin (4.11.9)
KDE Platform Version: 4.13.0
Qt Version: 4.8.6
Operating System: Linux 3.14.2-200.fc20.i686+PAE i686
Distribution: "Fedora release 20 (Heisenbug)"

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

KDE has just booted when the window with kwin crash appeared.

-- Backtrace:
Application: KWin (kwin), signal: Aborted
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb082a800 (LWP 2223))]

Thread 2 (Thread 0xad6f7b40 (LWP 2227)):
#0  0xb7739424 in __kernel_vsyscall ()
#1  0xb5e437ac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7059a52 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib/libQtScript.so.4
#3  0xb7059aa0 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib/libQtScript.so.4
#4  0xb5e3fd8a in start_thread () from /lib/libpthread.so.0
#5  0xb504da0e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb082a800 (LWP 2223)):
[KCrash Handler]
#6  0xb7739424 in __kernel_vsyscall ()
#7  0xb4f84b96 in raise () from /lib/libc.so.6
#8  0xb4f863d3 in abort () from /lib/libc.so.6
#9  0xb4f7dc27 in __assert_fail_base () from /lib/libc.so.6
#10 0xb4f7dcd7 in __assert_fail () from /lib/libc.so.6
#11 0xab1401e8 in brw_get_graphics_reset_status () from /usr/lib/dri/i965_dri.so
#12 0xaae810e8 in _mesa_GetGraphicsResetStatusARB () from /usr/lib/dri/i965_dri.so
#13 0xb1ed46ef in shared_dispatch_stub_807 () from /lib/libglapi.so.0
#14 0xb75feba5 in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () from /lib/libkdeinit4_kwin.so
#15 0xb75deb18 in KWin::Compositor::performCompositing() () from /lib/libkdeinit4_kwin.so
#16 0xb75e013e in KWin::Compositor::slotCompositingOptionsInitialized() () from /lib/libkdeinit4_kwin.so
#17 0xb7553cb0 in KWin::Compositor::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.104] () from /lib/libkdeinit4_kwin.so
#18 0xb5fefe35 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /lib/libQtCore.so.4
#19 0xb603ff46 in QFutureWatcherBase::finished() () from /lib/libQtCore.so.4
#20 0xb5eab27c in QFutureWatcherBasePrivate::sendCallOutEvent(QFutureCallOutEvent*) () from /lib/libQtCore.so.4
#21 0xb5eab55c in QFutureWatcherBase::event(QEvent*) () from /lib/libQtCore.so.4
#22 0xb54794a4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/libQtGui.so.4
#23 0xb54803f9 in QApplication::notify(QObject*, QEvent*) () from /lib/libQtGui.so.4
#24 0xb6694ce0 in KApplication::notify(QObject*, QEvent*) () from /lib/libkdeui.so.5
#25 0xb758b90a in KWin::Application::notify(QObject*, QEvent*) () from /lib/libkdeinit4_kwin.so
#26 0xb5fda096 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib/libQtCore.so.4
#27 0xb5fdd5fa in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/libQtCore.so.4
#28 0xb5fddafd in QCoreApplication::sendPostedEvents(QObject*, int) () from /lib/libQtCore.so.4
#29 0xb553052a in QEventDispatcherX11::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtGui.so.4
#30 0xb5fd8940 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtCore.so.4
#31 0xb5fd8cd1 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQtCore.so.4
#32 0xb5fdeb0b in QCoreApplication::exec() () from /lib/libQtCore.so.4
#33 0xb54777b5 in QApplication::exec() () from /lib/libQtGui.so.4
#34 0xb758cccc in kdemain () from /lib/libkdeinit4_kwin.so
#35 0x0804884c in main ()

Reported using DrKonqi