Application: kwin_x11 (5.5.5)
 (Compiled from sources)
Qt Version: 5.5.1
Operating System: Linux 4.4.3-300.fc23.x86_64 x86_64
Distribution: "Fedora release 23 (Twenty Three)"

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

when I open the file manager, file manager opens and appeared that error

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f129c54b940 (LWP 4506))]

Thread 5 (Thread 0x7f127272a700 (LWP 4623)):
#0  0x00007f1291436d63 in select () at /lib64/libc.so.6
#1  0x00007f129299352f in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007f129299502e in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /lib64/libQt5Core.so.5
#3  0x00007f129299555e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f129293eeca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f129275b434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f129a1739b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f12927603de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f1294b2d60a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f1291440a4d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f12694c1700 (LWP 4624)):
#0  0x00007f1294b32b10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f127106d3b3 in radeon_drm_cs_emit_ioctl () at /usr/lib64/dri/r600_dri.so
#2  0x00007f127106cb07 in impl_thrd_routine () at /usr/lib64/dri/r600_dri.so
#3  0x00007f1294b2d60a in start_thread () at /lib64/libpthread.so.0
#4  0x00007f1291440a4d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f12637fe700 (LWP 4698)):
#0  0x00007f1294b32b10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f129b331514 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f129b331559 in  () at /lib64/libQt5Script.so.5
#3  0x00007f1294b2d60a in start_thread () at /lib64/libpthread.so.0
#4  0x00007f1291440a4d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f12731d2700 (LWP 6822)):
#0  0x00007f1291436d63 in select () at /lib64/libc.so.6
#1  0x00007f129299352f in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007f129299502e in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /lib64/libQt5Core.so.5
#3  0x00007f129299555e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f129293eeca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f129275b434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f129a1739b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f12927603de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f1294b2d60a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f1291440a4d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f129c54b940 (LWP 4506)):
[KCrash Handler]
#5  0x00007f129a0366ca in toVariant(QV4::ExecutionEngine*, QV4::Value const&, int, bool, QSet<QV4::Heap::Object*>*) () at /lib64/libQt5Qml.so.5
#6  0x00007f129a036994 in QV4::ExecutionEngine::toVariant(QV4::Value const&, int, bool) () at /lib64/libQt5Qml.so.5
#7  0x00007f129a0f20b0 in QQmlPropertyPrivate::writeBinding(QObject*, QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /lib64/libQt5Qml.so.5
#8  0x00007f129a15ff0f in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /lib64/libQt5Qml.so.5
#9  0x00007f129a169426 in QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at /lib64/libQt5Qml.so.5
#10 0x00007f129a0f3ede in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () at /lib64/libQt5Qml.so.5
#11 0x00007f129a0f3fa7 in QQmlComponentPrivate::completeCreate() () at /lib64/libQt5Qml.so.5
#12 0x00007f129a0f3e10 in QQmlComponent::create(QQmlContext*) () at /lib64/libQt5Qml.so.5
#13 0x00007f12727489a9 in Aurorae::Decoration::init() () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#14 0x00007f129bf5418a in KWin::Decoration::DecorationBridge::createDecoration(KWin::Client*) () at /lib64/libkwin.so.5
#15 0x00007f129be1d529 in KWin::Client::createDecoration(QRect const&) () at /lib64/libkwin.so.5
#16 0x00007f129be26f57 in KWin::Client::updateDecoration(bool, bool) () at /lib64/libkwin.so.5
#17 0x00007f129be8392e in KWin::Client::manage(unsigned int, bool) () at /lib64/libkwin.so.5
#18 0x00007f129be0835f in KWin::Workspace::createClient(unsigned int, bool) () at /lib64/libkwin.so.5
#19 0x00007f129be663de in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /lib64/libkwin.so.5
#20 0x00007f129293e05f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /lib64/libQt5Core.so.5
#21 0x00007f127a2af534 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /lib64/libQt5XcbQpa.so.5
#22 0x00007f127a2b0433 in QXcbConnection::processXcbEvents() () at /lib64/libQt5XcbQpa.so.5
#23 0x00007f1292971161 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#24 0x00007f129362641c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#25 0x00007f129362b8e6 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#26 0x00007f129294173b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#27 0x00007f1292943b36 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#28 0x00007f1292995422 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#29 0x00007f127a31496d in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#30 0x00007f129293eeca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#31 0x00007f1292946fac in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#32 0x00007f129c251c33 in kdemain () at /lib64/libkdeinit5_kwin_x11.so
#33 0x00007f129135e580 in __libc_start_main () at /lib64/libc.so.6
#34 0x0000561060f4fd99 in _start ()

Possible duplicates by query: bug 359749, bug 359284, bug 358558, bug 357654, bug 357511.

Reported using DrKonqi