Application: kwin_x11 (5.9.5)

Qt Version: 5.8.0
Frameworks Version: 5.34.0
Operating System: Linux 4.11.2-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

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

Sempre que inicia o sistema aparece essa falha
Ocorreu após atualização do kwin

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc1c082c840 (LWP 649))]

Thread 12 (Thread 0x7fc1825e9700 (LWP 761)):
#0  0x00007fc1b94b0756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc1bc827234 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fc1bc827279 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fc1b94aa2e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc1c026e54f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fc183768700 (LWP 731)):
#0  0x00007fc1b94b0756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc18a88e66b in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007fc18a88e397 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007fc1b94aa2e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc1c026e54f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fc183f69700 (LWP 730)):
#0  0x00007fc1b94b0756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc18a88e66b in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007fc18a88e397 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007fc1b94aa2e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc1c026e54f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fc18476a700 (LWP 729)):
#0  0x00007fc1b94b0756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc18a88e66b in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007fc18a88e397 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007fc1b94aa2e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc1c026e54f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fc184f6b700 (LWP 728)):
#0  0x00007fc1b94b0756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc18a88e66b in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007fc18a88e397 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007fc1b94aa2e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc1c026e54f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fc185971700 (LWP 727)):
#0  0x00007fc1b94b0756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc18a88e66b in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007fc18a88e397 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007fc1b94aa2e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc1c026e54f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fc186172700 (LWP 726)):
#0  0x00007fc1b94b0756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc18a88e66b in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007fc18a88e397 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007fc1b94aa2e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc1c026e54f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fc19d285700 (LWP 723)):
[KCrash Handler]
#6  0x00007fc1bd7c7da0 in QLockFile::isLocked() const () at /usr/lib/libQt5Core.so.5
#7  0x00007fc1bf5d3d42 in  () at /usr/lib/libKF5ConfigCore.so.5
#8  0x00007fc1bf5b7ad8 in KConfig::sync() () at /usr/lib/libKF5ConfigCore.so.5
#9  0x00007fc1a44203c4 in  () at /usr/lib/qt/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#10 0x00007fc1bd8c40ee in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#11 0x00007fc1bd8d0dc8 in QTimer::timerEvent(QTimerEvent*) () at /usr/lib/libQt5Core.so.5
#12 0x00007fc1bd8c4b93 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#13 0x00007fc1be57a34c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#14 0x00007fc1be581b61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#15 0x00007fc1bd898470 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#16 0x00007fc1bd8ebcee in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#17 0x00007fc1bd8e9c0a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#18 0x00007fc1bd8968ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#19 0x00007fc1bd6b8a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#20 0x00007fc1bd6bd6d8 in  () at /usr/lib/libQt5Core.so.5
#21 0x00007fc1b94aa2e7 in start_thread () at /usr/lib/libpthread.so.0
#22 0x00007fc1c026e54f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fc19e306700 (LWP 719)):
#0  0x00007fc1c026476b in ppoll () at /usr/lib/libc.so.6
#1  0x00007fc1bd8e8329 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc1bd8e999a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007fc1bd8968ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc1bd6b8a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007fc1b81d1085 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007fc1bd6bd6d8 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fc1b94aa2e7 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fc1c026e54f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fc1a4e42700 (LWP 698)):
#0  0x00007fc1c026476b in ppoll () at /usr/lib/libc.so.6
#1  0x00007fc1bd8e8329 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc1bd8e999a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007fc1bd8968ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc1bd6b8a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007fc1b737b125 in  () at /usr/lib/libQt5DBus.so.5
#6  0x00007fc1bd6bd6d8 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fc1b94aa2e7 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fc1c026e54f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fc1a6f92700 (LWP 697)):
#0  0x00007fc1c026467d in poll () at /usr/lib/libc.so.6
#1  0x00007fc1bf37d8e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007fc1bf37f679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fc1a806e239 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fc1bd6bd6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fc1b94aa2e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fc1c026e54f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fc1c082c840 (LWP 649)):
#0  0x00007fc1b94b0756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc1bf37db57 in  () at /usr/lib/libxcb.so.1
#2  0x00007fc1bf37f39f in  () at /usr/lib/libxcb.so.1
#3  0x00007fc1bf37f4b2 in xcb_wait_for_reply () at /usr/lib/libxcb.so.1
#4  0x00007fc1a806d31a in QXcbConnection::sync() () at /usr/lib/libQt5XcbQpa.so.5
#5  0x00007fc1a806e3c8 in QXcbConnection::getTimestamp() () at /usr/lib/libQt5XcbQpa.so.5
#6  0x00007fc1a808ea62 in QXcbNativeInterface::getTimestamp(QXcbScreen const*) () at /usr/lib/libQt5XcbQpa.so.5
#7  0x00007fc1a808fa0d in QXcbNativeInterface::nativeResourceForScreen(QByteArray const&, QScreen*) () at /usr/lib/libQt5XcbQpa.so.5
#8  0x00007fc1bec82f70 in QX11Info::getTimestamp() () at /usr/lib/libQt5X11Extras.so.5
#9  0x00007fc1bfd6df39 in  () at /usr/lib/libkwin.so.5
#10 0x00007fc1bfd867a0 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /usr/lib/libkwin.so.5
#11 0x00007fc1bd89558f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/libQt5Core.so.5
#12 0x00007fc1a806f974 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/libQt5XcbQpa.so.5
#13 0x00007fc1a8070655 in QXcbConnection::processXcbEvents() () at /usr/lib/libQt5XcbQpa.so.5
#14 0x00007fc1bd8c4bd9 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#15 0x00007fc1be57a34c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#16 0x00007fc1be581b61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#17 0x00007fc1bd898470 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#18 0x00007fc1bd89abfd in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#19 0x00007fc1bd8e97c7 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#20 0x00007fc1a80ceded in  () at /usr/lib/libQt5XcbQpa.so.5
#21 0x00007fc1bd8968ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#22 0x00007fc1bd89ee14 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#23 0x00007fc1c052f391 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#24 0x00007fc1c01a2511 in __libc_start_main () at /usr/lib/libc.so.6
#25 0x000000000040069a in _start ()

Reported using DrKonqi