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:
Sempre que inicia o computador o kwin dá essa falha, já restaurei o kde, removi temas, icontes, docky, e continua dando o mesmo problema

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4e239e5840 (LWP 688))]

Thread 12 (Thread 0x7f4de5508700 (LWP 817)):
#0  0x00007f4e1c669756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4e1f9e0234 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f4e1f9e0279 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f4e1c6632e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4e2342754f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f4de650a700 (LWP 783)):
#0  0x00007f4e1c669756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4df1a8466b in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007f4df1a84397 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007f4e1c6632e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4e2342754f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f4de6d0b700 (LWP 782)):
#0  0x00007f4e1c669756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4df1a8466b in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007f4df1a84397 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007f4e1c6632e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4e2342754f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f4de750c700 (LWP 781)):
#0  0x00007f4e1c669756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4df1a8466b in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007f4df1a84397 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007f4e1c6632e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4e2342754f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f4de7d0d700 (LWP 780)):
#0  0x00007f4e1c669756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4df1a8466b in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007f4df1a84397 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007f4e1c6632e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4e2342754f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f4de850e700 (LWP 779)):
#0  0x00007f4e1c669756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4df1a8466b in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007f4df1a84397 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007f4e1c6632e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4e2342754f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f4de8d0f700 (LWP 778)):
#0  0x00007f4e1c669756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4df1a8466b in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007f4df1a84397 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007f4e1c6632e7 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4e2342754f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f4df3fff700 (LWP 777)):
[KCrash Handler]
#6  0x00007f4e209e3ce2 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f4e20980e0e in QLockFile::tryLock(int) () at /usr/lib/libQt5Core.so.5
#8  0x00007f4e2278cd39 in  () at /usr/lib/libKF5ConfigCore.so.5
#9  0x00007f4e22770ad8 in KConfig::sync() () at /usr/lib/libKF5ConfigCore.so.5
#10 0x00007f4e033d33c4 in  () at /usr/lib/qt/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#11 0x00007f4e20a7d0ee in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#12 0x00007f4e20a89dc8 in QTimer::timerEvent(QTimerEvent*) () at /usr/lib/libQt5Core.so.5
#13 0x00007f4e20a7db93 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#14 0x00007f4e2173334c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#15 0x00007f4e2173ab61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#16 0x00007f4e20a51470 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#17 0x00007f4e20aa4cee in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#18 0x00007f4e20aa2c0a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#19 0x00007f4e20a4f8ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#20 0x00007f4e20871a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#21 0x00007f4e208766d8 in  () at /usr/lib/libQt5Core.so.5
#22 0x00007f4e1c6632e7 in start_thread () at /usr/lib/libpthread.so.0
#23 0x00007f4e2342754f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f4e0145b700 (LWP 768)):
#0  0x00007f4e2341d76b in ppoll () at /usr/lib/libc.so.6
#1  0x00007f4e20aa1329 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4e20aa299a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f4e20a4f8ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4e20871a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f4e1b38a085 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007f4e208766d8 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f4e1c6632e7 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4e2342754f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f4e03df5700 (LWP 721)):
#0  0x00007f4e2341d76b in ppoll () at /usr/lib/libc.so.6
#1  0x00007f4e20aa1329 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007f4e20aa299a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f4e20a4f8ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4e20871a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f4e1a534125 in  () at /usr/lib/libQt5DBus.so.5
#6  0x00007f4e208766d8 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f4e1c6632e7 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4e2342754f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f4e0a14b700 (LWP 710)):
#0  0x00007f4e2341d67d in poll () at /usr/lib/libc.so.6
#1  0x00007f4e225368e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f4e22538679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f4e0b227239 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f4e208766d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4e1c6632e7 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f4e2342754f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f4e239e5840 (LWP 688)):
#0  0x00007f4e1c669756 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4e22536b57 in  () at /usr/lib/libxcb.so.1
#2  0x00007f4e2253839f in  () at /usr/lib/libxcb.so.1
#3  0x00007f4e225384b2 in xcb_wait_for_reply () at /usr/lib/libxcb.so.1
#4  0x00007f4e22fce57f in  () at /usr/lib/libkwin.so.5
#5  0x00007f4e22fd20f4 in  () at /usr/lib/libkwin.so.5
#6  0x00007f4e1fd157b2 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#7  0x00007f4e1fd174ef in  () at /usr/lib/libkwin4_effect_builtins.so.1
#8  0x00007f4e1fd14e46 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#9  0x00007f4e22fe0072 in  () at /usr/lib/libkwin.so.5
#10 0x00007f4e22fe688f in  () at /usr/lib/libkwin.so.5
#11 0x00007f4e20a7dbd9 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#12 0x00007f4e2173334c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#13 0x00007f4e2173ab61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#14 0x00007f4e20a51470 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#15 0x00007f4e20a53bfd in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#16 0x00007f4e20aa27c7 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#17 0x00007f4e0b287ded in  () at /usr/lib/libQt5XcbQpa.so.5
#18 0x00007f4e20a4f8ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#19 0x00007f4e20a57e14 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#20 0x00007f4e236e8391 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#21 0x00007f4e2335b511 in __libc_start_main () at /usr/lib/libc.so.6
#22 0x000000000040069a in _start ()

Reported using DrKonqi