[kde] [Bug 342129] New: kwin_x11 crashed when changing windows

[Alin M Elena]

https://bugs.kde.org/show_bug.cgi?id=342129

            Bug ID: 342129
           Summary: kwin_x11 crashed when changing windows
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: alinm.elena at gmail.com

Application: kwin_x11 (5.1.90)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-rc1-1.g85f0072-desktop x86_64
Distribution: "openSUSE 20141219 (Tumbleweed) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
kwin_x11 crashed when changing windowskwin_x11 crashed when changing windows

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb950b52800 (LWP 2642))]

Thread 3 (Thread 0x7fb91ab2a700 (LWP 2660)):
#0  0x00007fb950529b43 in select () at /lib64/libc.so.6
#1  0x00007fb94e6255e9 in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fb94e626f03 in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fb94e62736b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007fb94e5cfd5b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007fb94e3f2d1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fb948662978 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fb94e3f794f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fb946a153a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fb950530a4d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fb90e573700 (LWP 2662)):
#0  0x00007fb946a1985f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fb94d3e947b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007fb94d3e94a9 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fb946a153a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fb950530a4d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fb950b52800 (LWP 2642)):
[KCrash Handler]
#5  0x00007fb9485ff544 in  () at /usr/lib64/libQt5Qml.so.5
#6  0x00007fb9485fcf19 in QQmlMetaType::qmlSingletonTypes() () at
/usr/lib64/libQt5Qml.so.5
#7  0x00007fb9485d3778 in QQmlEngine::~QQmlEngine() () at
/usr/lib64/libQt5Qml.so.5
#8  0x00007fb9485d3909 in QQmlEngine::~QQmlEngine() () at
/usr/lib64/libQt5Qml.so.5
#9  0x00007fb950483949 in __run_exit_handlers () at /lib64/libc.so.6
#10 0x00007fb950483995 in  () at /lib64/libc.so.6
#11 0x00007fb92ba4f9c6 in  () at /usr/lib64/dri/i965_dri.so
#12 0x00007fb92b9b238c in  () at /usr/lib64/dri/i965_dri.so
#13 0x00007fb92b82ccfd in  () at /usr/lib64/dri/i965_dri.so
#14 0x00007fb9494cfdc9 in KWin::GLVertexBuffer::draw(QRegion const&, unsigned
int, int, int, bool) () at /usr/lib64/libkwinglutils.so.5
#15 0x00007fb9494d025e in KWin::GLVertexBuffer::draw(unsigned int, int, int) ()
at /usr/lib64/libkwinglutils.so.5
#16 0x00007fb94d71f761 in  () at /usr/lib64/libkwin4_effect_builtins.so.1
#17 0x00007fb94d720245 in  () at /usr/lib64/libkwin4_effect_builtins.so.1
#18 0x00007fb950138031 in  () at /usr/lib64/libkwin.so.5
#19 0x00007fb94dbf3b91 in KWin::Effect::drawWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/lib64/libkwineffects.so.5
#20 0x00007fb950138031 in  () at /usr/lib64/libkwin.so.5
#21 0x00007fb950105411 in  () at /usr/lib64/libkwin.so.5
#22 0x00007fb950137f9a in  () at /usr/lib64/libkwin.so.5
#23 0x00007fb94dbf3ab1 in KWin::Effect::paintWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/lib64/libkwineffects.so.5
#24 0x00007fb950137f51 in  () at /usr/lib64/libkwin.so.5
#25 0x00007fb94dbf3ab1 in KWin::Effect::paintWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/lib64/libkwineffects.so.5
#26 0x00007fb950137f51 in  () at /usr/lib64/libkwin.so.5
#27 0x00007fb94dc00ee4 in
KWin::AnimationEffect::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib64/libkwineffects.so.5
#28 0x00007fb950137f51 in  () at /usr/lib64/libkwin.so.5
#29 0x00007fb950109368 in  () at /usr/lib64/libkwin.so.5
#30 0x00007fb9501074a5 in  () at /usr/lib64/libkwin.so.5
#31 0x00007fb950116683 in  () at /usr/lib64/libkwin.so.5
#32 0x00007fb950104eb5 in  () at /usr/lib64/libkwin.so.5
#33 0x00007fb950137ec0 in  () at /usr/lib64/libkwin.so.5
#34 0x00007fb94dbf3a3f in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib64/libkwineffects.so.5
#35 0x00007fb950137e80 in  () at /usr/lib64/libkwin.so.5
#36 0x00007fb94dbf3a3f in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib64/libkwineffects.so.5
#37 0x00007fb950137e80 in  () at /usr/lib64/libkwin.so.5
#38 0x00007fb94dbf3a3f in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib64/libkwineffects.so.5
#39 0x00007fb950137e80 in  () at /usr/lib64/libkwin.so.5
#40 0x00007fb950104b4a in  () at /usr/lib64/libkwin.so.5
#41 0x00007fb95011c34d in  () at /usr/lib64/libkwin.so.5
#42 0x00007fb9500fe803 in  () at /usr/lib64/libkwin.so.5
#43 0x00007fb94e60227c in QObject::event(QEvent*) () at
/usr/lib64/libQt5Core.so.5
#44 0x00007fb94f290b1c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#45 0x00007fb94f295b80 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#46 0x00007fb94e5d1e05 in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#47 0x00007fb94e628bad in QTimerInfoList::activateTimers() () at
/usr/lib64/libQt5Core.so.5
#48 0x00007fb94e6273f8 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#49 0x00007fb939b5bb1d in  () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#50 0x00007fb94e5cfd5b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#51 0x00007fb94e5d73e6 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#52 0x00007fb9507edb83 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#53 0x00007fb95046db45 in __libc_start_main () at /lib64/libc.so.6
#54 0x000000000040085e in _start ()

Reported using DrKonqi

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