https://bugs.kde.org/show_bug.cgi?id=412349
Bug ID: 412349
Summary: kwin crashed after VT switch from another X session
Product: kwin
Version: 5.16.2
Platform: FreeBSD Ports
OS: FreeBSD
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: a...@icyb.net.ua
Target Milestone: ---
Application: kwin_x11 (5.16.2)
Qt Version: 5.12.2
Frameworks Version: 5.59.0
Operating System: FreeBSD 12.0-CURRENT amd64
Distribution (Platform): FreeBSD Ports
-- Information about the crash:
I switched to my X / KDE session from another session (using Ctrl+Alt+F9).
The crash can be reproduced sometimes.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
[KCrash Handler]
#8 0x000000080142979b in () at /usr/local/lib/libkwin4_effect_builtins.so.1
#9 0x000000080142a30f in () at /usr/local/lib/libkwin4_effect_builtins.so.1
#10 0x000000080142a151 in () at /usr/local/lib/libkwin4_effect_builtins.so.1
#11 0x0000000800dd7428 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/local/lib/libkwin.so.5
#12 0x000000080138f6d5 in () at /usr/local/lib/libkwin4_effect_builtins.so.1
#13 0x0000000800dd7428 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/local/lib/libkwin.so.5
#14 0x0000000800dca98f in
KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion,
KWin::WindowPaintData&) () at /usr/local/lib/libkwin.so.5
#15 0x0000000800dd7086 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/local/lib/libkwin.so.5
#16 0x000000080113ee7f in KWin::Effect::paintWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/local/lib/libkwineffects.so.12
#17 0x0000000800dd7045 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/local/lib/libkwin.so.5
#18 0x000000080113ee7f in KWin::Effect::paintWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/local/lib/libkwineffects.so.12
#19 0x0000000800dd7045 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/local/lib/libkwin.so.5
#20 0x0000000800dc9af2 in KWin::Scene::paintWindow(KWin::Scene::Window*, int,
QRegion, KWin::WindowQuadList) () at /usr/local/lib/libkwin.so.5
#21 0x0000000800dc8b6b in KWin::Scene::paintSimpleScreen(int, QRegion) () at
/usr/local/lib/libkwin.so.5
#22 0x0000000825cfab55 in () at
/usr/local/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#23 0x0000000800dc74c0 in KWin::Scene::finalPaintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/local/lib/libkwin.so.5
#24 0x0000000800dd6e25 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/local/lib/libkwin.so.5
#25 0x000000080113edb4 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/local/lib/libkwineffects.so.12
#26 0x0000000800dd6de7 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/local/lib/libkwin.so.5
#27 0x000000080113edb4 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/local/lib/libkwineffects.so.12
#28 0x0000000800dd6de7 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/local/lib/libkwin.so.5
#29 0x0000000800dc7225 in KWin::Scene::paintScreen(int*, QRegion const&,
QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () at
/usr/local/lib/libkwin.so.5
#30 0x0000000825cf9039 in KWin::SceneOpenGL::paint(QRegion,
QList<KWin::Toplevel*>) () at
/usr/local/lib/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#31 0x0000000800dc0850 in KWin::Compositor::performCompositing() () at
/usr/local/lib/libkwin.so.5
#32 0x000000080b4aedd3 in QObject::event(QEvent*) () at
/usr/local/lib/qt5/libQt5Core.so.5
#33 0x0000000809f79660 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/local/lib/qt5/libQt5Widgets.so.5
#34 0x0000000809f7ac26 in QApplication::notify(QObject*, QEvent*) () at
/usr/local/lib/qt5/libQt5Widgets.so.5
#35 0x000000080b482d80 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/local/lib/qt5/libQt5Core.so.5
#36 0x000000080b4dae2f in QTimerInfoList::activateTimers() () at
/usr/local/lib/qt5/libQt5Core.so.5
#37 0x000000080b4d9285 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/local/lib/qt5/libQt5Core.so.5
#38 0x000000081b8b2ef4 in () at /usr/local/lib/qt5/libQt5XcbQpa.so.5
#39 0x000000080b47e76e in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/local/lib/qt5/libQt5Core.so.5
#40 0x000000080b48343e in QCoreApplication::exec() () at
/usr/local/lib/qt5/libQt5Core.so.5
#41 0x000000080082dbaf in kdemain () at /usr/local/lib/libkdeinit5_kwin_x11.so
#42 0x0000000000400bdf in ()
#43 0x0000000800625000 in ()
#44 0x0000000000000000 in ()
[Inferior 1 (process 5017) detached]
Reported using DrKonqi
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