https://bugs.kde.org/show_bug.cgi?id=397426
Bug ID: 397426
Summary: kwin crash when desktop swtich OSD is turned on
Product: kwin
Version: unspecified
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: imadudd...@hotmail.com
Target Milestone: ---
Application: kwin_x11 (5.13.4)
Qt Version: 5.11.1
Frameworks Version: 5.48.0
Operating System: Linux 4.14.62-1-lts x86_64
Distribution (Platform): Archlinux Packages
-- Information about the crash:
- What I was doing when the application crashed:
Set number of virtual desktops > 1 (currently 2). Turn on desktop switch
on-screen display in system settings. Disable transition effects when
switching desktop.
Now press the keyboard shortcut to switch desktops repeatedly a few times.
- Unusual behavior I noticed:
kwin crashes. Only window in foreground responds to mouse/kb input. Keyboard
shortcuts related to window/desktop management stop working. Need to run
'kwin_x11 --replace' to get a working gui again.
- Custom settings of the application:
+ Compositor is enabled
+ Desktop switch OSD is turned on in settings
+ Using Nvidia propreitary drivers
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 0x7fbcd050d6c0 (LWP 7533))]
Thread 6 (Thread 0x7fbcabf94700 (LWP 7540)):
#0 0x00007fbcdf8b2aec in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fbce297eaac in () at /usr/lib/libQt5Script.so.5
#2 0x00007fbce297eac9 in () at /usr/lib/libQt5Script.so.5
#3 0x00007fbcdf8aca8d in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007fbce5e79823 in clone () at /usr/lib/libc.so.6
Thread 5 (Thread 0x7fbcb1655700 (LWP 7539)):
#0 0x00007fbcdf8b2ee6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fbce366669d in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fbce365e0c4 in () at /usr/lib/libQt5Core.so.5
#3 0x00007fbce3666005 in () at /usr/lib/libQt5Core.so.5
#4 0x00007fbcdf8aca8d in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fbce5e79823 in clone () at /usr/lib/libc.so.6
Thread 4 (Thread 0x7fbcc63e1700 (LWP 7537)):
#0 0x00007fbce5e6ea86 in ppoll () at /usr/lib/libc.so.6
#1 0x00007fbce386337b in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007fbce386486b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007fbce3812dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007fbce365bf59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007fbcde4ed9c9 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007fbce3666005 in () at /usr/lib/libQt5Core.so.5
#7 0x00007fbcdf8aca8d in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fbce5e79823 in clone () at /usr/lib/libc.so.6
Thread 3 (Thread 0x7fbcc7fff700 (LWP 7536)):
#0 0x00007fbcdf8b2ee6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fbce366669d in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fbce365e0c4 in () at /usr/lib/libQt5Core.so.5
#3 0x00007fbce3666005 in () at /usr/lib/libQt5Core.so.5
#4 0x00007fbcdf8aca8d in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fbce5e79823 in clone () at /usr/lib/libc.so.6
Thread 2 (Thread 0x7fbcccf4b700 (LWP 7535)):
#0 0x00007fbce5e6ea86 in ppoll () at /usr/lib/libc.so.6
#1 0x00007fbce386337b in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007fbce386486b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007fbce3812dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007fbce365bf59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007fbcdd5dcba6 in () at /usr/lib/libQt5DBus.so.5
#6 0x00007fbce3666005 in () at /usr/lib/libQt5Core.so.5
#7 0x00007fbcdf8aca8d in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fbce5e79823 in clone () at /usr/lib/libc.so.6
Thread 1 (Thread 0x7fbcd050d6c0 (LWP 7533)):
[KCrash Handler]
#6 0x00007fbce2f89c39 in () at /usr/lib/libkwin4_effect_builtins.so.1
#7 0x00007fbce2f89cf6 in () at /usr/lib/libkwin4_effect_builtins.so.1
#8 0x00007fbce2f8b2e8 in () at /usr/lib/libkwin4_effect_builtins.so.1
#9 0x00007fbce2f8bd02 in () at /usr/lib/libkwin4_effect_builtins.so.1
#10 0x00007fbce59fdcc4 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#11 0x00007fbce2ef857a in () at /usr/lib/libkwin4_effect_builtins.so.1
#12 0x00007fbce59fdcc4 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#13 0x00007fbce59e9cad in
KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#14 0x00007fbce59fdb55 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#15 0x00007fbce31ef32d in KWin::Effect::paintWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.11
#16 0x00007fbce59fdaf4 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#17 0x00007fbce31ef32d in KWin::Effect::paintWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.11
#18 0x00007fbce59fdaf4 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#19 0x00007fbce59f02b3 in KWin::Scene::paintWindow(KWin::Scene::Window*, int,
QRegion, KWin::WindowQuadList) () at /usr/lib/libkwin.so.5
#20 0x00007fbce59ec967 in KWin::Scene::paintSimpleScreen(int, QRegion) () at
/usr/lib/libkwin.so.5
#21 0x00007fbcc4f88a04 in () at
/usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#22 0x00007fbce59ef841 in KWin::Scene::finalPaintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#23 0x00007fbce59fd8a7 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#24 0x00007fbce31ef282 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.11
#25 0x00007fbce59fd84e in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#26 0x00007fbce31ef282 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.11
#27 0x00007fbce59fd84e in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#28 0x00007fbce59ef4db in KWin::Scene::paintScreen(int*, QRegion const&,
QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () at
/usr/lib/libkwin.so.5
#29 0x00007fbcc4f90037 in KWin::SceneOpenGL::paint(QRegion,
QList<KWin::Toplevel*>) () at
/usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#30 0x00007fbce59e0d6e in KWin::Compositor::performCompositing() () at
/usr/lib/libkwin.so.5
#31 0x00007fbce383e7eb in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#32 0x00007fbce418ee14 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#33 0x00007fbce41966e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#34 0x00007fbce3814119 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#35 0x00007fbce386687a in QTimerInfoList::activateTimers() () at
/usr/lib/libQt5Core.so.5
#36 0x00007fbce38649be in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#37 0x00007fbcd01415ce in () at /usr/lib/libQt5XcbQpa.so.5
#38 0x00007fbce3812dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#39 0x00007fbce381b0a6 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#40 0x00007fbce5f4ab56 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#41 0x00007fbce5da2003 in __libc_start_main () at /usr/lib/libc.so.6
#42 0x000055798164a75a in _start ()
Reported using DrKonqi
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