https://bugs.kde.org/show_bug.cgi?id=410869
Bug ID: 410869
Summary: kwin_x11 crashed after swtching to tty
Product: kwin
Version: 5.16.4
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: alex.bradata...@yahoo.it
Target Milestone: ---
Application: kwin_x11 (5.16.4)
Qt Version: 5.13.0
Frameworks Version: 5.60.0
Operating System: Linux 5.2.8-arch1-1-ARCH x86_64
Distribution (Platform): Archlinux Packages
-- Information about the crash:
- What I was doing when the application crashed:
I changed to a tty using the keyboard shortcut (CTRL+ALT+F2) and then, after
going back to the graphical session (CTRL+ALT+F1), kwin_x11 crashed and
restarted immediately.
I am using the proprietary nvidia drivers with a nvidia GTX 735.
The crash does not seem to be reproducible.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4706635880 (LWP 18124))]
Thread 5 (Thread 0x7f46fc945700 (LWP 18718)):
#0 0x00007f470c5cb415 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f470d4585a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/libQt5Core.so.5
#2 0x00007f470d458692 in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#3 0x00007f470c0ec7bd in () at /usr/lib/libQt5Quick.so.5
#4 0x00007f470c0eca6e in () at /usr/lib/libQt5Quick.so.5
#5 0x00007f470d452520 in () at /usr/lib/libQt5Core.so.5
#6 0x00007f470c5c557f in start_thread () at /usr/lib/libpthread.so.0
#7 0x00007f470eb400e3 in clone () at /usr/lib/libc.so.6
Thread 4 (Thread 0x7f46ea32a700 (LWP 18222)):
#0 0x00007f470c5cb415 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f470cedaedc in () at /usr/lib/libQt5Script.so.5
#2 0x00007f470cedaef9 in () at /usr/lib/libQt5Script.so.5
#3 0x00007f470c5c557f in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f470eb400e3 in clone () at /usr/lib/libc.so.6
Thread 3 (Thread 0x7f46fedee700 (LWP 18218)):
#0 0x00007f470eb35756 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f470d673913 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f470d674fa3 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f470d61e5ec in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f470d4512f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f470bd528f9 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007f470d452520 in () at /usr/lib/libQt5Core.so.5
#7 0x00007f470c5c557f in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f470eb400e3 in clone () at /usr/lib/libc.so.6
Thread 2 (Thread 0x7f4704fff700 (LWP 18181)):
#0 0x00007f470eb35756 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f470d673913 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f470d674fa3 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f470d61e5ec in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f470d4512f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f470b783b37 in () at /usr/lib/libQt5DBus.so.5
#6 0x00007f470d452520 in () at /usr/lib/libQt5Core.so.5
#7 0x00007f470c5c557f in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f470eb400e3 in clone () at /usr/lib/libc.so.6
Thread 1 (Thread 0x7f4706635880 (LWP 18124)):
[KCrash Handler]
#6 0x00007f470d0fb329 in () at /usr/lib/libkwin4_effect_builtins.so.1
#7 0x00007f470d0fb3e7 in () at /usr/lib/libkwin4_effect_builtins.so.1
#8 0x00007f470d0fd2f2 in () at /usr/lib/libkwin4_effect_builtins.so.1
#9 0x00007f470d0fdd20 in () at /usr/lib/libkwin4_effect_builtins.so.1
#10 0x00007f470e8c14f4 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#11 0x00007f470d0649bd in () at /usr/lib/libkwin4_effect_builtins.so.1
#12 0x00007f470e8c14f4 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#13 0x00007f470e8afa5c in
KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#14 0x00007f470e8c1382 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#15 0x00007f470d1600ac in KWin::Effect::paintWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#16 0x00007f470e8c1324 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#17 0x00007f470d1600ac in KWin::Effect::paintWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#18 0x00007f470e8c1324 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#19 0x00007f470e8b6517 in KWin::Scene::paintWindow(KWin::Scene::Window*, int,
QRegion, KWin::WindowQuadList) () at /usr/lib/libkwin.so.5
#20 0x00007f470e8b2d59 in KWin::Scene::paintSimpleScreen(int, QRegion) () at
/usr/lib/libkwin.so.5
#21 0x00007f47040befa5 in () at
/usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#22 0x00007f470e8b5a91 in KWin::Scene::finalPaintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#23 0x00007f470e8c10e4 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#24 0x00007f470d160000 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.12
#25 0x00007f470e8c108e in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#26 0x00007f470d160000 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.12
#27 0x00007f470e8c108e in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#28 0x00007f470e8b572c in KWin::Scene::paintScreen(int*, QRegion const&,
QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () at
/usr/lib/libkwin.so.5
#29 0x00007f47040c79af in KWin::SceneOpenGL::paint(QRegion,
QList<KWin::Toplevel*>) () at
/usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#30 0x00007f470e8a6f03 in KWin::Compositor::performCompositing() () at
/usr/lib/libkwin.so.5
#31 0x00007f470d64c3e5 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#32 0x00007f470dfd74d5 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#33 0x00007f470dfe0a21 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#34 0x00007f470d61f9c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#35 0x00007f470d676d3d in QTimerInfoList::activateTimers() () at
/usr/lib/libQt5Core.so.5
#36 0x00007f470d675109 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#37 0x00007f47061fa39f in () at /usr/lib/libQt5XcbQpa.so.5
#38 0x00007f470d61e5ec in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#39 0x00007f470d626326 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#40 0x00007f470ec10588 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#41 0x00007f470ea6aee3 in __libc_start_main () at /usr/lib/libc.so.6
#42 0x000055a091ef205e in _start ()
[Inferior 1 (process 18124) detached]
Reported using DrKonqi
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