Bug 412349 - kwin crashed after VT switch from another X session
Summary: kwin crashed after VT switch from another X session
Status: RESOLVED WORKSFORME
Alias: None
Product: kwin
Classification: Plasma
Component: general (show other bugs)
Version: 5.16.2
Platform: FreeBSD Ports FreeBSD
: NOR crash
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2019-09-26 07:03 UTC by Andriy Gapon
Modified: 2019-10-29 04:33 UTC (History)
0 users

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Sentry Crash Report:


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Description Andriy Gapon 2019-09-26 07:03:49 UTC
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
Comment 1 Vlad Zahorodnii 2019-09-29 15:29:40 UTC
Unfortunately the backtrace lacks debug symbols. Please install kwin debug packages and submit a new backtrace.
Comment 2 Bug Janitor Service 2019-10-14 04:33:09 UTC
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 3 Bug Janitor Service 2019-10-29 04:33:12 UTC
This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!