Bug 395653

Summary: Crash occurs when returning from full screen to normal screen.
Product: [Plasma] kwin Reporter: alstjr7375
Component: generalAssignee: KWin default assignee <kwin-bugs-null>
Status: RESOLVED WORKSFORME    
Severity: crash Keywords: drkonqi, triaged
Priority: NOR    
Version First Reported In: 5.12.5   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description alstjr7375 2018-06-20 14:39:33 UTC 
Application: kwin_x11 (5.12.5)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-24-generic x86_64
Distribution: Ubuntu 18.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Crash occurs when returning from full screen to normal screen.
(Use F11)

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe5bd55fcc0 (LWP 1499))]

Thread 10 (Thread 0x7fe4e496c700 (LWP 15284)):
#0  0x00007fe5b5f279f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55672df40520) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fe5b5f279f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55672df404d0, cond=0x55672df404f8) at pthread_cond_wait.c:502
#2  0x00007fe5b5f279f3 in __pthread_cond_wait (cond=0x55672df404f8, mutex=0x55672df404d0) at pthread_cond_wait.c:655
#3  0x00007fe5ba08f59b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe5b50fb548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fe5b50fb9aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fe5ba08e16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5b5f216db in start_thread (arg=0x7fe4e496c700) at pthread_create.c:463
#8  0x00007fe5bcecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fe4e6557700 (LWP 15280)):
#0  0x00007fe5bcebfcf6 in __GI_ppoll (fds=0x7fe4d8000d28, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007fe5ba2c15c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fe5ba2c2cde in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fe5ba26a9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe5ba08922a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe5b4a0d6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fe5ba08e16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5b5f216db in start_thread (arg=0x7fe4e6557700) at pthread_create.c:463
#8  0x00007fe5bcecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fe4e6d58700 (LWP 15279)):
#0  0x00007fe5b5f279f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55672dd34044) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fe5b5f279f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55672dd33ff0, cond=0x55672dd34018) at pthread_cond_wait.c:502
#2  0x00007fe5b5f279f3 in __pthread_cond_wait (cond=0x55672dd34018, mutex=0x55672dd33ff0) at pthread_cond_wait.c:655
#3  0x00007fe5ba08f59b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe5b50fb548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fe5b50fb9aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fe5ba08e16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5b5f216db in start_thread (arg=0x7fe4e6d58700) at pthread_create.c:463
#8  0x00007fe5bcecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fe599022700 (LWP 15278)):
#0  0x00007fe5bcebfcf6 in __GI_ppoll (fds=0x7fe58c000d68, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007fe5ba2c15c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fe5ba2c2cde in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fe5ba26a9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe5ba08922a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe5b4a0d6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fe5ba08e16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5b5f216db in start_thread (arg=0x7fe599022700) at pthread_create.c:463
#8  0x00007fe5bcecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fe59b3dd700 (LWP 11818)):
#0  0x00007fe5b5f279f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55672d872534) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fe5b5f279f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55672d8724e0, cond=0x55672d872508) at pthread_cond_wait.c:502
#2  0x00007fe5b5f279f3 in __pthread_cond_wait (cond=0x55672d872508, mutex=0x55672d8724e0) at pthread_cond_wait.c:655
#3  0x00007fe5ba08f59b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe5b50fb548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fe5b50fb9aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fe5ba08e16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5b5f216db in start_thread (arg=0x7fe59b3dd700) at pthread_create.c:463
#8  0x00007fe5bcecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fe4ff7df700 (LWP 4208)):
#0  0x00007fe5b5f279f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fe59c01be40) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fe5b5f279f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe59c01bdf0, cond=0x7fe59c01be18) at pthread_cond_wait.c:502
#2  0x00007fe5b5f279f3 in __pthread_cond_wait (cond=0x7fe59c01be18, mutex=0x7fe59c01bdf0) at pthread_cond_wait.c:655
#3  0x00007fe5ba08f59b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe5b50fb548 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fe5b50fb9aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fe5ba08e16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5b5f216db in start_thread (arg=0x7fe4ff7df700) at pthread_create.c:463
#8  0x00007fe5bcecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fe585379700 (LWP 1605)):
#0  0x00007fe5b5f279f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fe5b94befb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fe5b5f279f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fe5b94bef68, cond=0x7fe5b94bef90) at pthread_cond_wait.c:502
#2  0x00007fe5b5f279f3 in __pthread_cond_wait (cond=0x7fe5b94bef90, mutex=0x7fe5b94bef68) at pthread_cond_wait.c:655
#3  0x00007fe5b91c85f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fe5b91c8639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fe5b5f216db in start_thread (arg=0x7fe585379700) at pthread_create.c:463
#6  0x00007fe5bcecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fe59a64d700 (LWP 1570)):
#0  0x00007fe5bcebfcf6 in __GI_ppoll (fds=0x7fe588000d28, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007fe5ba2c15c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fe5ba2c2cde in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fe5ba26a9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe5ba08922a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe5b4a0d6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fe5ba08e16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5b5f216db in start_thread (arg=0x7fe59a64d700) at pthread_create.c:463
#8  0x00007fe5bcecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fe5a108f700 (LWP 1548)):
#0  0x00007fe5bcebfcf6 in __GI_ppoll (fds=0x7fe59400af48, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007fe5ba2c15c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fe5ba2c2cde in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fe5ba26a9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe5ba08922a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe5b38e6d45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6  0x00007fe5ba08e16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe5b5f216db in start_thread (arg=0x7fe5a108f700) at pthread_create.c:463
#8  0x00007fe5bcecc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fe5bd55fcc0 (LWP 1499)):
[KCrash Handler]
#6  0x00007fe5bc9f0c32 in KWin::Workspace::clientArea(KWin::clientAreaOption, int, int) const () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#7  0x00007fe5b97566d5 in  () at /usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#8  0x00007fe5bca2e4f1 in KWin::EffectsHandlerImpl::prePaintWindow(KWin::EffectWindow*, KWin::WindowPrePaintData&, int) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#9  0x00007fe5bca2e4f1 in KWin::EffectsHandlerImpl::prePaintWindow(KWin::EffectWindow*, KWin::WindowPrePaintData&, int) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#10 0x00007fe5bca1d330 in KWin::Scene::paintGenericScreen(int, KWin::ScreenPaintData) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#11 0x00007fe59903e462 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#12 0x00007fe5bca20020 in KWin::Scene::finalPaintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#13 0x00007fe5bca2e345 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#14 0x00007fe5b97c3aa3 in  () at /usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#15 0x00007fe5bca2e2ed in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#16 0x00007fe5b9a30401 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.11
#17 0x00007fe5bca2e2ed in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#18 0x00007fe5b9a30401 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.11
#19 0x00007fe5bca2e2ed in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#20 0x00007fe5b9757485 in  () at /usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#21 0x00007fe5b975783e in  () at /usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#22 0x00007fe5bca2e2ed in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#23 0x00007fe5b9a30401 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.11
#24 0x00007fe5bca2e2ed in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#25 0x00007fe5bca1fcce in KWin::Scene::paintScreen(int*, QRegion const&, QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#26 0x00007fe599038541 in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#27 0x00007fe5bca12252 in KWin::Compositor::performCompositing() () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#28 0x00007fe5ba29c0db in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007fe5bafea82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007fe5baff20f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007fe5ba26c9a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fe5ba2c4d8e in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fe5ba2c2f42 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007fe5a462c5cd in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#35 0x00007fe5ba26a9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007fe5ba273a84 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007fe5bd1a4dbb in kdemain () at /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#38 0x00007fe5bcdccb97 in __libc_start_main (main=0x55672c0e3730, argc=3, argv=0x7ffe990336b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe990336a8) at ../csu/libc-start.c:310
#39 0x000055672c0e376a in _start ()

Reported using DrKonqi
Comment 1 Martin Flöser 2018-06-20 17:45:52 UTC 
Unfortunately the backtrace is lacking debug symbols. If you are able to reproduce please install debug packages and attach a new backtrace.
Comment 2 Andrew Crouthamel 2018-09-28 03:07:56 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 set the bug status 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 Andrew Crouthamel 2018-10-28 03:39:02 UTC 
Dear Bug Submitter,

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!