https://bugs.kde.org/show_bug.cgi?id=392927
Bug ID: 392927
Summary: kwin crashes when switching between different windows
of the same app
Product: kwin
Version: 5.12.4
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: nikolay...@yandex.ru
Target Milestone: ---
Application: kwin_x11 (5.12.4)
Qt Version: 5.10.1
Frameworks Version: 5.44.0
Operating System: Linux 4.15.15-1-ARCH x86_64
Distribution: "Arch Linux"
-- Information about the crash:
- What I was doing when the application crashed:
1) Opened two windows of firefox
2) Pointed mouse to the firefox icon in the task manager bar
3) Clicked on the second window
The crash can be reproduced sometimes.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1478746840 (LWP 5824))]
Thread 8 (Thread 0x7f14573e6700 (LWP 5861)):
#0 0x00007f14711153bd in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f147528dfac in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007f14702d749a in () at /usr/lib/libQt5Quick.so.5
#3 0x00007f14702d7924 in () at /usr/lib/libQt5Quick.so.5
#4 0x00007f147528cacd in () at /usr/lib/libQt5Core.so.5
#5 0x00007f147110f08c in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007f14780d2e7f in clone () at /usr/lib/libc.so.6
Thread 7 (Thread 0x7f144344f700 (LWP 5860)):
#0 0x00007f14780c8a76 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f14754d1dc3 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f14754d355f in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f147547832b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f147528772e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f146fbdb379 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007f147528cacd in () at /usr/lib/libQt5Core.so.5
#7 0x00007f147110f08c in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f14780d2e7f in clone () at /usr/lib/libc.so.6
Thread 6 (Thread 0x7f141e3d6700 (LWP 5842)):
#0 0x00007f14711153bd in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f14743c6f77 in () at /usr/lib/libQt5Script.so.5
#2 0x00007f14743c6fb9 in () at /usr/lib/libQt5Script.so.5
#3 0x00007f147110f08c in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f14780d2e7f in clone () at /usr/lib/libc.so.6
Thread 5 (Thread 0x7f1441d78700 (LWP 5840)):
#0 0x00007f14780c8a76 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f14754d1dc3 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f14754d355f in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f147547832b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f147528772e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f146fbdb379 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007f147528cacd in () at /usr/lib/libQt5Core.so.5
#7 0x00007f147110f08c in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f14780d2e7f in clone () at /usr/lib/libc.so.6
Thread 4 (Thread 0x7f1455aaf700 (LWP 5834)):
#0 0x00007f14780c8a76 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f14754d1dc3 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f14754d355f in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f147547832b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f147528772e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f146fbdb379 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007f147528cacd in () at /usr/lib/libQt5Core.so.5
#7 0x00007f147110f08c in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f14780d2e7f in clone () at /usr/lib/libc.so.6
Thread 3 (Thread 0x7f1457fff700 (LWP 5828)):
#0 0x00007f14780c8a76 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f14754d1dc3 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f14754d355f in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f147547832b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f147528772e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f146ea7d416 in () at /usr/lib/libQt5DBus.so.5
#6 0x00007f147528cacd in () at /usr/lib/libQt5Core.so.5
#7 0x00007f147110f08c in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f14780d2e7f in clone () at /usr/lib/libc.so.6
Thread 2 (Thread 0x7f145e7e1700 (LWP 5827)):
#0 0x00007f14780c897b in poll () at /usr/lib/libc.so.6
#1 0x00007f1476ff0180 in () at /usr/lib/libxcb.so.1
#2 0x00007f1476ff1e4b in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3 0x00007f145f8cc82a in () at /usr/lib/libQt5XcbQpa.so.5
#4 0x00007f147528cacd in () at /usr/lib/libQt5Core.so.5
#5 0x00007f147110f08c in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007f14780d2e7f in clone () at /usr/lib/libc.so.6
Thread 1 (Thread 0x7f1478746840 (LWP 5824)):
[KCrash Handler]
#6 0x00000000413eddd9 in ()
#7 0x00007f1445a0af79 in () at /usr/lib/libnvidia-glcore.so.390.48
#8 0x00007f1445a11c04 in () at /usr/lib/libnvidia-glcore.so.390.48
#9 0x00007f1445a1ac54 in () at /usr/lib/libnvidia-glcore.so.390.48
#10 0x00007f14455d57d5 in () at /usr/lib/libnvidia-glcore.so.390.48
#11 0x00007f1470297197 in
QSGBatchRenderer::Renderer::renderMergedBatch(QSGBatchRenderer::Batch const*)
() at /usr/lib/libQt5Quick.so.5
#12 0x00007f1470298436 in QSGBatchRenderer::Renderer::renderBatches() () at
/usr/lib/libQt5Quick.so.5
#13 0x00007f147029dcb6 in QSGBatchRenderer::Renderer::render() () at
/usr/lib/libQt5Quick.so.5
#14 0x00007f147028e0d2 in QSGRenderer::renderScene(QSGBindable const&) () at
/usr/lib/libQt5Quick.so.5
#15 0x00007f147028e5d0 in QSGRenderer::renderScene(unsigned int) () at
/usr/lib/libQt5Quick.so.5
#16 0x00007f14702c8730 in
QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at
/usr/lib/libQt5Quick.so.5
#17 0x00007f147032e230 in QQuickWindowPrivate::renderSceneGraph(QSize const&)
() at /usr/lib/libQt5Quick.so.5
#18 0x00007f14703ef06a in QQuickRenderControl::render() () at
/usr/lib/libQt5Quick.so.5
#19 0x00007f14703ef233 in QQuickRenderControl::grab() () at
/usr/lib/libQt5Quick.so.5
#20 0x00007f14566f77e4 in () at
/usr/lib/qt/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#21 0x00007f14754aa73f in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#22 0x00007f14754b7508 in QTimer::timeout(QTimer::QPrivateSignal) () at
/usr/lib/libQt5Core.so.5
#23 0x00007f14754b7879 in QTimer::timerEvent(QTimerEvent*) () at
/usr/lib/libQt5Core.so.5
#24 0x00007f14754ab01b in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#25 0x00007f14761f7fec in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#26 0x00007f14761ff9c6 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#27 0x00007f1475479cf0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#28 0x00007f14754d5688 in QTimerInfoList::activateTimers() () at
/usr/lib/libQt5Core.so.5
#29 0x00007f14754d37c4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#30 0x00007f145f95471e in () at /usr/lib/libQt5XcbQpa.so.5
#31 0x00007f147547832b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#32 0x00007f1475481728 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#33 0x00007f147839c416 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#34 0x00007f1477ffdf4a in __libc_start_main () at /usr/lib/libc.so.6
#35 0x000055f0c3a6276a in _start ()
Reported using DrKonqi
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