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 -- You are receiving this mail because: You are watching all bug changes.