https://bugs.kde.org/show_bug.cgi?id=380122
Bug ID: 380122 Summary: KWin crashes on switching windows after disabling compositing Product: kwin Version: 5.9.5 Platform: Fedora RPMs OS: Linux Status: UNCONFIRMED Keywords: drkonqi Severity: crash Priority: NOR Component: general Assignee: kwin-bugs-n...@kde.org Reporter: hamburger1...@gmail.com Target Milestone: --- Application: kwin_x11 (5.9.5) Qt Version: 5.7.1 Frameworks Version: 5.33.0 Operating System: Linux 4.10.16-200.fc25.x86_64 x86_64 Distribution: "Fedora release 25 (Twenty Five)" -- Information about the crash: - What I was doing when the application crashed: * disable compositing * switch windows (ALT-TAB) * crash Running on fedora. The crash does not seem to be reproducible. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7fb2b3ad8940 (LWP 1584))] Thread 4 (Thread 0x7fb2937fe700 (LWP 1791)): #0 0x00007fb2c5a7e460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007fb2cb39f2f4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5 #2 0x00007fb2cb39f339 in () at /lib64/libQt5Script.so.5 #3 0x00007fb2c5a786ca in start_thread () at /lib64/libpthread.so.0 #4 0x00007fb2c2ee5f7f in clone () at /lib64/libc.so.6 Thread 3 (Thread 0x7fb29ffff700 (LWP 1743)): #0 0x00007fb2c2eda0e1 in ppoll () at /lib64/libc.so.6 #1 0x00007fb2c3cde971 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib64/libQt5Core.so.5 #2 0x00007fb2c3cdfe86 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #3 0x00007fb2c3c9368a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #4 0x00007fb2c3af05e3 in QThread::exec() () at /lib64/libQt5Core.so.5 #5 0x00007fb2ca5f44e5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5 #6 0x00007fb2c3af49ca in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5 #7 0x00007fb2c5a786ca in start_thread () at /lib64/libpthread.so.0 #8 0x00007fb2c2ee5f7f in clone () at /lib64/libc.so.6 Thread 2 (Thread 0x7fb2b3ad4700 (LWP 1636)): #0 0x00007fb2c2eda01d in poll () at /lib64/libc.so.6 #1 0x00007fb2ba413166 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0 #2 0x00007fb2ba41327c in g_main_context_iteration () at /lib64/libglib-2.0.so.0 #3 0x00007fb2c3ce26eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #4 0x00007fb2c3c9368a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #5 0x00007fb2c3af05e3 in QThread::exec() () at /lib64/libQt5Core.so.5 #6 0x00007fb2c8226fb9 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5 #7 0x00007fb2c3af49ca in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5 #8 0x00007fb2c5a786ca in start_thread () at /lib64/libpthread.so.0 #9 0x00007fb2c2ee5f7f in clone () at /lib64/libc.so.6 Thread 1 (Thread 0x7fb2b3ad8940 (LWP 1584)): [KCrash Handler] #6 0x00007fb2c40024c8 in QOpenGLContext::format() const () at /lib64/libQt5Gui.so.5 #7 0x00007fb2caa86d03 in QSGBatchRenderer::Renderer::Renderer(QSGRenderContext*) () at /lib64/libQt5Quick.so.5 #8 0x00007fb2caaa52e1 in QSGRenderContext::createRenderer() () at /lib64/libQt5Quick.so.5 #9 0x00007fb2caaee574 in QQuickWindowPrivate::syncSceneGraph() () at /lib64/libQt5Quick.so.5 #10 0x00007fb2caabadf8 in QSGGuiThreadRenderLoop::renderWindow(QQuickWindow*) () at /lib64/libQt5Quick.so.5 #11 0x00007fb2caabc0b8 in QSGGuiThreadRenderLoop::exposureChanged(QQuickWindow*) () at /lib64/libQt5Quick.so.5 #12 0x00007fb2c3fd68a5 in QWindow::event(QEvent*) () at /lib64/libQt5Gui.so.5 #13 0x00007fb2caaf8615 in QQuickWindow::event(QEvent*) () at /lib64/libQt5Quick.so.5 #14 0x00007fb20464073b in PlasmaQuick::Dialog::event(QEvent*) () at /lib64/libKF5PlasmaQuick.so.5 #15 0x00007fb2c44d4ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #16 0x00007fb2c44dc671 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #17 0x00007fb2c3c946fa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #18 0x00007fb2c3fcc1cd in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /lib64/libQt5Gui.so.5 #19 0x00007fb2c3fccdfd in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib64/libQt5Gui.so.5 #20 0x00007fb2c3fadc4b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Gui.so.5 #21 0x00007fb2b3241716 in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5 #22 0x00007fb2c3c9368a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #23 0x00007fb2c3c9b18c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5 #24 0x00007fb2cc0eb002 in kdemain () at /lib64/libkdeinit5_kwin_x11.so #25 0x00007fb2c2dfe401 in __libc_start_main () at /lib64/libc.so.6 #26 0x000055e4b2d2acca in _start () Reported using DrKonqi -- You are receiving this mail because: You are watching all bug changes.