Application: plasmashell (5.13.1) Qt Version: 5.11.0 Frameworks Version: 5.47.0 Operating System: Linux 4.17.2-1-ARCH x86_64 Distribution (Platform): Archlinux Packages -- Information about the crash: 1. Total Plasma shell Crash 2. Screen becomes black and white I am using Kwin Wayland, breeze theme, arch linux. I had to go though a lot of trouble to get the backtrace. Hope the info helps. The crash can be reproduced every time. -- Backtrace: Application: Plasma (plasmashell), signal: Segmentation fault Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7f192d38edc0 (LWP 630))] Thread 10 (Thread 0x7f1856eae700 (LWP 855)): #0 0x00007f1925d50ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007f1926bad34c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5 #2 0x00007f192ab93cdd in () at /usr/lib/libQt5Quick.so.5 #3 0x00007f192ab93f4c in () at /usr/lib/libQt5Quick.so.5 #4 0x00007f1926bacb95 in () at /usr/lib/libQt5Core.so.5 #5 0x00007f1925d4b075 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007f192649c53f in clone () at /usr/lib/libc.so.6 Thread 9 (Thread 0x7f1857fff700 (LWP 805)): #0 0x00007f1925d50ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007f1926bad34c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5 #2 0x00007f192ab93cdd in () at /usr/lib/libQt5Quick.so.5 #3 0x00007f192ab93f4c in () at /usr/lib/libQt5Quick.so.5 #4 0x00007f1926bacb95 in () at /usr/lib/libQt5Core.so.5 #5 0x00007f1925d4b075 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007f192649c53f in clone () at /usr/lib/libc.so.6 Thread 8 (Thread 0x7f185cc24700 (LWP 804)): #0 0x00007f1925d50ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007f1926bad34c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5 #2 0x00007f192ab93cdd in () at /usr/lib/libQt5Quick.so.5 #3 0x00007f192ab93f4c in () at /usr/lib/libQt5Quick.so.5 #4 0x00007f1926bacb95 in () at /usr/lib/libQt5Core.so.5 #5 0x00007f1925d4b075 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007f192649c53f in clone () at /usr/lib/libc.so.6 Thread 7 (Thread 0x7f1873775700 (LWP 791)): #0 0x00007f192648d934 in read () at /usr/lib/libc.so.6 #1 0x00007f1920042ed1 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007f191fffcff8 in g_main_context_check () at /usr/lib/libglib-2.0.so.0 #3 0x00007f191fffd4c6 in () at /usr/lib/libglib-2.0.so.0 #4 0x00007f191fffd63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #5 0x00007f1926dade64 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #6 0x00007f1926d5985c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #7 0x00007f1926ba2ac9 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #8 0x00007f192ab1327b in () at /usr/lib/libQt5Quick.so.5 #9 0x00007f1926bacb95 in () at /usr/lib/libQt5Core.so.5 #10 0x00007f1925d4b075 in start_thread () at /usr/lib/libpthread.so.0 #11 0x00007f192649c53f in clone () at /usr/lib/libc.so.6 Thread 6 (Thread 0x7f1874019700 (LWP 790)): #0 0x00007f1925d50ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007f1926bad34c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5 #2 0x00007f192ab93cdd in () at /usr/lib/libQt5Quick.so.5 #3 0x00007f192ab93f4c in () at /usr/lib/libQt5Quick.so.5 #4 0x00007f1926bacb95 in () at /usr/lib/libQt5Core.so.5 #5 0x00007f1925d4b075 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007f192649c53f in clone () at /usr/lib/libc.so.6 Thread 5 (Thread 0x7f1886e23700 (LWP 785)): #0 0x00007f1925d50ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007f188768e0a4 in () at /usr/lib/dri/i965_dri.so #2 0x00007f188768dd98 in () at /usr/lib/dri/i965_dri.so #3 0x00007f1925d4b075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007f192649c53f in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7f190ed7e700 (LWP 784)): #0 0x00007f1925d50ffc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007f192ca5ebbc in () at /usr/lib/libQt5Script.so.5 #2 0x00007f192ca5ebd9 in () at /usr/lib/libQt5Script.so.5 #3 0x00007f1925d4b075 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007f192649c53f in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7f1915205700 (LWP 676)): #0 0x00007f19200442d9 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0 #1 0x00007f191fffcf2e in g_main_context_check () at /usr/lib/libglib-2.0.so.0 #2 0x00007f191fffd4c6 in () at /usr/lib/libglib-2.0.so.0 #3 0x00007f191fffd63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #4 0x00007f1926dade64 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #5 0x00007f1926d5985c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #6 0x00007f1926ba2ac9 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #7 0x00007f192a696559 in () at /usr/lib/libQt5Qml.so.5 #8 0x00007f1926bacb95 in () at /usr/lib/libQt5Core.so.5 #9 0x00007f1925d4b075 in start_thread () at /usr/lib/libpthread.so.0 #10 0x00007f192649c53f in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7f1916c3b700 (LWP 641)): #0 0x00007f192648d934 in read () at /usr/lib/libc.so.6 #1 0x00007f1920042ed1 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007f191fffcff8 in g_main_context_check () at /usr/lib/libglib-2.0.so.0 #3 0x00007f191fffd4c6 in () at /usr/lib/libglib-2.0.so.0 #4 0x00007f191fffd63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #5 0x00007f1926dade64 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #6 0x00007f1926d5985c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #7 0x00007f1926ba2ac9 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #8 0x00007f19290a8976 in () at /usr/lib/libQt5DBus.so.5 #9 0x00007f1926bacb95 in () at /usr/lib/libQt5Core.so.5 #10 0x00007f1925d4b075 in start_thread () at /usr/lib/libpthread.so.0 #11 0x00007f192649c53f in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7f192d38edc0 (LWP 630)): [KCrash Handler] #6 0x0000564b90152110 in () #7 0x00007f1877609e70 in () at /usr/lib/qt/qml/org/kde/draganddrop/libdraganddropplugin.so #8 0x00007f1877609332 in () at /usr/lib/qt/qml/org/kde/draganddrop/libdraganddropplugin.so #9 0x00007f187760b676 in () at /usr/lib/qt/qml/org/kde/draganddrop/libdraganddropplugin.so #10 0x00007f192a5a8c11 in () at /usr/lib/libQt5Qml.so.5 #11 0x00007f192a5a9d31 in QV4::QObjectWrapper::getQmlProperty(QQmlContextData*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*, bool) const () at /usr/lib/libQt5Qml.so.5 #12 0x00007f192a5c78c2 in QV4::Runtime::method_loadProperty(QV4::ExecutionEngine*, QV4::Value const&, int) () at /usr/lib/libQt5Qml.so.5 #13 0x00007f192a5babf0 in () at /usr/lib/libQt5Qml.so.5 #14 0x00007f192a676350 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /usr/lib/libQt5Qml.so.5 #15 0x00007f192a6064b0 in QQmlBoundSignalExpression::evaluate(void**) () at /usr/lib/libQt5Qml.so.5 #16 0x00007f192a60767c in () at /usr/lib/libQt5Qml.so.5 #17 0x00007f192a652913 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5 #18 0x00007f192a5e9104 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5 #19 0x00007f1926d8432f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5 #20 0x00007f187760af40 in () at /usr/lib/qt/qml/org/kde/draganddrop/libdraganddropplugin.so #21 0x00007f18776094ad in () at /usr/lib/qt/qml/org/kde/draganddrop/libdraganddropplugin.so #22 0x00007f192abda9a8 in QQuickItem::event(QEvent*) () at /usr/lib/libQt5Quick.so.5 #23 0x00007f19283a0984 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #24 0x00007f19283a825b in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #25 0x00007f1926d5abc9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #26 0x00007f192abf5e00 in QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*, QDragMoveEvent*) () at /usr/lib/libQt5Quick.so.5 #27 0x00007f192abf5d18 in QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*, QDragMoveEvent*) () at /usr/lib/libQt5Quick.so.5 #28 0x00007f192abf5d18 in QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*, QDragMoveEvent*) () at /usr/lib/libQt5Quick.so.5 #29 0x00007f192abf5d18 in QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*, QDragMoveEvent*) () at /usr/lib/libQt5Quick.so.5 #30 0x00007f192abf5d18 in QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*, QDragMoveEvent*) () at /usr/lib/libQt5Quick.so.5 #31 0x00007f192abf5d18 in QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*, QDragMoveEvent*) () at /usr/lib/libQt5Quick.so.5 #32 0x00007f192abf5d18 in QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*, QDragMoveEvent*) () at /usr/lib/libQt5Quick.so.5 #33 0x00007f192abf5d18 in QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*, QDragMoveEvent*) () at /usr/lib/libQt5Quick.so.5 #34 0x00007f192abf5d18 in QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*, QDragMoveEvent*) () at /usr/lib/libQt5Quick.so.5 #35 0x00007f192abf5d18 in QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*, QDragMoveEvent*) () at /usr/lib/libQt5Quick.so.5 #36 0x00007f192abf5d18 in QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QQuickItem*, QDragMoveEvent*) () at /usr/lib/libQt5Quick.so.5 #37 0x00007f192abf64f8 in QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber*, QEvent*) () at /usr/lib/libQt5Quick.so.5 #38 0x00007f192abf6b0c in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5 #39 0x0000564b8d3ae38c in () #40 0x00007f19283a0984 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #41 0x00007f19283a825b in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #42 0x00007f1926d5abc9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #43 0x00007f1926d5dc5c in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5 #44 0x00007f1926dae864 in () at /usr/lib/libQt5Core.so.5 #45 0x00007f191fffd368 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0 #46 0x00007f191fffd5b1 in () at /usr/lib/libglib-2.0.so.0 #47 0x00007f191fffd63e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #48 0x00007f1926dade49 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #49 0x00007f1918d5bf72 in () at /usr/lib/libQt5WaylandClient.so.5 #50 0x00007f1926d5985c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #51 0x00007f1926d61b56 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5 #52 0x0000564b8d39d64e in () #53 0x00007f19263c706b in __libc_start_main () at /usr/lib/libc.so.6 #54 0x0000564b8d39daca in _start () Reported using DrKonqi
Same thing happened when I tried to dram an ISO to deepin boot maker. However, total crash no backtrace.
*** This bug has been marked as a duplicate of bug 385605 ***