Application: plasma-discover (5.9.3) Qt Version: 5.8.0 Frameworks Version: 5.31.0 Operating System: Linux 4.9.11-1-ARCH x86_64 Distribution: "Arch Linux" -- Information about the crash: - What I was doing when the application crashed: I was scrolling through the installable appllications using the arrow keys. The crash can be reproduced every time. -- Backtrace: Application: Discover (plasma-discover), signal: Segmentation fault Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7fdcb0dd5800 (LWP 9593))] Thread 9 (Thread 0x7fdc2172d700 (LWP 9620)): #0 0x00007fdcac2c948d in poll () at /usr/lib/libc.so.6 #1 0x00007fdca6f047a6 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fdca6f04b32 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0 #3 0x00007fdc232e4446 in () at /usr/lib/libgio-2.0.so.0 #4 0x00007fdca6f2c175 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007fdca8e25454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007fdcac2d27df in clone () at /usr/lib/libc.so.6 Thread 8 (Thread 0x7fdc21f2e700 (LWP 9619)): #0 0x00007fdcac2c948d in poll () at /usr/lib/libc.so.6 #1 0x00007fdca6f047a6 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fdca6f048bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #3 0x00007fdca6f04901 in () at /usr/lib/libglib-2.0.so.0 #4 0x00007fdca6f2c175 in () at /usr/lib/libglib-2.0.so.0 #5 0x00007fdca8e25454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007fdcac2d27df in clone () at /usr/lib/libc.so.6 Thread 7 (Thread 0x7fdc663f2700 (LWP 9607)): #0 0x00007fdca6f03efc in g_main_context_query () at /usr/lib/libglib-2.0.so.0 #1 0x00007fdca6f04718 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fdca6f048bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #3 0x00007fdcacef106b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fdcace9a89a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #5 0x00007fdcaccbca73 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #6 0x00007fdcaccc16d8 in () at /usr/lib/libQt5Core.so.5 #7 0x00007fdca8e25454 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fdcac2d27df in clone () at /usr/lib/libc.so.6 Thread 6 (Thread 0x7fdc7f959700 (LWP 9598)): #0 0x00007fdcac2c948d in poll () at /usr/lib/libc.so.6 #1 0x00007fdca6f047a6 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fdca6f048bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #3 0x00007fdcacef106b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fdcace9a89a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #5 0x00007fdcaccbca73 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #6 0x00007fdcaccc16d8 in () at /usr/lib/libQt5Core.so.5 #7 0x00007fdca8e25454 in start_thread () at /usr/lib/libpthread.so.0 #8 0x00007fdcac2d27df in clone () at /usr/lib/libc.so.6 Thread 5 (Thread 0x7fdc86d42700 (LWP 9597)): #0 0x00007fdcac2c948d in poll () at /usr/lib/libc.so.6 #1 0x00007fdca6f047a6 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fdca6f048bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #3 0x00007fdcacef106b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fdcace9a89a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #5 0x00007fdcaccbca73 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #6 0x00007fdcb0128fd6 in () at /usr/lib/libQt5Quick.so.5 #7 0x00007fdcaccc16d8 in () at /usr/lib/libQt5Core.so.5 #8 0x00007fdca8e25454 in start_thread () at /usr/lib/libpthread.so.0 #9 0x00007fdcac2d27df in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7fdc8f5ef700 (LWP 9596)): #0 0x00007fdca6f49e49 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0 #1 0x00007fdca6f04762 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fdca6f048bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #3 0x00007fdcacef106b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #4 0x00007fdcace9a89a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #5 0x00007fdcaccbca73 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #6 0x00007fdcad868025 in () at /usr/lib/libQt5Qml.so.5 #7 0x00007fdcaccc16d8 in () at /usr/lib/libQt5Core.so.5 #8 0x00007fdca8e25454 in start_thread () at /usr/lib/libpthread.so.0 #9 0x00007fdcac2d27df in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7fdc94f70700 (LWP 9595)): #0 0x00007fdcac2c54ed in read () at /usr/lib/libc.so.6 #1 0x00007fdca6f48aa0 in () at /usr/lib/libglib-2.0.so.0 #2 0x00007fdca6f0426e in g_main_context_check () at /usr/lib/libglib-2.0.so.0 #3 0x00007fdca6f04744 in () at /usr/lib/libglib-2.0.so.0 #4 0x00007fdca6f048bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #5 0x00007fdcacef106b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #6 0x00007fdcace9a89a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #7 0x00007fdcaccbca73 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #8 0x00007fdcaeb3a125 in () at /usr/lib/libQt5DBus.so.5 #9 0x00007fdcaccc16d8 in () at /usr/lib/libQt5Core.so.5 #10 0x00007fdca8e25454 in start_thread () at /usr/lib/libpthread.so.0 #11 0x00007fdcac2d27df in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7fdc9d3c3700 (LWP 9594)): #0 0x00007fdcac2c948d in poll () at /usr/lib/libc.so.6 #1 0x00007fdca6c9d8e0 in () at /usr/lib/libxcb.so.1 #2 0x00007fdca6c9f679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1 #3 0x00007fdc9f927239 in () at /usr/lib/libQt5XcbQpa.so.5 #4 0x00007fdcaccc16d8 in () at /usr/lib/libQt5Core.so.5 #5 0x00007fdca8e25454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007fdcac2d27df in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7fdcb0dd5800 (LWP 9593)): [KCrash Handler] #6 0x00007fdcb01cb734 in QQuickItem::isVisible() const () at /usr/lib/libQt5Quick.so.5 #7 0x00007fdcb01cbb61 in () at /usr/lib/libQt5Quick.so.5 #8 0x00007fdcb01d5c53 in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () at /usr/lib/libQt5Quick.so.5 #9 0x00007fdcb01d5e91 in QQuickItem::event(QEvent*) () at /usr/lib/libQt5Quick.so.5 #10 0x00007fdcae41d34c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #11 0x00007fdcae424b61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #12 0x00007fdcace9c440 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #13 0x00007fdcb01cbb7d in () at /usr/lib/libQt5Quick.so.5 #14 0x00007fdcb01d5c53 in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () at /usr/lib/libQt5Quick.so.5 #15 0x00007fdcb01d5e91 in QQuickItem::event(QEvent*) () at /usr/lib/libQt5Quick.so.5 #16 0x00007fdcae41d34c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #17 0x00007fdcae424b61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #18 0x00007fdcace9c440 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #19 0x00007fdcb01e65ad in QQuickWindow::sendEvent(QQuickItem*, QEvent*) () at /usr/lib/libQt5Quick.so.5 #20 0x00007fdcb01e675f in QQuickWindow::keyPressEvent(QKeyEvent*) () at /usr/lib/libQt5Quick.so.5 #21 0x00007fdcadc94d05 in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5 #22 0x00007fdcb01ee4a5 in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5 #23 0x00007fdcae41d34c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #24 0x00007fdcae424b61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #25 0x00007fdcace9c440 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #26 0x00007fdcadc854b8 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () at /usr/lib/libQt5Gui.so.5 #27 0x00007fdcadc8a8a5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5 #28 0x00007fdcadc6644b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5 #29 0x00007fdc9f9879e0 in () at /usr/lib/libQt5XcbQpa.so.5 #30 0x00007fdca6f045a7 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0 #31 0x00007fdca6f04810 in () at /usr/lib/libglib-2.0.so.0 #32 0x00007fdca6f048bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #33 0x00007fdcacef104f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #34 0x00007fdcace9a89a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #35 0x00007fdcacea2de4 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5 #36 0x000000000040d5d9 in () #37 0x00007fdcac20a291 in __libc_start_main () at /usr/lib/libc.so.6 #38 0x000000000040db5a in _start () Reported using DrKonqi
It has been a bit of work to confirm this, but while this bug is triggered differently, the root cause is the same as in the bug of which i am marking this as a duplicate. Thank you for the report! It helped me dig it out :) *** This bug has been marked as a duplicate of bug 378339 ***