Application: plasmashell (5.16.5) Qt Version: 5.12.4 Frameworks Version: 5.62.0 Operating System: Linux 5.3.0-26-generic x86_64 Distribution: Ubuntu 19.10 -- Information about the crash: - What I was doing when the application crashed: loging in. same for all users update before to latest version on 19.10 The crash can be reproduced every time. -- Backtrace: Application: Plasma (plasmashell), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f8febd86880 (LWP 9208))] Thread 9 (Thread 0x7f8fc37fe700 (LWP 9240)): #0 0x00007f8fee016c3d in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f8fedfc9fca in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f8fedfca96b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8fedfcab73 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f8fef8406c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f8fef7e763b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f8fef620a75 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f8fef621cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f8feeaa4669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #9 0x00007f8fef2a6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7f8fc3fff700 (LWP 9239)): #0 0x00007f8fef299c2f in __GI___poll (fds=0x7f8fbc0025e0, nfds=1, timeout=3449775) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f8fedfcaa3e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f8fedfcab73 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8fef8406c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f8fef7e763b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f8fef620a75 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f8fd0c5501c in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so #7 0x00007f8fef621cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f8feeaa4669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #9 0x00007f8fef2a6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7f8fd3138700 (LWP 9220)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555b5a30930) at ../sysdeps/unix/sysv/linux/futex-internal.h:80 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555b5a308e0, cond=0x5555b5a30908) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555b5a30908, mutex=0x5555b5a308e0) at pthread_cond_wait.c:638 #3 0x00007f8fef627def in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f8fef627ee1 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f8ff14407b9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #6 0x00007f8ff1440a1a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f8fef621cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f8feeaa4669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #9 0x00007f8fef2a6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f8fd3a72700 (LWP 9219)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555b5d58a90) at ../sysdeps/unix/sysv/linux/futex-internal.h:80 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555b5d58a40, cond=0x5555b5d58a68) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555b5d58a68, mutex=0x5555b5d58a40) at pthread_cond_wait.c:638 #3 0x00007f8fef627def in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f8fef627ee1 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f8ff14407b9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #6 0x00007f8ff1440a1a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f8fef621cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f8feeaa4669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #9 0x00007f8fef2a6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f8fdac4f700 (LWP 9218)): #0 futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555b5b899cc) at ../sysdeps/unix/sysv/linux/futex-internal.h:80 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555b5b89978, cond=0x5555b5b899a0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x5555b5b899a0, mutex=0x5555b5b89978) at pthread_cond_wait.c:638 #3 0x00007f8fdb2c097b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007f8fdb2c059b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007f8feeaa4669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #6 0x00007f8fef2a6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f8fe942f700 (LWP 9211)): #0 0x00007f8fedfca469 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f8fedfca9e2 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f8fedfcab73 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8fef8406c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f8fef7e763b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f8fef620a75 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f8ff10e3319 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f8fef621cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f8feeaa4669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #9 0x00007f8fef2a6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f8fea694700 (LWP 9210)): #0 0x00007f8fef299c2f in __GI___poll (fds=0x7f8fdc0029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f8fedfcaa3e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f8fedfcab73 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8fef8406c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f8fef7e763b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f8fef620a75 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f8ff0105efa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #7 0x00007f8fef621cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f8feeaa4669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #9 0x00007f8fef2a6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f8feb48e700 (LWP 9209)): #0 0x00007f8fef299c2f in __GI___poll (fds=0x7f8feb48dc28, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f8ff1837917 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f8ff183953a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f8febc3f288 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007f8fef621cc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f8feeaa4669 in start_thread (arg=<optimized out>) at pthread_create.c:479 #6 0x00007f8fef2a6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f8febd86880 (LWP 9208)): [KCrash Handler] #6 0x00007f8fd0c7473a in JobModel::updateJob(int, KCupsJob const&) () from /usr/lib/x86_64-linux-gnu/libkcupslib.so #7 0x00007f8fd0c767e8 in JobModel::insertJob(int, KCupsJob const&) () from /usr/lib/x86_64-linux-gnu/libkcupslib.so #8 0x00007f8fd0c76ca9 in JobModel::getJobFinished(KCupsRequest*) () from /usr/lib/x86_64-linux-gnu/libkcupslib.so #9 0x00007f8fef814eba in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f8ff0384a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #11 0x00007f8ff038de00 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #12 0x00007f8fef7e8a9a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007f8fef7eb718 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x00007f8fef8410a7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #15 0x00007f8fedfca84d in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #16 0x00007f8fedfcaad0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #17 0x00007f8fedfcab73 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #18 0x00007f8fef8406a5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #19 0x00007f8fef7e763b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007f8fef7ef3a6 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00005555b460e774 in ?? () #22 0x00007f8fef1ab1e3 in __libc_start_main (main=0x5555b460dc20, argc=1, argv=0x7fff5a6f4758, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff5a6f4748) at ../csu/libc-start.c:308 #23 0x00005555b460ebfe in _start () [Inferior 1 (process 9208) detached] Possible duplicates by query: bug 416088, bug 414883, bug 414882, bug 414652, bug 414083. Reported using DrKonqi
Created attachment 125142 [details] New crash information added by DrKonqi plasmashell (5.17.5) using Qt 5.14.0 - What I was doing when the application crashed: During system upgrade using discover with package-qt5. - Unusual behavior I noticed: After trying to open another application from the start menu, the desktop crashed momentarily. - Custom settings of the application: Desktop displays wallpapers as random slides. -- Backtrace (Reduced): #6 0x00007fc3a8ba81f5 in QV4::QObjectWrapper::wrap(QV4::ExecutionEngine*, QObject*) () at /usr/lib/libQt5Qml.so.5 #7 0x00007fc3a8b9f128 in QV4::ExecutionEngine::fromVariant(QVariant const&) () at /usr/lib/libQt5Qml.so.5 #8 0x00007fc3a8c28293 in () at /usr/lib/libQt5Qml.so.5 #9 0x00007fc3a8c48027 in () at /usr/lib/libQt5Qml.so.5 #10 0x00007fc3a8c4d30f in () at /usr/lib/libQt5Qml.so.5
Pasting inline Thread 1 (Thread 0x7fc3a8f0ccc0 (LWP 789)): [KCrash Handler] #6 0x00007fc3a8ba81f5 in QV4::QObjectWrapper::wrap(QV4::ExecutionEngine*, QObject*) () at /usr/lib/libQt5Qml.so.5 #7 0x00007fc3a8b9f128 in QV4::ExecutionEngine::fromVariant(QVariant const&) () at /usr/lib/libQt5Qml.so.5 #8 0x00007fc3a8c28293 in () at /usr/lib/libQt5Qml.so.5 #9 0x00007fc3a8c48027 in () at /usr/lib/libQt5Qml.so.5 #10 0x00007fc3a8c4d30f in () at /usr/lib/libQt5Qml.so.5 #11 0x00007fc3a8bde340 in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () at /usr/lib/libQt5Qml.so.5 #12 0x00007fc3a8d6f030 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /usr/lib/libQt5Qml.so.5 #13 0x00007fc3a8d1587f in QQmlBoundSignalExpression::evaluate(void**) () at /usr/lib/libQt5Qml.so.5 #14 0x00007fc3a8d16eb9 in () at /usr/lib/libQt5Qml.so.5 #15 0x00007fc3a8d5005d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5 #16 0x00007fc3a8cf834e in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5 #17 0x00007fc3a7599eb5 in () at /usr/lib/libQt5Core.so.5 #18 0x00007fc38ce15121 in () at /usr/lib/qt/qml/org/kde/plasma/private/kicker/libkickerplugin.so #19 0x00007fc38cddc5f0 in () at /usr/lib/qt/qml/org/kde/plasma/private/kicker/libkickerplugin.so #20 0x00007fc3a759a370 in () at /usr/lib/libQt5Core.so.5 #21 0x00007fc3877c7fe3 in Plasma::RunnerManager::matchesChanged(QList<Plasma::QueryMatch> const&) () at /usr/lib/libKF5Runner.so.5 #22 0x00007fc3877cc325 in () at /usr/lib/libKF5Runner.so.5
get it back to work after I delete waiting printer jobs and printer queue. Not testet if first one would have been suffcient
Mattheus, please don't add unrelated backtraces. The reported crash in libkcups is already fixed. *** This bug has been marked as a duplicate of bug 326289 ***