Bug 380426

Summary: Plasma crashed when I closed a bunch of Okular .pdf documents simultaneously.
Product: [Plasma] plasmashell Reporter: David Psenicka <dpsenick>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bhush94, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.9.4   
Target Milestone: 1.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description David Psenicka 2017-06-01 12:55:29 UTC 
Application: plasmashell (5.9.4)

Qt Version: 5.7.1
Frameworks Version: 5.31.0
Operating System: Linux 4.10.0-21-generic x86_64
Distribution: Ubuntu 17.04

-- Information about the crash:
A bunch of Okular .pdf documents were grouped together into one icon in the Task Manager in my panel.  I tried to close all of them at once by right-clicking and selecting close and the crash followed (the panel disappeared and reappeared a few seconds later).

-- 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 0x7f677466f280 (LWP 2254))]

Thread 11 (Thread 0x7f6677fff700 (LWP 18213)):
#0  0x00007f6761e45ce3 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-10.0.so
#1  0x00007f6761e46079 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-10.0.so
#2  0x00007f6761e468fa in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-10.0.so
#3  0x00007f6762c038ac in pa_mainloop_dispatch () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f6762c03cac in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f6762c03d50 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f6762c11d39 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007f6761e567d8 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-10.0.so
#8  0x00007f676d7e86da in start_thread (arg=0x7f6677fff700) at pthread_create.c:456
#9  0x00007f676e25217f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 10 (Thread 0x7f667f7ff700 (LWP 17177)):
#0  0x00007f676e24618d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6768e97576 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6768e9768c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f676eb69f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f676eb1388a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f676e940fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f676e945c98 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f676d7e86da in start_thread (arg=0x7f667f7ff700) at pthread_create.c:456
#8  0x00007f676e25217f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 9 (Thread 0x7f6685dad700 (LWP 11414)):
#0  0x00007f676e24618d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6768e97576 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6768e9768c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f676eb69f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f676eb1388a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f676e940fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6771808df5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f676e945c98 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f676d7e86da in start_thread (arg=0x7f6685dad700) at pthread_create.c:456
#9  0x00007f676e25217f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 8 (Thread 0x7f669121b700 (LWP 11413)):
#0  0x00007f6768e96cf4 in g_main_context_query () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6768e974e8 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6768e9768c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f676eb69f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f676eb1388a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f676e940fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6771808df5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f676e945c98 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f676d7e86da in start_thread (arg=0x7f669121b700) at pthread_create.c:456
#9  0x00007f676e25217f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 7 (Thread 0x7f66a7188700 (LWP 2727)):
#0  0x00007f676e24618d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6768e97576 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6768e9768c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f676eb69f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f676eb1388a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f676e940fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f66a96a55c7 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f676e945c98 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f676d7e86da in start_thread (arg=0x7f66a7188700) at pthread_create.c:456
#9  0x00007f676e25217f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 6 (Thread 0x7f66bb4df700 (LWP 2631)):
#0  0x00007f676e93d199 in QMutex::unlock() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f676eb696b1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f6768e96a6d in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6768e9749b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6768e9768c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f676eb69f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f676eb1388a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f676e940fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f677238f4c6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f676e945c98 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f676d7e86da in start_thread (arg=0x7f66bb4df700) at pthread_create.c:456
#11 0x00007f676e25217f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 5 (Thread 0x7f673c668700 (LWP 2599)):
#0  0x00007f676d7ee510 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6773ff92c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f6773ff9309 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f676d7e86da in start_thread (arg=0x7f673c668700) at pthread_create.c:456
#4  0x00007f676e25217f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7f674b7be700 (LWP 2504)):
#0  0x00007f6774578b69 in _dl_update_slotinfo (req_modid=1) at dl-tls.c:617
#1  0x00007f6774578dcc in update_get_addr (ti=0x7f676ef5e660) at dl-tls.c:802
#2  0x00007f676e944b26 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f676eb697f1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6768e96f89 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6768e97514 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6768e9768c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f676eb69f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f676eb1388a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f676e940fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f6771808df5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f676e945c98 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f676d7e86da in start_thread (arg=0x7f674b7be700) at pthread_create.c:456
#13 0x00007f676e25217f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7f6756718700 (LWP 2502)):
#0  0x00007f676e241c80 in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6768edbb30 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6768e97042 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6768e97514 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6768e9768c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f676eb69f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f676eb1388a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f676e940fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6771808df5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f676e945c98 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f676d7e86da in start_thread (arg=0x7f6756718700) at pthread_create.c:456
#11 0x00007f676e25217f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7f67607e1700 (LWP 2262)):
#0  0x00007f676e24618d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6768e97576 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6768e9768c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f676eb69f2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f676eb1388a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f676e940fe3 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f676ef7c5c5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f676e945c98 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f676d7e86da in start_thread (arg=0x7f67607e1700) at pthread_create.c:456
#9  0x00007f676e25217f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7f677466f280 (LWP 2254)):
[KCrash Handler]
#6  0x00007f676eadbca0 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f676eadbf89 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f676eae3f79 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f676eb414a9 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f676ebb87c4 in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f676eabcffb in QAbstractItemModel::endRemoveRows() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f66b27705e8 in  () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#13 0x00007f66b27735e9 in  () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#14 0x00007f676eb414a9 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f676ebb8754 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f676eabc8a3 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f676eae16c5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f676eae18c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f676eae3f58 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f676eb414a9 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f676ebb8754 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f676eabc8a3 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f66b9b78d95 in  () at /usr/lib/x86_64-linux-gnu/libKF5ItemModels.so.5
#24 0x00007f66b9b7a331 in  () at /usr/lib/x86_64-linux-gnu/libKF5ItemModels.so.5
#25 0x00007f676eb414a9 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f676ebb8754 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f676eabc8a3 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f676ead6ea0 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f676eb414a9 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f676ebb8754 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f676eabc8a3 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f66b278a578 in TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) () at /usr/lib/x86_64-linux-gnu/libtaskmanager.so.6
#33 0x00007f676eb4181e in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f6771326ff2 in KWindowSystem::windowRemoved(unsigned long long) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#35 0x00007f6756b382e6 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#36 0x00007f677131f342 in NETRootInfo::update(QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#37 0x00007f677132036c in NETRootInfo::event(xcb_generic_event_t*, QFlags<NET::Property>*, QFlags<NET::Property2>*) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#38 0x00007f6771320692 in NETRootInfo::event(xcb_generic_event_t*, unsigned long*, int) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#39 0x00007f6756b37a16 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#40 0x00007f676eb129cf in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f675f83d6a4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#42 0x00007f675f83e385 in QXcbConnection::processXcbEvents() () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#43 0x00007f676eb42359 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007f676fa7835c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007f676fa7fb11 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007f676eb158a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#47 0x00007f676eb1802d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007f676eb69b03 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#49 0x00007f6768e97377 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007f6768e975e0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007f6768e9768c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007f676eb69f0f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#53 0x00007f676eb1388a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#54 0x00007f676eb1bffc in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#55 0x0000556f6d82c0bf in  ()
#56 0x00007f676e16a3f1 in __libc_start_main (main=0x556f6d82b560, argc=1, argv=0x7fffc91135f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffc91135e8) at ../csu/libc-start.c:291
#57 0x0000556f6d82c43a in _start ()

Reported using DrKonqi
Comment 1 Christoph Feck 2017-06-07 15:06:30 UTC 

*** This bug has been marked as a duplicate of bug 342763 ***