Bug 290586

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.95 (4.8 RC1 (4.7.95) (Compiled from sources)
Qt Version: 4.8.0
Operating System: Linux 3.0.6-gentoo x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed:

Add an event in an Akonadi calendar (akonadi-google). After selecting the calendar and closing the window, plasma crashed.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f71deed3760 (LWP 4959))]

Thread 3 (Thread 0x7f71ba6ce700 (LWP 4963)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f71d163e634 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f71d1958180) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f71d163e669 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f71d1966254) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f71dd76ed5c in start_thread (arg=0x7f71ba6ce700) at pthread_create.c:301
#4  0x00007f71dc5012dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f71b8cbf700 (LWP 4964)):
#0  0x00007f71dd77287e in __pthread_mutex_unlock_usercnt (mutex=0x2558438, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  0x00007f71d950fe4a in g_main_context_prepare (context=0x2558430, priority=0x7f71b8cbecbc) at gmain.c:2760
#2  0x00007f71d9510c79 in g_main_context_iterate (context=0x2558430, block=1, dispatch=1, self=<optimized out>) at gmain.c:3069
#3  0x00007f71d95112c1 in g_main_context_iteration (context=0x2558430, may_block=1) at gmain.c:3152
#4  0x00007f71ddb2e316 in QEventDispatcherGlib::processEvents (this=0x25fdb40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f71ddafdfd2 in QEventLoop::processEvents (this=<optimized out>, flags=) at kernel/qeventloop.cpp:147
#6  0x00007f71ddafe28d in QEventLoop::exec (this=0x7f71b8cbede0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f71dd9fad48 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x00007f71ddadcbb8 in connect (atype=Qt::AutoCompatConnection, amember=0x7f71ddbd68dc "1readFromInotify()", asignal=0x7f71ddbd6726 "2activated(int)", asender=0x7f71b8cbee30, this=0x2558690) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:339
#9  QInotifyFileSystemWatcherEngine::run (this=0x2558690) at io/qfilesystemwatcher_inotify.cpp:247
#10 0x00007f71dd9fd3cb in QThreadPrivate::start (arg=0x2558690) at thread/qthread_unix.cpp:298
#11 0x00007f71dd76ed5c in start_thread (arg=0x7f71b8cbf700) at pthread_create.c:301
#12 0x00007f71dc5012dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f71deed3760 (LWP 4959)):
[KCrash Handler]
#6  QModelIndex (other=..., this=<optimized out>) at /usr/include/qt4/QtCore/qabstractitemmodel.h:65
#7  KDescendantsProxyModel::mapFromSource (this=0x2383df0, sourceIndex=...) at /var/tmp/portage/kde-base/kdelibs-4.7.95/work/kdelibs-4.7.95/kdeui/itemviews/kdescendantsproxymodel.cpp:462
#8  0x00007f71de8889fe in KDescendantsProxyModelPrivate::sourceRowsAboutToBeInserted (this=0x276ca30, parent=<optimized out>, start=55, end=55) at /var/tmp/portage/kde-base/kdelibs-4.7.95/work/kdelibs-4.7.95/kdeui/itemviews/kdescendantsproxymodel.cpp:571
#9  0x00007f71ddb1488a in QMetaObject::activate (sender=0x252beb0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff13b50d30) at kernel/qobject.cpp:3547
#10 0x00007f71ddb5fd04 in QAbstractItemModel::rowsAboutToBeInserted (this=0x29eb5a8, _t1=..., _t2=55, _t3=55) at .moc/release-shared/moc_qabstractitemmodel.cpp:189
#11 0x00007f71ddaf62e8 in ~QModelIndex (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qabstractitemmodel.h:66
#12 ~Change (this=<optimized out>, __in_chrg=<optimized out>) at ../../include/QtCore/private/../../../src/corelib/kernel/qabstractitemmodel_p.h:134
#13 QAbstractItemModel::beginInsertRows (this=<optimized out>, parent=<optimized out>, first=55, last=55) at kernel/qabstractitemmodel.cpp:2415
#14 0x00007f71bc11c990 in Akonadi::EntityTreeModelPrivate::monitoredItemAdded (this=0x2865210, item=..., collection=...) at /var/tmp/portage/kde-base/kdepimlibs-4.7.95/work/kdepimlibs-4.7.95/akonadi/entitytreemodel_p.cpp:1012
#15 0x00007f71ddb1488a in QMetaObject::activate (sender=0x26b5ff0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff13b51040) at kernel/qobject.cpp:3547
#16 0x00007f71bc158eda in Akonadi::Monitor::itemAdded (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at /var/tmp/portage/kde-base/kdepimlibs-4.7.95/work/kdepimlibs-4.7.95_build/akonadi/monitor.moc:203
#17 0x00007f71bc15c35a in Akonadi::MonitorPrivate::emitItemNotification (this=0x285fb70, msg=..., item=<optimized out>, collection=<optimized out>, collectionDest=<optimized out>) at /var/tmp/portage/kde-base/kdepimlibs-4.7.95/work/kdepimlibs-4.7.95/akonadi/monitor_p.cpp:520
#18 0x00007f71bc15e614 in Akonadi::MonitorPrivate::emitNotification (this=0x285fb70, msg=...) at /var/tmp/portage/kde-base/kdepimlibs-4.7.95/work/kdepimlibs-4.7.95/akonadi/monitor_p.cpp:288
#19 0x00007f71bc0c12a1 in Akonadi::ChangeRecorderPrivate::emitNotification (this=0x285fb70, msg=<optimized out>) at /var/tmp/portage/kde-base/kdepimlibs-4.7.95/work/kdepimlibs-4.7.95/akonadi/changerecorder_p.h:60
#20 0x00007f71bc15cfe4 in Akonadi::MonitorPrivate::flushPipeline (this=0x285fb70) at /var/tmp/portage/kde-base/kdepimlibs-4.7.95/work/kdepimlibs-4.7.95/akonadi/monitor_p.cpp:429
#21 0x00007f71bc15d089 in Akonadi::MonitorPrivate::dataAvailable (this=0x285fb70) at /var/tmp/portage/kde-base/kdepimlibs-4.7.95/work/kdepimlibs-4.7.95/akonadi/monitor_p.cpp:438
#22 0x00007f71ddb1488a in QMetaObject::activate (sender=0x27f5560, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#23 0x00007f71bc0c6163 in Akonadi::EntityCache<Akonadi::Item, Akonadi::ItemFetchJob, Akonadi::ItemFetchScope>::processResult (this=0x27f5560, job=<optimized out>) at /var/tmp/portage/kde-base/kdepimlibs-4.7.95/work/kdepimlibs-4.7.95/akonadi/entitycache_p.h:192
#24 0x00007f71ddb1488a in QMetaObject::activate (sender=0x2931180, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff13b51840) at kernel/qobject.cpp:3547
#25 0x00007f71ddf947d2 in KJob::result (this=<optimized out>, _t1=0x2931180) at /var/tmp/portage/kde-base/kdelibs-4.7.95/work/kdelibs-4.7.95_build/kdecore/kjob.moc:208
#26 0x00007f71ddf94810 in KJob::emitResult (this=0x2931180) at /var/tmp/portage/kde-base/kdelibs-4.7.95/work/kdelibs-4.7.95/kdecore/jobs/kjob.cpp:318
#27 0x00007f71ddb13cc6 in setCurrentSender (sender=0x91, receiver=<optimized out>) at kernel/qobject_p.h:235
#28 QObject::event (this=0x2931180, e=0x0) at kernel/qobject.cpp:1190
#29 0x00007f71dcc80724 in QApplicationPrivate::notify_helper (this=0x1a19990, receiver=0x2931180, e=0x31e8740) at kernel/qapplication.cpp:4550
#30 0x00007f71dcc8536f in QApplication::notify (this=<optimized out>, receiver=0x2931180, e=0x31e8740) at kernel/qapplication.cpp:4411
#31 0x00007f71de8c5fd6 in KApplication::notify (this=0x1a0c550, receiver=0x2931180, event=0x31e8740) at /var/tmp/portage/kde-base/kdelibs-4.7.95/work/kdelibs-4.7.95/kdeui/kernel/kapplication.cpp:311
#32 0x00007f71ddafefac in QCoreApplication::notifyInternal (this=0x1a0c550, receiver=0x2931180, event=0x31e8740) at kernel/qcoreapplication.cpp:876
#33 0x00007f71ddb02598 in sendEvent (event=0x31e8740, receiver=0x2931180) at kernel/qcoreapplication.h:231
#34 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x195f6f0) at kernel/qcoreapplication.cpp:1500
#35 0x00007f71ddb2e123 in operator int (this=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:85
#36 postEventSourceDispatch (s=0x29eb5a8) at kernel/qeventdispatcher_glib.cpp:278
#37 0x00007f71d95108df in g_main_dispatch (context=0x1a20da0) at gmain.c:2441
#38 g_main_context_dispatch (context=0x1a20da0) at gmain.c:3011
#39 0x00007f71d95110e8 in g_main_context_iterate (context=0x1a20da0, block=1, dispatch=1, self=<optimized out>) at gmain.c:3089
#40 0x00007f71d95112c1 in g_main_context_iteration (context=0x1a20da0, may_block=1) at gmain.c:3152
#41 0x00007f71ddb2e2bf in QEventDispatcherGlib::processEvents (this=0x1a19820, flags=) at kernel/qeventdispatcher_glib.cpp:424
#42 0x00007f71dcd25eae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#43 0x00007f71ddafdfd2 in QEventLoop::processEvents (this=<optimized out>, flags=) at kernel/qeventloop.cpp:147
#44 0x00007f71ddafe28d in QEventLoop::exec (this=0x7fff13b52240, flags=...) at kernel/qeventloop.cpp:204
#45 0x00007f71ddb02a3b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1146
#46 0x00007f71cb1f845d in kdemain (argc=1, argv=0x19b2720) at /var/tmp/portage/kde-base/plasma-workspace-4.7.95/work/plasma-workspace-4.7.95/plasma/desktop/shell/main.cpp:120
#47 0x0000000000406b69 in launch (argc=1, _name=0x19b1d18 "/usr/bin/plasma-desktop", args=<optimized out>, cwd=0x0, envc=<optimized out>, envs=<optimized out>, reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40abce "0") at /var/tmp/portage/kde-base/kdelibs-4.7.95/work/kdelibs-4.7.95/kinit/kinit.cpp:734
#48 0x00000000004077d0 in handle_launcher_request (sock=<optimized out>, who=<optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.7.95/work/kdelibs-4.7.95/kinit/kinit.cpp:1226
#49 0x0000000000407ec5 in handle_requests (waitForPid=<optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.7.95/work/kdelibs-4.7.95/kinit/kinit.cpp:1419
#50 0x0000000000408ab2 in main (argc=2, argv=0x7fff13b534f8, envp=0x7fff13b53510) at /var/tmp/portage/kde-base/kdelibs-4.7.95/work/kdelibs-4.7.95/kinit/kinit.cpp:1907

Reported using DrKonqi