4.3 branch plasma crash in AbstractTaskItem::basicPreferredSize

[David Faure]

Plasma crashes rather often for me.
I finally got a bt of the crash. Is this enough info for anyone to fix it?
Please CC me, I'm not subscribed.

#0  0x00007fd31e4be4c4 in Tasks::itemTopMargin (this=0x0) at /d/kde/src/4/kdebase/workspace/plasma/applets/tasks/tasks.h:92
#1  0x00007fd31e4bd0ab in AbstractTaskItem::basicPreferredSize (this=0x2bce6c0) at /d/kde/src/4/kdebase/workspace/plasma/applets/tasks/abstr
acttaskitem.cpp:99
#2  0x00007fd31e4b5a64 in TaskItemLayout::preferredColumns (this=0x2c5e640) at /d/kde/src/4/kdebase/workspace/plasma/applets/tasks/taskiteml
ayout.cpp:206
#3  0x00007fd31e4b5f53 in TaskItemLayout::gridLayoutSize (this=0x2c5e640) at /d/kde/src/4/kdebase/workspace/plasma/applets/tasks/taskitemlay
out.cpp:222
#4  0x00007fd31e4b600e in TaskItemLayout::layoutItems (this=0x2c5e640) at /d/kde/src/4/kdebase/workspace/plasma/applets/tasks/taskitemlayout
.cpp:245
#5  0x00007fd31e4b6a67 in TaskItemLayout::remove (this=0x2c5e640, item=0x42e6140) at /d/kde/src/4/kdebase/workspace/plasma/applets/tasks/tas
kitemlayout.cpp:136
#6  0x00007fd31e4b6b6f in TaskItemLayout::removeTaskItem (this=0x2c5e640, item=0x42e6140) at /d/kde/src/4/kdebase/workspace/plasma/applets/t
asks/taskitemlayout.cpp:93
#7  0x00007fd31e4c2e1f in TaskGroupItem::itemRemoved (this=0x2c5dcd0, groupableItem=0x420c770) at /d/kde/src/4/kdebase/workspace/plasma/appl
ets/tasks/taskgroupitem.cpp:521
#8  0x00007fd31e4c4fc2 in TaskGroupItem::qt_metacall (this=0x2c5dcd0, _c=QMetaObject::InvokeMetaMethod, _id=15, _a=0x7fff4322dc60) at /d/kde
/build/4/kdebase/workspace/plasma/applets/tasks/taskgroupitem.moc:114
#9  0x00007fd33618b614 in QMetaObject::activate (sender=0x2c572f0, from_signal_index=22, to_signal_index=22, argv=0x7fff4322dc60) at kernel/
qobject.cpp:3109
#10 0x00007fd33618ca11 in QMetaObject::activate (sender=0x2c572f0, m=0x7fd31eb2f740, local_signal_index=1, argv=0x7fff4322dc60) at kernel/qo
bject.cpp:3186
#11 0x00007fd31e90de13 in TaskManager::TaskGroup::itemRemoved (this=0x2c572f0, _t1=0x420c770) at /d/kde/build/4/kdebase/workspace/libs/taskm
anager/taskgroup.moc:146
#12 0x00007fd31e90f83b in TaskManager::TaskGroup::remove (this=0x2c572f0, item=0x420c770) at /d/kde/src/4/kdebase/workspace/libs/taskmanager
/taskgroup.cpp:182
#13 0x00007fd31e90fa4f in TaskManager::TaskGroup::add (this=0x4173f10, item=0x420c770) at /d/kde/src/4/kdebase/workspace/libs/taskmanager/ta
skgroup.cpp:120
#14 0x00007fd31e8f0221 in TaskManager::AbstractGroupingStrategy::createGroup (this=0x36734a0, items={{p = {d = 0x7fff4322de20}, d = 0x7fff43
22de20}}) at /d/kde/src/4/kdebase/workspace/libs/taskmanager/abstractgroupingstrategy.cpp:140
#15 0x00007fd31e8faf9f in TaskManager::ProgramGroupingStrategy::programGrouping (this=0x36734a0, taskItem=0x31b2320, groupItem=0x2c572f0) at
 /d/kde/src/4/kdebase/workspace/libs/taskmanager/strategies/programgroupingstrategy.cpp:191
#16 0x00007fd31e8fb264 in TaskManager::ProgramGroupingStrategy::handleItem (this=0x36734a0, item=0x31b2320) at /d/kde/src/4/kdebase/workspac
e/libs/taskmanager/strategies/programgroupingstrategy.cpp:152
#17 0x00007fd31e8f3e4b in TaskManager::GroupManagerPrivate::addTask (this=0x2c3f9e0, task={d = 0x7fff4322e0b0}) at /d/kde/src/4/kdebase/work
space/libs/taskmanager/groupmanager.cpp:288
#18 0x00007fd31e8f436c in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0x2c3f9e0) at /d/kde/src/4/kdebase/workspace/libs/task
manager/groupmanager.cpp:155
#19 0x00007fd31e8f4cd3 in TaskManager::GroupManager::qt_metacall (this=0x2c3e5c0, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x7fff4322e23
0) at /d/kde/build/4/kdebase/workspace/libs/taskmanager/groupmanager.moc:108
#20 0x00007fd33618b614 in QMetaObject::activate (sender=0x2c3fa48, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3
109
#21 0x00007fd33618ca11 in QMetaObject::activate (sender=0x2c3fa48, m=0x7fd3364842a0, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3
186
#22 0x00007fd3361c770c in QTimer::timeout (this=0x2c3fa48) at .moc/debug-shared/moc_qtimer.cpp:128
#23 0x00007fd336193fd6 in QTimer::timerEvent (this=0x2c3fa48, e=0x7fff4322eac0) at kernel/qtimer.cpp:261
#24 0x00007fd3361893e8 in QObject::event (this=0x2c3fa48, e=0x7fff4322eac0) at kernel/qobject.cpp:1074
#25 0x00007fd33690af03 in QApplicationPrivate::notify_helper (this=0x2426f10, receiver=0x2c3fa48, e=0x7fff4322eac0) at kernel/qapplication.c
pp:4056
#26 0x00007fd33690b2a5 in QApplication::notify (this=0x240fbf0, receiver=0x2c3fa48, e=0x7fff4322eac0) at kernel/qapplication.cpp:3603
#27 0x00007fd3392ab3f7 in KApplication::notify (this=0x240fbf0, receiver=0x2c3fa48, event=0x7fff4322eac0) at /d/kde/src/4/kdelibs/kdeui/kern
el/kapplication.cpp:302
#28 0x00007fd336175295 in QCoreApplication::notifyInternal (this=0x240fbf0, receiver=0x2c3fa48, event=0x7fff4322eac0) at kernel/qcoreapplica
tion.cpp:606
#29 0x00007fd336907d91 in QCoreApplication::sendEvent (receiver=0x2c3fa48, event=0x7fff4322eac0) at ../../include/QtCore/../../src/corelib/k
ernel/qcoreapplication.h:213


-- 
David Faure, faure at kde.org, sponsored by Qt Software @ Nokia to work on KDE,
Konqueror (http://www.konqueror.org), and KOffice (http://www.koffice.org).