Bug 217209

Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-15-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I switched desktop with a keyboard shortcut, and plasma crashed.

Version: KDE 4.3.4, Ubuntu karmic packages.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb770d700 (LWP 11030))]

Thread 2 (Thread 0xac52cb70 (LWP 11033)):
#0  0x0097c422 in __kernel_vsyscall ()
#1  0x00256e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0074178d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x00a9de67 in QWaitConditionPrivate::wait (this=0xa600660, mutex=0xa60065c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0xa600660, mutex=0xa60065c, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0x01403922 in QHostInfoAgent::run (this=0xa600650) at kernel/qhostinfo.cpp:260
#6  0x00a9ce32 in QThreadPrivate::start (arg=0xa600650) at thread/qthread_unix.cpp:188
#7  0x0025280e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0x007347ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb770d700 (LWP 11030)):
[KCrash Handler]
#6  Tasks::itemTopMargin (this=0xa508768) at ../../../../plasma/applets/tasks/tasks.h:92
#7  AbstractTaskItem::basicPreferredSize (this=0xa508768) at ../../../../plasma/applets/tasks/abstracttaskitem.cpp:102
#8  0x04f6e7cb in TaskItemLayout::preferredColumns (this=0xa3da600) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:211
#9  0x04f6f5ca in TaskItemLayout::gridLayoutSize (this=0xa3da600) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:227
#10 0x04f6f68c in TaskItemLayout::layoutItems (this=0xa3da600) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:250
#11 0x04f70069 in TaskItemLayout::insert (this=0xa3da600, index=4, item=0xa9a06e0) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:129
#12 0x04f7027f in TaskItemLayout::addTaskItem (this=0xa3da600, item=0xa9a06e0) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:82
#13 0x04f7d712 in TaskGroupItem::itemAdded (this=0xa574240, groupableItem=0xb16cf20) at ../../../../plasma/applets/tasks/taskgroupitem.cpp:477
#14 0x04f7dda7 in TaskGroupItem::qt_metacall (this=0xa574240, _c=QMetaObject::InvokeMetaMethod, _id=30, _a=0xbfbb7b38) at ./taskgroupitem.moc:113
#15 0x00ba3263 in QMetaObject::activate (sender=0xa5150d0, from_signal_index=21, to_signal_index=21, argv=0xbfbb7b38) at kernel/qobject.cpp:3113
#16 0x00ba3ec2 in QMetaObject::activate (sender=0xa5150d0, m=0x1736bf4, local_signal_index=0, argv=0xbfbb7b38) at kernel/qobject.cpp:3187
#17 0x01728433 in TaskManager::TaskGroup::itemAdded (this=0xa5150d0, _t1=0xb16cf20) at ./taskgroup.moc:145
#18 0x01728e8b in TaskManager::TaskGroup::add (this=0xa5150d0, item=0xb16cf20) at ../../../libs/taskmanager/taskgroup.cpp:138
#19 0x017162cd in TaskManager::ProgramGroupingStrategy::handleItem (this=0xb196748, item=0xb16cf20) at ../../../libs/taskmanager/strategies/programgroupingstrategy.cpp:158
#20 0x01710002 in TaskManager::GroupManagerPrivate::addTask (this=0xa3aa4d0, task=) at ../../../libs/taskmanager/groupmanager.cpp:288
#21 0x01710a45 in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0xa3aa4d0) at ../../../libs/taskmanager/groupmanager.cpp:155
#22 0x017123be in TaskManager::GroupManager::qt_metacall (this=0xa3493a8, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbfbb7d9c) at ./groupmanager.moc:108
#23 0x00ba3263 in QMetaObject::activate (sender=0xa3aa510, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#24 0x00ba3ec2 in QMetaObject::activate (sender=0xa3aa510, m=0xc7e904, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#25 0x00bdd667 in QTimer::timeout (this=0xa3aa510) at .moc/release-shared/moc_qtimer.cpp:128
#26 0x00ba89ae in QTimer::timerEvent (this=0xa3aa510, e=0xbfbb8230) at kernel/qtimer.cpp:261
#27 0x00b9d3bf in QObject::event (this=0xa3aa510, e=0xbfbb8230) at kernel/qobject.cpp:1075
#28 0x035d2f54 in QApplicationPrivate::notify_helper (this=0xa052220, receiver=0xa3aa510, e=0xbfbb8230) at kernel/qapplication.cpp:4056
#29 0x035da67c in QApplication::notify (this=0xa02b358, receiver=0xa3aa510, e=0xbfbb8230) at kernel/qapplication.cpp:3603
#30 0x011c91aa in KApplication::notify (this=0xa02b358, receiver=0xa3aa510, event=0xbfbb8230) at ../../kdeui/kernel/kapplication.cpp:302
#31 0x00b8d6cb in QCoreApplication::notifyInternal (this=0xa02b358, receiver=0xa3aa510, event=0xbfbb8230) at kernel/qcoreapplication.cpp:610
#32 0x00bba7ce in QCoreApplication::sendEvent (this=0xa05430c) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#33 QTimerInfoList::activateTimers (this=0xa05430c) at kernel/qeventdispatcher_unix.cpp:572
#34 0x00bb80e0 in timerSourceDispatch (source=0xa0542d8) at kernel/qeventdispatcher_glib.cpp:165
#35 0x007e4e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#36 0x007e8720 in ?? () from /lib/libglib-2.0.so.0
#37 0x007e8853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#38 0x00bb802c in QEventDispatcherGlib::processEvents (this=0xa052010, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#39 0x03673be5 in QGuiEventDispatcherGlib::processEvents (this=0xa052010, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#40 0x00b8bc79 in QEventLoop::processEvents (this=0xbfbb84f4, flags=) at kernel/qeventloop.cpp:149
#41 0x00b8c0ca in QEventLoop::exec (this=0xbfbb84f4, flags=...) at kernel/qeventloop.cpp:201
#42 0x00b8e53f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#43 0x035d2dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#44 0x059ee80d in kdemain (argc=1, argv=0x9fd99e0) at ../../../../plasma/shells/desktop/main.cpp:50
#45 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x9ffa178 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80511a5 "0") at ../../kinit/kinit.cpp:677
#46 0x0804ea35 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#47 0x0804eeac in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1362
#48 0x0804fbaf in main (argc=2, argv=0xbfbb8d54, envp=0xbfbb8d60) at ../../kinit/kinit.cpp:1793

This bug may be a duplicate of or related to bug 215320

Reported using DrKonqi