Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-19-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I add a System Monitor plasmoid in the panel and when I try to go in the settings pannel I obtain the crash. 

 -- Backtrace:
Application: Spazio di lavoro di Plasma (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7fe1aed3e750 (LWP 1893))]

Thread 2 (Thread 0x7fe18d96a910 (LWP 1894)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007fe1ae77a4fb in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x212aae8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x212aae8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007fe1aabb178c in QHostInfoAgent::run (this=0x212aad0) at kernel/qhostinfo.cpp:260
#4  0x00007fe1ae779445 in QThreadPrivate::start (arg=0x212aad0) at thread/qthread_unix.cpp:188
#5  0x00007fe1ab4efa04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007fe1ac0cf80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe1aed3e750 (LWP 1893)):
[KCrash Handler]
#5  Plasma::Containment::containmentType (this=0x0) at ../../plasma/containment.cpp:418
#6  0x00007fe1a635fc63 in Plasma::Applet::destroy (this=0x1c6d350) at ../../plasma/applet.cpp:429
#7  0x00007fe18b214744 in ?? () from /usr/lib/kde4/plasma_applet_system-monitor.so
#8  0x00007fe18b215058 in ?? () from /usr/lib/kde4/plasma_applet_system-monitor.so
#9  0x00007fe18b21518c in ?? () from /usr/lib/kde4/plasma_applet_system-monitor.so
#10 0x00007fe1ae874ddc in QMetaObject::activate (sender=0x189a6c0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x6) at kernel/qobject.cpp:3113
#11 0x00007fe1a63fa7b2 in Plasma::PushButton::toggled (this=0x0, _t1=false) at ./pushbutton.moc:140
#12 0x00007fe1a63fbbf0 in Plasma::PushButton::qt_metacall (this=0x189a6c0, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fff505a01b0) at ./pushbutton.moc:85
#13 0x00007fe18b216dd5 in MonitorButton::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/kde4/plasma_applet_system-monitor.so
#14 0x00007fe1ae874ddc in QMetaObject::activate (sender=0x241d6a0, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x6) at kernel/qobject.cpp:3113
#15 0x00007fe1ace11872 in QAbstractButton::toggled (this=0x0, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:207
#16 0x00007fe1acb75328 in QAbstractButton::setChecked (this=0x241d6a0, checked=6) at widgets/qabstractbutton.cpp:763
#17 0x00007fe1acb74fea in QAbstractButtonPrivate::click (this=0x2a1db60) at widgets/qabstractbutton.cpp:525
#18 0x00007fe1acb75275 in QAbstractButton::mouseReleaseEvent (this=0x241d6a0, e=0x2a483a0) at widgets/qabstractbutton.cpp:1115
#19 0x00007fe1ac85e9c0 in QWidget::event (this=0x241d6a0, event=0x2a483a0) at kernel/qwidget.cpp:7549
#20 0x00007fe1ac80fefc in QApplicationPrivate::notify_helper (this=0x184f610, receiver=0x241d6a0, e=0x2a483a0) at kernel/qapplication.cpp:4056
#21 0x00007fe1ac817011 in QApplication::notify (this=<value optimized out>, receiver=0x241d6a0, e=0x2a483a0) at kernel/qapplication.cpp:3758
#22 0x00007fe1ad446ab6 in KApplication::notify (this=0x18045a0, receiver=0x241d6a0, event=0x2a483a0) at ../../kdeui/kernel/kapplication.cpp:302
#23 0x00007fe1ae85fc2c in QCoreApplication::notifyInternal (this=0x18045a0, receiver=0x241d6a0, event=0x2a483a0) at kernel/qcoreapplication.cpp:610
#24 0x00007fe1ac8168e0 in QCoreApplication::sendSpontaneousEvent (receiver=0x241d6a0, event=0x2a483a0, alienWidget=0x0, nativeWidget=0x241d6a0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#25 QApplicationPrivate::sendMouseEvent (receiver=0x241d6a0, event=0x2a483a0, alienWidget=0x0, nativeWidget=0x241d6a0, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>)
    at kernel/qapplication.cpp:2924
#26 0x00007fe1acdf5518 in QGraphicsProxyWidgetPrivate::sendWidgetMouseEvent (this=0x189da10, event=0x7fff505a1070) at graphicsview/qgraphicsproxywidget.cpp:278
#27 0x00007fe1acd960e9 in QGraphicsItem::sceneEvent (this=0x0, event=0x6) at graphicsview/qgraphicsitem.cpp:5030
#28 0x00007fe1acdbbbc9 in QGraphicsScenePrivate::sendMouseEvent (this=0x18b7d10, mouseEvent=0x7fff505a1070) at graphicsview/qgraphicsscene.cpp:1230
#29 0x00007fe1acdc40d5 in QGraphicsScene::mouseReleaseEvent (this=<value optimized out>, mouseEvent=0x7fff505a1070) at graphicsview/qgraphicsscene.cpp:4445
#30 0x00007fe1acdc5c9f in QGraphicsScene::event (this=0x191f310, event=0x7fff505a1070) at graphicsview/qgraphicsscene.cpp:3808
#31 0x00007fe1ac80fefc in QApplicationPrivate::notify_helper (this=0x184f610, receiver=0x191f310, e=0x7fff505a1070) at kernel/qapplication.cpp:4056
#32 0x00007fe1ac8171ce in QApplication::notify (this=0x18045a0, receiver=0x191f310, e=0x7fff505a1070) at kernel/qapplication.cpp:4021
#33 0x00007fe1ad446ab6 in KApplication::notify (this=0x18045a0, receiver=0x191f310, event=0x7fff505a1070) at ../../kdeui/kernel/kapplication.cpp:302
#34 0x00007fe1ae85fc2c in QCoreApplication::notifyInternal (this=0x18045a0, receiver=0x191f310, event=0x7fff505a1070) at kernel/qcoreapplication.cpp:610
#35 0x00007fe1acdd7eb1 in QCoreApplication::sendEvent (this=0x278a010, event=0x7fff505a1860) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#36 QGraphicsView::mouseReleaseEvent (this=0x278a010, event=0x7fff505a1860) at graphicsview/qgraphicsview.cpp:3382
#37 0x00007fe1ac85e9c0 in QWidget::event (this=0x278a010, event=0x7fff505a1860) at kernel/qwidget.cpp:7549
#38 0x00007fe1acbba2a6 in QFrame::event (this=0x278a010, e=0x7fff505a1860) at widgets/qframe.cpp:559
#39 0x00007fe1acdd792b in QGraphicsView::viewportEvent (this=0x278a010, event=0x7fff505a1860) at graphicsview/qgraphicsview.cpp:2919
#40 0x00007fe1ae85ef47 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x2a48870, event=0x7fff505a1860) at kernel/qcoreapplication.cpp:726
#41 0x00007fe1ac80fecc in QApplicationPrivate::notify_helper (this=0x184f610, receiver=0x2a48870, e=0x7fff505a1860) at kernel/qapplication.cpp:4052
#42 0x00007fe1ac817011 in QApplication::notify (this=<value optimized out>, receiver=0x2a48870, e=0x7fff505a1860) at kernel/qapplication.cpp:3758
#43 0x00007fe1ad446ab6 in KApplication::notify (this=0x18045a0, receiver=0x2a48870, event=0x7fff505a1860) at ../../kdeui/kernel/kapplication.cpp:302
#44 0x00007fe1ae85fc2c in QCoreApplication::notifyInternal (this=0x18045a0, receiver=0x2a48870, event=0x7fff505a1860) at kernel/qcoreapplication.cpp:610
#45 0x00007fe1ac8168e0 in QCoreApplication::sendSpontaneousEvent (receiver=0x2a48870, event=0x7fff505a1860, alienWidget=0x2a48870, nativeWidget=0x25acfa0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#46 QApplicationPrivate::sendMouseEvent (receiver=0x2a48870, event=0x7fff505a1860, alienWidget=0x2a48870, nativeWidget=0x25acfa0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at kernel/qapplication.cpp:2924
#47 0x00007fe1ac87ca0e in QETWidget::translateMouseEvent (this=0x25acfa0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4409
#48 0x00007fe1ac87baa9 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff505a3390) at kernel/qapplication_x11.cpp:3550
#49 0x00007fe1ac8a4d0c in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#50 0x00007fe1ab740bce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#51 0x00007fe1ab744598 in ?? () from /lib/libglib-2.0.so.0
#52 0x00007fe1ab7446c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#53 0x00007fe1ae8881a6 in QEventDispatcherGlib::processEvents (this=0x17be040, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#54 0x00007fe1ac8a44be in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#55 0x00007fe1ae85e532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#56 0x00007fe1ae85e904 in QEventLoop::exec (this=0x7fff505a36c0, flags=) at kernel/qeventloop.cpp:201
#57 0x00007fe1ae860ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#58 0x00007fe1a2be14cf in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#59 0x0000000000406da8 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a299 "0") at ../../kinit/kinit.cpp:677
#60 0x0000000000407aa0 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#61 0x0000000000407f51 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1362
#62 0x0000000000408bb2 in main (argc=2, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1793
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

This bug may be a duplicate of or related to bug 226099

Reported using DrKonqi