Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-21-generic i686
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
A crash happens when I add the battery monitor-widget onto the desktop and then remove it. It happens every time.

The crash can be reproduced every time.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77d0aa0 (LWP 1411))]

Thread 2 (Thread 0xaadb9b70 (LWP 1413)):
#0  0x0053f422 in __kernel_vsyscall ()
#1  0x001cfb86 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0x030c24eb in g_poll () from /lib/libglib-2.0.so.0
#3  0x030b50ac in ?? () from /lib/libglib-2.0.so.0
#4  0x030b54b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x06ea460f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x06e77059 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0x06e774aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#8  0x06d735a8 in QThread::exec() () from /usr/lib/libQtCore.so.4
#9  0x06e56c1b in ?? () from /usr/lib/libQtCore.so.4
#10 0x06d7632e in ?? () from /usr/lib/libQtCore.so.4
#11 0x00f1696e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#12 0x001dda0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb77d0aa0 (LWP 1411)):
[KCrash Handler]
#6  0x05d718c9 in ?? () from /usr/lib/kde4/plasma_applet_battery.so
#7  0x04ba3406 in QGraphicsItem::~QGraphicsItem() () from /usr/lib/libQtGui.so.4
#8  0x04c050a8 in QGraphicsWidget::~QGraphicsWidget() () from /usr/lib/libQtGui.so.4
#9  0x021ddbe5 in ?? () from /usr/lib/libplasma.so.3
#10 0x021ddcf6 in Plasma::ExtenderItem::~ExtenderItem() () from /usr/lib/libplasma.so.3
#11 0x04ba3406 in QGraphicsItem::~QGraphicsItem() () from /usr/lib/libQtGui.so.4
#12 0x04c0494e in QGraphicsWidget::~QGraphicsWidget() () from /usr/lib/libQtGui.so.4
#13 0x021d6c78 in Plasma::Extender::~Extender() () from /usr/lib/libplasma.so.3
#14 0x02188619 in ?? () from /usr/lib/libplasma.so.3
#15 0x0218eef0 in Plasma::Applet::~Applet() () from /usr/lib/libplasma.so.3
#16 0x021ef2d8 in Plasma::PopupApplet::~PopupApplet() () from /usr/lib/libplasma.so.3
#17 0x05d71990 in ?? () from /usr/lib/kde4/plasma_applet_battery.so
#18 0x06e87d65 in qDeleteInEventHandler(QObject*) () from /usr/lib/libQtCore.so.4
#19 0x06e89428 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#20 0x04c00cf4 in QGraphicsWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x0452e4dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x0453505e in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x0114af2a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#24 0x06e78a3b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#25 0x06e7b473 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#26 0x06e7b5dd in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#27 0x06ea4adf in ?? () from /usr/lib/libQtCore.so.4
#28 0x030b15e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#29 0x030b52d8 in ?? () from /lib/libglib-2.0.so.0
#30 0x030b54b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#31 0x06ea45d5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0x045ee135 in ?? () from /usr/lib/libQtGui.so.4
#33 0x06e77059 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x06e774aa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#35 0x06e7b69f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#36 0x0452e577 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#37 0x0395905e in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#38 0x0804e133 in _start ()

This bug may be a duplicate of or related to bug 205290.

Possible duplicates by query: bug 232408, bug 216941, bug 206330, bug 199665.

Reported using DrKonqi