Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.1 (4.7.1)
Qt Version: 4.7.4
Operating System: Linux 2.6.40.4-5.fc15.x86_64 x86_64
Distribution: "Fedora release 15 (Lovelock)"

-- Information about the crash:
- What I was doing when the application crashed: Logging after several days of uptime (s2ram inbetween) and updates at least to the kernel and several components.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[KCrash Handler]
#6  0x0000003d16e61270 in vtable for QGraphicsLayoutItem () from /usr/lib64/libQtGui.so.4
#7  0x00007fc2e9f90ab6 in TaskGroupItem::~TaskGroupItem (this=0x5969490, __in_chrg=<optimized out>) at /usr/src/debug/kdebase-workspace-4.7.1/kdebase-workspace-4.7.1/plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007fc2e9f90b69 in TaskGroupItem::~TaskGroupItem (this=0x5969490, __in_chrg=<optimized out>) at /usr/src/debug/kdebase-workspace-4.7.1/kdebase-workspace-4.7.1/plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#9  0x0000003d14b70bd8 in QObject::event (this=0x5969490, e=<optimized out>) at kernel/qobject.cpp:1200
#10 0x0000003d169ccd3b in QGraphicsWidget::event (this=0x5969490, event=0x50774a0) at graphicsview/qgraphicswidget.cpp:1455
#11 0x0000003d163b9324 in notify_helper (e=0x50774a0, receiver=0x5969490, this=0x14e40c0) at kernel/qapplication.cpp:4481
#12 QApplicationPrivate::notify_helper (this=0x14e40c0, receiver=0x5969490, e=0x50774a0) at kernel/qapplication.cpp:4453
#13 0x0000003d163be1b1 in QApplication::notify (this=0x14d92d0, receiver=0x5969490, e=0x50774a0) at kernel/qapplication.cpp:4360
#14 0x000000383b04c626 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#15 0x0000003d14b5a20c in QCoreApplication::notifyInternal (this=0x14d92d0, receiver=0x5969490, event=0x50774a0) at kernel/qcoreapplication.cpp:787
#16 0x0000003d14b5d7d4 in sendEvent (event=0x50774a0, receiver=0x5969490) at kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x14395e0) at kernel/qcoreapplication.cpp:1428
#18 0x0000003d14b5da9e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#19 0x00000037a9241193 in kdemain (argc=1, argv=0x7fff389d0ba8) at /usr/src/debug/kdebase-workspace-4.7.1/kdebase-workspace-4.7.1/plasma/desktop/shell/main.cpp:120
#20 0x000000381962139d in __libc_start_main () from /lib64/libc.so.6
#21 0x00000000004008a1 in _start ()

This bug may be a duplicate of or related to bug 275286.

Possible duplicates by query: bug 279613, bug 279335, bug 275286.

Reported using DrKonqi