Bug 289064

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3) (Compiled from sources)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
Opening & closing Dolphin. Trying to get windows applications to work with WINE.
Looking up Data in google.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f778bd517a0 (LWP 1970))]

Thread 3 (Thread 0x7f7766e0b700 (LWP 1989)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f7766e0aad0 in ?? ()
#2  0x00007fff647c97e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 2 (Thread 0x7f7764bf8700 (LWP 1993)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f7764bf7ad0 in ?? ()
#2  0x00007fff647c97e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x7f778bd517a0 (LWP 1970)):
[KCrash Handler]
#6  isNull (this=0x0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x2146e40) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007f777228c112 in WindowTaskItem::publishIconGeometry (this=0x271ac30) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007f777229ab7c in AbstractTaskItem::timerEvent (this=0x271ac30, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#11 0x00007f7788810789 in QObject::event (this=0x271ac30, e=<optimized out>) at kernel/qobject.cpp:1181
#12 0x00007f77881c889b in QGraphicsWidget::event (this=0x271ac30, event=0x7fff647b1d00) at graphicsview/qgraphicswidget.cpp:1455
#13 0x00007f7787baa424 in notify_helper (e=0x7fff647b1d00, receiver=0x271ac30, this=0xe33ce0) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0xe33ce0, receiver=0x271ac30, e=0x7fff647b1d00) at kernel/qapplication.cpp:4458
#15 0x00007f7787baf291 in QApplication::notify (this=0xe2bca0, receiver=0x271ac30, e=0x7fff647b1d00) at kernel/qapplication.cpp:4365
#16 0x00007f77894a8126 in KApplication::notify (this=0xe2bca0, receiver=0x271ac30, event=0x7fff647b1d00) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f77887f9afc in QCoreApplication::notifyInternal (this=0xe2bca0, receiver=0x271ac30, event=0x7fff647b1d00) at kernel/qcoreapplication.cpp:787
#18 0x00007f7788826d62 in sendEvent (event=0x7fff647b1d00, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0xe30d50) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007f7788824538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#22 0x00007f777fbbda5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f777fbbe258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f777fbbe429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f7788824ed6 in QEventDispatcherGlib::processEvents (this=0xdaff40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007f7787c5207e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f77887f8cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f77887f8ef7 in QEventLoop::exec (this=0x7fff647b1f90, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007f77887fd789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0x00007f778b93e1a3 in kdemain (argc=1, argv=0x7fff647b2378) at ../../../../plasma/desktop/shell/main.cpp:120
#31 0x00007f778b57f30d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff647b2378, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff647b2368) at libc-start.c:226
#32 0x0000000000400671 in _start ()

Possible duplicates by query: bug 289025, bug 288954, bug 288894, bug 288874, bug 288866.

Reported using DrKonqi