Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
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: I started IntelliJ Idea 11.0.1. This causes the Crash Dialog to appear. IntelliJ comes up thereafter nevertheless.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f7b17ded7c0 (LWP 7522))]

Thread 2 (Thread 0x7f7af327b700 (LWP 7523)):
#0  0x00007f7b176cc773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f7b0bc56f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7b0bc57429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7b148bdf3e in QEventDispatcherGlib::processEvents (this=0x1dcdf40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f7b14891cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f7b14891ef7 in QEventLoop::exec (this=0x7f7af327acd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f7b147a927f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f7b14874cbf in QInotifyFileSystemWatcherEngine::run (this=0x1de1ed0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f7b147abd05 in QThreadPrivate::start (arg=0x1de1ed0) at thread/qthread_unix.cpp:331
#9  0x00007f7b08f7056c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f7b0c763efc in start_thread (arg=0x7f7af327b700) at pthread_create.c:304
#11 0x00007f7b176d889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7b17ded7c0 (LWP 7522)):
[KCrash Handler]
#6  isNull (this=0x41) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x41) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x275fb40) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007f7afb787068 in WindowTaskItem::publishIconGeometry (this=0x27ed200, rect=...) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:130
#10 0x00007f7afb796d24 in TaskGroupItem::publishIconGeometry (this=<optimized out>, rect=...) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1432
#11 0x00007f7afb796aa5 in publishIconGeometry (this=0x2142e60) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1424
#12 TaskGroupItem::publishIconGeometry (this=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1416
#13 0x00007f7afb795b7c in AbstractTaskItem::timerEvent (this=0x2142e60, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#14 0x00007f7b148a9789 in QObject::event (this=0x2142e60, e=<optimized out>) at kernel/qobject.cpp:1181
#15 0x00007f7b1426189b in QGraphicsWidget::event (this=0x2142e60, event=0x7fffdafc4ed0) at graphicsview/qgraphicswidget.cpp:1455
#16 0x00007f7b13c43424 in notify_helper (e=0x7fffdafc4ed0, receiver=0x2142e60, this=0x1376a90) at kernel/qapplication.cpp:4486
#17 QApplicationPrivate::notify_helper (this=0x1376a90, receiver=0x2142e60, e=0x7fffdafc4ed0) at kernel/qapplication.cpp:4458
#18 0x00007f7b13c48291 in QApplication::notify (this=0x1368f00, receiver=0x2142e60, e=0x7fffdafc4ed0) at kernel/qapplication.cpp:4365
#19 0x00007f7b15541126 in KApplication::notify (this=0x1368f00, receiver=0x2142e60, event=0x7fffdafc4ed0) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007f7b14892afc in QCoreApplication::notifyInternal (this=0x1368f00, receiver=0x2142e60, event=0x7fffdafc4ed0) at kernel/qcoreapplication.cpp:787
#21 0x00007f7b148bfd62 in sendEvent (event=0x7fffdafc4ed0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QTimerInfoList::activateTimers (this=0x137c410) at kernel/qeventdispatcher_unix.cpp:603
#23 0x00007f7b148bd514 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#24 0x00007f7b0bc56a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f7b0bc57258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f7b0bc57429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f7b148bded6 in QEventDispatcherGlib::processEvents (this=0x12c3f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#28 0x00007f7b13ceb07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x00007f7b14891cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#30 0x00007f7b14891ef7 in QEventLoop::exec (this=0x7fffdafc5160, flags=...) at kernel/qeventloop.cpp:201
#31 0x00007f7b14896789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#32 0x00007f7b179d71a3 in kdemain (argc=1, argv=0x7fffdafc5548) at ../../../../plasma/desktop/shell/main.cpp:120
#33 0x00007f7b1761830d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffdafc5548, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffdafc5538) at libc-start.c:226
#34 0x0000000000400671 in _start ()

Possible duplicates by query: bug 291974, bug 291943, bug 291919, bug 291918, bug 291914.

Reported using DrKonqi