Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

I just end an active video-call in Skype. Directly after that Plasma chrashed.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f6ebc0287c0 (LWP 1778))]

Thread 4 (Thread 0x7f6e9896c700 (LWP 1779)):
#0  0x00007f6ebb905773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6eafe8ff68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6eafe90429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6eb8af6f3e in QEventDispatcherGlib::processEvents (this=0x177dea0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6eb8acacf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6eb8acaef7 in QEventLoop::exec (this=0x7f6e9896bcd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f6eb89e227f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f6eb8aadcbf in QInotifyFileSystemWatcherEngine::run (this=0x177c610) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f6eb89e4d05 in QThreadPrivate::start (arg=0x177c610) at thread/qthread_unix.cpp:331
#9  0x00007f6ead1a956c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f6eb099cefc in start_thread (arg=0x7f6e9896c700) at pthread_create.c:304
#11 0x00007f6ebb91189d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f6e8ea49700 (LWP 1785)):
#0  0x00007f6ebb905773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6eafe8ff68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6eafe90792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6e8f527516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f6eafeb52b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6ead1a956c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#6  0x00007f6eb099cefc in start_thread (arg=0x7f6e8ea49700) at pthread_create.c:304
#7  0x00007f6ebb91189d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6e825e9700 (LWP 1806)):
#0  0x00007f6ebb905773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6eafe8ff68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6eafe90429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6eb8af6f3e in QEventDispatcherGlib::processEvents (this=0x2e10130, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6eb8acacf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6eb8acaef7 in QEventLoop::exec (this=0x7f6e825e8cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f6eb89e227f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f6eb8aadcbf in QInotifyFileSystemWatcherEngine::run (this=0x2e07f70) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f6eb89e4d05 in QThreadPrivate::start (arg=0x2e07f70) at thread/qthread_unix.cpp:331
#9  0x00007f6ead1a956c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f6eb099cefc in start_thread (arg=0x7f6e825e9700) at pthread_create.c:304
#11 0x00007f6ebb91189d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6ebc0287c0 (LWP 1778)):
[KCrash Handler]
#6  isNull (this=0x4d0000) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x4d0000) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x34f71e0) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007f6ea0844112 in WindowTaskItem::publishIconGeometry (this=0x1777e10) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007f6ea0852b7c in AbstractTaskItem::timerEvent (this=0x1777e10, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#11 0x00007f6eb8ae2789 in QObject::event (this=0x1777e10, e=<optimized out>) at kernel/qobject.cpp:1181
#12 0x00007f6eb849a89b in QGraphicsWidget::event (this=0x1777e10, event=0x7fff438b10c0) at graphicsview/qgraphicswidget.cpp:1455
#13 0x00007f6eb7e7c424 in notify_helper (e=0x7fff438b10c0, receiver=0x1777e10, this=0xcda120) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0xcda120, receiver=0x1777e10, e=0x7fff438b10c0) at kernel/qapplication.cpp:4458
#15 0x00007f6eb7e81291 in QApplication::notify (this=0xcc3250, receiver=0x1777e10, e=0x7fff438b10c0) at kernel/qapplication.cpp:4365
#16 0x00007f6eb977a126 in KApplication::notify (this=0xcc3250, receiver=0x1777e10, event=0x7fff438b10c0) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f6eb8acbafc in QCoreApplication::notifyInternal (this=0xcc3250, receiver=0x1777e10, event=0x7fff438b10c0) at kernel/qcoreapplication.cpp:787
#18 0x00007f6eb8af8d62 in sendEvent (event=0x7fff438b10c0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0xcde710) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007f6eb8af6538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#22 0x00007f6eafe8fa5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f6eafe90258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f6eafe90429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f6eb8af6ed6 in QEventDispatcherGlib::processEvents (this=0xc1ff40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007f6eb7f2407e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f6eb8acacf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f6eb8acaef7 in QEventLoop::exec (this=0x7fff438b1350, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007f6eb8acf789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0x00007f6ebbc101a3 in kdemain (argc=1, argv=0x7fff438b1738) at ../../../../plasma/desktop/shell/main.cpp:120
#31 0x00007f6ebb85130d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff438b1738, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff438b1728) at libc-start.c:226
#32 0x0000000000400671 in _start ()

Possible duplicates by query: bug 286350, bug 286326, bug 286299, bug 286268, bug 286254.

Reported using DrKonqi