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: using freetux.tv. I clcked to toggle from window to screen. I get a small window for freetux-tv and the window of freetux-tv I was looking at, seeing Arte German without problem.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f5ebc2f47c0 (LWP 1658))]

Thread 4 (Thread 0x7f5e99dbe700 (LWP 1659)):
#0  0x00007f5ebbcd2773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5eb025cf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5eb025d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5eb8ec3f3e in QEventDispatcherGlib::processEvents (this=0x2960e20, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5eb8e97cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5eb8e97ef7 in QEventLoop::exec (this=0x7f5e99dbdd90, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f5eb8daf27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f5eb8e7acbf in QInotifyFileSystemWatcherEngine::run (this=0x295f4f0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5eb8db1d05 in QThreadPrivate::start (arg=0x295f4f0) at thread/qthread_unix.cpp:331
#9  0x00007f5eb0d69efc in start_thread (arg=0x7f5e99dbe700) at pthread_create.c:304
#10 0x00007f5ebbcde89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f5e90b17700 (LWP 1660)):
#0  0x00007f5ebbcd2773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5eb025cf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5eb025d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5eb8ec3f3e in QEventDispatcherGlib::processEvents (this=0x320d300, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5eb8e97cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5eb8e97ef7 in QEventLoop::exec (this=0x7f5e90b16d90, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f5eb8daf27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f5eb8e7acbf in QInotifyFileSystemWatcherEngine::run (this=0x320c760) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5eb8db1d05 in QThreadPrivate::start (arg=0x320c760) at thread/qthread_unix.cpp:331
#9  0x00007f5eb0d69efc in start_thread (arg=0x7f5e90b17700) at pthread_create.c:304
#10 0x00007f5ebbcde89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5e8d8c8700 (LWP 1666)):
#0  0x00007f5ebbcd2773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5eb025cf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5eb025d792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5e8e3a6516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f5eb02822b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5eb0d69efc in start_thread (arg=0x7f5e8d8c8700) at pthread_create.c:304
#6  0x00007f5ebbcde89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5ebc2f47c0 (LWP 1658)):
[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=0x4abba70) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007f5ea069b068 in WindowTaskItem::publishIconGeometry (this=0x3963cb0, rect=...) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:130
#10 0x00007f5ea06aad24 in TaskGroupItem::publishIconGeometry (this=<optimized out>, rect=...) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1432
#11 0x00007f5ea06aaaa5 in publishIconGeometry (this=0x4bc6000) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1424
#12 TaskGroupItem::publishIconGeometry (this=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1416
#13 0x00007f5ea06a9b7c in AbstractTaskItem::timerEvent (this=0x4bc6000, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#14 0x00007f5eb8eaf789 in QObject::event (this=0x4bc6000, e=<optimized out>) at kernel/qobject.cpp:1181
#15 0x00007f5eb886789b in QGraphicsWidget::event (this=0x4bc6000, event=0x7fffa9a77980) at graphicsview/qgraphicswidget.cpp:1455
#16 0x00007f5eb8249424 in notify_helper (e=0x7fffa9a77980, receiver=0x4bc6000, this=0x1f15e60) at kernel/qapplication.cpp:4486
#17 QApplicationPrivate::notify_helper (this=0x1f15e60, receiver=0x4bc6000, e=0x7fffa9a77980) at kernel/qapplication.cpp:4458
#18 0x00007f5eb824e291 in QApplication::notify (this=0x1efd7a0, receiver=0x4bc6000, e=0x7fffa9a77980) at kernel/qapplication.cpp:4365
#19 0x00007f5eb9b47126 in KApplication::notify (this=0x1efd7a0, receiver=0x4bc6000, event=0x7fffa9a77980) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007f5eb8e98afc in QCoreApplication::notifyInternal (this=0x1efd7a0, receiver=0x4bc6000, event=0x7fffa9a77980) at kernel/qcoreapplication.cpp:787
#21 0x00007f5eb8ec5d62 in sendEvent (event=0x7fffa9a77980, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QTimerInfoList::activateTimers (this=0x1f1a770) at kernel/qeventdispatcher_unix.cpp:603
#23 0x00007f5eb8ec3538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#24 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#25 0x00007f5eb025ca5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f5eb025d258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f5eb025d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f5eb8ec3ed6 in QEventDispatcherGlib::processEvents (this=0x1e93f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#29 0x00007f5eb82f107e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x00007f5eb8e97cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#31 0x00007f5eb8e97ef7 in QEventLoop::exec (this=0x7fffa9a77c10, flags=...) at kernel/qeventloop.cpp:201
#32 0x00007f5eb8e9c789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#33 0x00007f5ebbfdd1a3 in kdemain (argc=1, argv=0x7fffa9a77ff8) at ../../../../plasma/desktop/shell/main.cpp:120
#34 0x00007f5ebbc1e30d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffa9a77ff8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa9a77fe8) at libc-start.c:226
#35 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 272495.

Possible duplicates by query: bug 291054, bug 291036, bug 291000, bug 290995, bug 290994.

Reported using DrKonqi