Bug 273680

Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-9-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
I want to add an usb hp printer. I think the system had finised to boot.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f2723ce47c0 (LWP 1455))]

Thread 3 (Thread 0x7f26fa2a8700 (LWP 1460)):
#0  0x00007f27235def03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f2717fc1104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2717fc1639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f27207ed446 in QEventDispatcherGlib::processEvents (this=0x139bab0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f27207c1882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f27207c1abc in QEventLoop::exec (this=0x7f26fa2a7cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f27206d8924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f27207a3c2f in QInotifyFileSystemWatcherEngine::run (this=0x1396880) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f27206db175 in QThreadPrivate::start (arg=0x1396880) at thread/qthread_unix.cpp:320
#9  0x00007f2716046853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f27188c4d8c in start_thread (arg=0x7f26fa2a8700) at pthread_create.c:304
#11 0x00007f27235ec04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f26f704e700 (LWP 1464)):
#0  0x00007f27235def03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f2717fc1104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2717fc1639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f27207ed446 in QEventDispatcherGlib::processEvents (this=0x7f2700005f60, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f27207c1882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f27207c1abc in QEventLoop::exec (this=0x7f26f704dcd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f27206d8924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f27207a3c2f in QInotifyFileSystemWatcherEngine::run (this=0x1434a60) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f27206db175 in QThreadPrivate::start (arg=0x1434a60) at thread/qthread_unix.cpp:320
#9  0x00007f2716046853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f27188c4d8c in start_thread (arg=0x7f26f704e700) at pthread_create.c:304
#11 0x00007f27235ec04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2723ce47c0 (LWP 1455)):
[KCrash Handler]
#6  0x0000000001b9c09a in ?? ()
#7  0x00007f2707ec381f in ~KSharedPtr (data=0x1b8dda0, this=<value optimized out>) at /usr/include/KDE/../ksharedptr.h:90
#8  node_destruct (data=0x1b8dda0, this=<value optimized out>) at /usr/include/qt4/QtCore/qlist.h:418
#9  QList<KSharedPtr<TaskManager::Task> >::free (data=0x1b8dda0, this=<value optimized out>) at /usr/include/qt4/QtCore/qlist.h:742
#10 0x00007f2707ec6b97 in ~AbstractGroupableItemAction (this=0x1be58e0, __in_chrg=<value optimized out>) at ../../../libs/taskmanager/taskactions_p.h:99
#11 ~ToDesktopActionImpl (this=0x1be58e0, __in_chrg=<value optimized out>) at ../../../libs/taskmanager/taskactions_p.h:123
#12 TaskManager::ToDesktopActionImpl::~ToDesktopActionImpl (this=0x1be58e0, __in_chrg=<value optimized out>) at ../../../libs/taskmanager/taskactions_p.h:123
#13 0x00007f27207d4c14 in QObjectPrivate::deleteChildren (this=0x1ba0f10) at kernel/qobject.cpp:1964
#14 0x00007f271fbcfee2 in QWidget::~QWidget (this=0x1b47250, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1631
#15 0x00007f2707ec65f1 in ~DesktopsMenu (this=<value optimized out>, __in_chrg=<value optimized out>) at ../../../libs/taskmanager/taskactions.h:91
#16 TaskManager::DesktopsMenu::~DesktopsMenu (this=<value optimized out>, __in_chrg=<value optimized out>) at ../../../libs/taskmanager/taskactions.h:91
#17 0x00007f27207d4c14 in QObjectPrivate::deleteChildren (this=0x1b9dff0) at kernel/qobject.cpp:1964
#18 0x00007f271fbcfee2 in QWidget::~QWidget (this=0x7fff805217a0, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1631
#19 0x00007f2707c78589 in ~BasicMenu (this=0x1b9efd0, e=<value optimized out>) at ../../../../../libs/taskmanager/taskactions.h:115
#20 WindowTaskItem::contextMenuEvent (this=0x1b9efd0, e=<value optimized out>) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:338
#21 0x00007f2720150e9c in QGraphicsItem::sceneEvent (this=0x1b9efe0, event=0x7fff80521fb0) at graphicsview/qgraphicsitem.cpp:6691
#22 0x00007f27201796cb in QGraphicsScene::contextMenuEvent (this=<value optimized out>, contextMenuEvent=0x7fff80521fb0) at graphicsview/qgraphicsscene.cpp:3596
#23 0x00007f272018c724 in QGraphicsScene::event (this=0x99aa60, event=0x7fff80521fb0) at graphicsview/qgraphicsscene.cpp:3394
#24 0x00007f271fb839e4 in QApplicationPrivate::notify_helper (this=0x8b4890, receiver=0x99aa60, e=0x7fff80521fb0) at kernel/qapplication.cpp:4462
#25 0x00007f271fb883aa in QApplication::notify (this=<value optimized out>, receiver=0x99aa60, e=0x7fff80521fb0) at kernel/qapplication.cpp:4341
#26 0x00007f272147a866 in KApplication::notify (this=0x880e70, receiver=0x99aa60, event=0x7fff80521fb0) at ../../kdeui/kernel/kapplication.cpp:311
#27 0x00007f27207c249c in QCoreApplication::notifyInternal (this=0x880e70, receiver=0x99aa60, event=0x7fff80521fb0) at kernel/qcoreapplication.cpp:731
#28 0x00007f272019e96b in sendEvent (this=0x1729530, event=0x7fff805228a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#29 QGraphicsView::contextMenuEvent (this=0x1729530, event=0x7fff805228a0) at graphicsview/qgraphicsview.cpp:2890
#30 0x00007f271fbd4a10 in QWidget::event (this=0x1729530, event=0x7fff805228a0) at kernel/qwidget.cpp:8426
#31 0x00007f271ff84a66 in QFrame::event (this=0x1729530, e=0x7fff805228a0) at widgets/qframe.cpp:557
#32 0x00007f27201a6e8b in QGraphicsView::viewportEvent (this=0x1729530, event=0x7fff805228a0) at graphicsview/qgraphicsview.cpp:2864
#33 0x00007f27207c2627 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x16f01d0, event=0x7fff805228a0) at kernel/qcoreapplication.cpp:846
#34 0x00007f271fb839b1 in QApplicationPrivate::notify_helper (this=0x8b4890, receiver=0x16f01d0, e=0x7fff805228a0) at kernel/qapplication.cpp:4458
#35 0x00007f271fb88561 in QApplication::notify (this=<value optimized out>, receiver=0x16f01d0, e=0x7fff805228a0) at kernel/qapplication.cpp:4102
#36 0x00007f272147a866 in KApplication::notify (this=0x880e70, receiver=0x16f01d0, event=0x7fff805228a0) at ../../kdeui/kernel/kapplication.cpp:311
#37 0x00007f27207c249c in QCoreApplication::notifyInternal (this=0x880e70, receiver=0x16f01d0, event=0x7fff805228a0) at kernel/qcoreapplication.cpp:731
#38 0x00007f271fc0465d in sendSpontaneousEvent (this=<value optimized out>, event=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#39 QETWidget::translateMouseEvent (this=<value optimized out>, event=<value optimized out>) at kernel/qapplication_x11.cpp:4561
#40 0x00007f271fc0304a in QApplication::x11ProcessEvent (this=0x880e70, event=0x7fff80523220) at kernel/qapplication_x11.cpp:3678
#41 0x00007f271fc2b162 in x11EventSourceDispatch (s=0x8b84d0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#42 0x00007f2717fc0bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f2717fc13a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f2717fc1639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007f27207ed3ef in QEventDispatcherGlib::processEvents (this=0x7f1340, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#46 0x00007f271fc2adfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#47 0x00007f27207c1882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#48 0x00007f27207c1abc in QEventLoop::exec (this=0x7fff80523520, flags=...) at kernel/qeventloop.cpp:201
#49 0x00007f27207c5ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#50 0x00007f27238d8897 in kdemain (argc=1, argv=0x7fff805238e8) at ../../../../plasma/desktop/shell/main.cpp:118
#51 0x00007f2723524eff in __libc_start_main (main=0x400740 <main(int, char**)>, argc=1, ubp_av=0x7fff805238e8, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff805238d8) at libc-start.c:226
#52 0x0000000000400669 in _start ()

Possible duplicates by query: bug 267379, bug 264723, bug 263756, bug 246840.

Reported using DrKonqi