Bug 240974

Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2) (Compiled from sources)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
the system hang while trying to delete a panel that was added before

 -- Backtrace:
Application: Área de trabajo de Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fd71dc6c760 (LWP 4063))]

Thread 3 (Thread 0x7fd6effff710 (LWP 4065)):
#0  0x00007fd71ac58f53 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd71761d4a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fd71761d8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fd71c260566 in QEventDispatcherGlib::processEvents (this=0x19a4d30, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007fd71c235992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fd71c235d6c in QEventLoop::exec (this=0x7fd6efffedb0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fd71c13fd59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007fd71c216178 in QInotifyFileSystemWatcherEngine::run (this=0x19a4340) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fd71c142775 in QThreadPrivate::start (arg=0x19a4340) at thread/qthread_unix.cpp:248
#9  0x00007fd71beb29ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007fd71ac656cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd6ed822710 (LWP 4068)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fd71390bca6 in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007fd71390bce9 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x00007fd71beb29ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007fd71ac656cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd71dc6c760 (LWP 4063)):
[KCrash Handler]
#5  0x00007fd71b9ad204 in QGraphicsItem::isPanel (this=0x225a0e0) at graphicsview/qgraphicsitem.cpp:1661
#6  0x00007fd71b9f92cc in QGraphicsScene::event (this=0xc0e3f0, event=0x7fff2c75b120) at graphicsview/qgraphicsscene.cpp:3435
#7  0x00007fd71b3d322c in QApplicationPrivate::notify_helper (this=0xaae870, receiver=0xc0e3f0, e=0x7fff2c75b120) at kernel/qapplication.cpp:4300
#8  0x00007fd71b3d96fb in QApplication::notify (this=0xa98390, receiver=0xc0e3f0, e=0x7fff2c75b120) at kernel/qapplication.cpp:4183
#9  0x00007fd71c77e526 in KApplication::notify (this=0xa98390, receiver=0xc0e3f0, event=0x7fff2c75b120) at ../../kdeui/kernel/kapplication.cpp:302
#10 0x00007fd71c23706c in QCoreApplication::notifyInternal (this=0xa98390, receiver=0xc0e3f0, event=0x7fff2c75b120) at kernel/qcoreapplication.cpp:704
#11 0x00007fd71ba12098 in QGraphicsView::viewportEvent (this=0x20e16a0, event=0x7fff2c75b120) at graphicsview/qgraphicsview.cpp:2718
#12 0x00007fd71c236487 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x20f8af0, event=0x7fff2c75b120) at kernel/qcoreapplication.cpp:819
#13 0x00007fd71b3d31fc in QApplicationPrivate::notify_helper (this=0xaae870, receiver=0x20f8af0, e=0x7fff2c75b120) at kernel/qapplication.cpp:4296
#14 0x00007fd71b3d96fb in QApplication::notify (this=0xa98390, receiver=0x20f8af0, e=0x7fff2c75b120) at kernel/qapplication.cpp:4183
#15 0x00007fd71c77e526 in KApplication::notify (this=0xa98390, receiver=0x20f8af0, event=0x7fff2c75b120) at ../../kdeui/kernel/kapplication.cpp:302
#16 0x00007fd71c23706c in QCoreApplication::notifyInternal (this=0xa98390, receiver=0x20f8af0, event=0x7fff2c75b120) at kernel/qcoreapplication.cpp:704
#17 0x00007fd71b42967b in QCoreApplication::sendEvent (this=<value optimized out>, event=0x7fff2c75b120) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#18 QWidget::event (this=<value optimized out>, event=0x7fff2c75b120) at kernel/qwidget.cpp:8254
#19 0x00007fd71b7d04e6 in QFrame::event (this=0x20e16a0, e=0x7fff2c75b120) at widgets/qframe.cpp:557
#20 0x00007fd71b85b8ab in QAbstractScrollArea::event (this=0x20e16a0, e=0x7fff2c75b120) at widgets/qabstractscrollarea.cpp:989
#21 0x00007fd71b3d322c in QApplicationPrivate::notify_helper (this=0xaae870, receiver=0x20e16a0, e=0x7fff2c75b120) at kernel/qapplication.cpp:4300
#22 0x00007fd71b3d96fb in QApplication::notify (this=0xa98390, receiver=0x20e16a0, e=0x7fff2c75b120) at kernel/qapplication.cpp:4183
#23 0x00007fd71c77e526 in KApplication::notify (this=0xa98390, receiver=0x20e16a0, event=0x7fff2c75b120) at ../../kdeui/kernel/kapplication.cpp:302
#24 0x00007fd71c23706c in QCoreApplication::notifyInternal (this=0xa98390, receiver=0x20e16a0, event=0x7fff2c75b120) at kernel/qcoreapplication.cpp:704
#25 0x00007fd71b3dcc6b in QCoreApplication::sendSpontaneousEvent (act=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#26 QApplication::setActiveWindow (act=<value optimized out>) at kernel/qapplication.cpp:2450
#27 0x00007fd71b457d6e in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff2c75b7f0) at kernel/qapplication_x11.cpp:3420
#28 0x00007fd71b483882 in x11EventSourceDispatch (s=0xab1f10, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#29 0x00007fd7176198c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#30 0x00007fd71761d748 in ?? () from /lib/libglib-2.0.so.0
#31 0x00007fd71761d8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#32 0x00007fd71c260513 in QEventDispatcherGlib::processEvents (this=0xa2a140, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#33 0x00007fd71b48346e in QGuiEventDispatcherGlib::processEvents (this=0x225a0e0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007fd71c235992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#35 0x00007fd71c235d6c in QEventLoop::exec (this=0x7fff2c75bb20, flags=) at kernel/qeventloop.cpp:201
#36 0x00007fd71c239aab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#37 0x00007fd70fa75fb2 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#38 0x00000000004070f3 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4f9 "0") at ../../kinit/kinit.cpp:717
#39 0x0000000000407cb0 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#40 0x000000000040823a in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1402
#41 0x0000000000408e22 in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1845

Possible duplicates by query: bug 240160, bug 240123, bug 237195, bug 236640, bug 236627.

Reported using DrKonqi