Bug 247501

Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.00 (KDE 4.5.0)
Qt Version: 4.7.0
Operating System: Linux 2.6.32-24-generic-pae i686
Distribution: Ubuntu 10.04.1 LTS

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

I was redimensioning  a gadget in plasma. The crash has been repeated with some gadgets, comic, desktop, microblogg...

The crash can be reproduced some of the time.

-- Backtrace:
Application: Área de trabajo de Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb1c2c940 (LWP 2084))]

Thread 2 (Thread 0xa5058b70 (LWP 2173)):
#0  0xb77e2430 in __kernel_vsyscall ()
#1  0xb6554015 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb76e39dd in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb465c437 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0xb475a1a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0xb465c481 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0xb475a1a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0xb654f96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6  0xb76d6a4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb1c2c940 (LWP 2084)):
[KCrash Handler]
#7  QObject::d_func (obj=0x3cac862) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:125
#8  QObjectPrivate::get (obj=0x3cac862) at ../../include/QtCore/private/../../../src/corelib/kernel/qobject_p.h:174
#9  QtSharedPointer::ExternalRefCountData::getAndRef (obj=0x3cac862) at tools/qsharedpointer.cpp:1252
#10 0xb753ee68 in QWeakPointer<QGraphicsWidget> (this=0x8c8e500, index=6) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:562
#11 operator=<QGraphicsWidget> (this=0x8c8e500, index=6) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:567
#12 Plasma::TabBar::setCurrentIndex (this=0x8c8e500, index=6) at ../../plasma/widgets/tabbar.cpp:368
#13 0xb7540189 in Plasma::TabBar::qt_metacall (this=0x8c8e500, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbff6e708) at ./tabbar.moc:124
#14 0xb66d16ca in QMetaObject::metacall (object=0x8c8e500, cl=63621218, idx=21, argv=0xbff6e708) at kernel/qmetaobject.cpp:237
#15 0xb66e4455 in QMetaObject::activate (sender=0x8c8f6a8, m=0xb65329c4, local_signal_index=0, argv=0xbff6e708) at kernel/qobject.cpp:3280
#16 0xb60a1683 in QTabBar::currentChanged (this=0x8c8f6a8, _t1=6) at .moc/release-shared/moc_qtabbar.cpp:201
#17 0xb60a6bff in QTabBar::setCurrentIndex (this=0x8c8f6a8, index=6) at widgets/qtabbar.cpp:1225
#18 0xb60ab54a in QTabBar::removeTab (this=0x8c8f6a8, index=0) at widgets/qtabbar.cpp:943
#19 0xb753fce8 in Plasma::TabBar::removeTab (this=0x8c8e500, index=0) at ../../plasma/widgets/tabbar.cpp:454
#20 0xa9c3fce0 in ComicTabBar::removeAllTabs (this=0x8c8aeb8) at ../../../applets/comic/comic.h:60
#21 ComicApplet::updateUsedComics (this=0x8c8aeb8) at ../../../applets/comic/comic.cpp:494
#22 0xa9c49c69 in ComicApplet::applyConfig (this=0x8c8aeb8) at ../../../applets/comic/comic.cpp:465
#23 0xa9c4ab3b in ComicApplet::qt_metacall (this=0x8c8aeb8, _c=QMetaObject::InvokeMetaMethod, _id=92, _a=0xbff6ea9c) at ./comic.moc:124
#24 0xb66d16ca in QMetaObject::metacall (object=0x8c8aeb8, cl=63621218, idx=92, argv=0xbff6ea9c) at kernel/qmetaobject.cpp:237
#25 0xb66e4455 in QMetaObject::activate (sender=0x9c1fec0, m=0xb6ec25a4, local_signal_index=9, argv=0x0) at kernel/qobject.cpp:3280
#26 0xb6c3ea97 in KDialog::okClicked (this=0x9c1fec0) at ./kdialog.moc:258
#27 0xb6c41040 in KDialog::slotButtonClicked (this=0x9c1fec0, button=4) at ../../kdeui/dialogs/kdialog.cpp:871
#28 0xb6c43169 in KDialog::qt_metacall (this=0x9c1fec0, _c=QMetaObject::InvokeMetaMethod, _id=33, _a=0xbff6ed08) at ./kdialog.moc:190
#29 0xb6d36aba in KPageDialog::qt_metacall (this=0x9c1fec0, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbff6ed08) at ./kpagedialog.moc:70
#30 0xb6c2d4aa in KConfigDialog::qt_metacall (this=0x9c1fec0, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbff6ed08) at ./kconfigdialog.moc:84
#31 0xb740158a in Plasma::AppletConfigDialog::qt_metacall (this=0x9c1fec0, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbff6ed08) at ./private/applet_p.moc:69
#32 0xb66d16ca in QMetaObject::metacall (object=0x9c1fec0, cl=63621218, idx=69, argv=0xbff6ed08) at kernel/qmetaobject.cpp:237
#33 0xb66e4455 in QMetaObject::activate (sender=0x9e0fd30, m=0xb67fc0f8, local_signal_index=0, argv=0xbff6ed08) at kernel/qobject.cpp:3280
#34 0xb66e73a3 in QSignalMapper::mapped (this=0x9e0fd30, _t1=4) at .moc/release-shared/moc_qsignalmapper.cpp:101
#35 0xb66e861d in QSignalMapper::map (this=0x9e0fd30, sender=0x9eaf710) at kernel/qsignalmapper.cpp:266
#36 0xb66e87fe in QSignalMapper::map (this=0x9e0fd30) at kernel/qsignalmapper.cpp:257
#37 0xb66e88cb in QSignalMapper::qt_metacall (this=0x9e0fd30, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbff6eea8) at .moc/release-shared/moc_qsignalmapper.cpp:87
#38 0xb66d16ca in QMetaObject::metacall (object=0x9e0fd30, cl=63621218, idx=8, argv=0xbff6eea8) at kernel/qmetaobject.cpp:237
#39 0xb66e4455 in QMetaObject::activate (sender=0x9eaf710, m=0xb653e724, local_signal_index=2, argv=0xbff6eea8) at kernel/qobject.cpp:3280
#40 0xb631d5e9 in QAbstractButton::clicked (this=0x9eaf710, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#41 0xb5fdee39 in QAbstractButtonPrivate::emitClicked (this=0x982a5c0) at widgets/qabstractbutton.cpp:546
#42 0xb5fe0544 in QAbstractButtonPrivate::click (this=0x982a5c0) at widgets/qabstractbutton.cpp:539
#43 0xb5fe07fe in QAbstractButton::mouseReleaseEvent (this=0x9eaf710, e=0xbff6f5e0) at widgets/qabstractbutton.cpp:1121
#44 0xb5c12c48 in QWidget::event (this=0x9eaf710, event=0xbff6f5e0) at kernel/qwidget.cpp:8157
#45 0xb5fdecde in QAbstractButton::event (this=0x9eaf710, e=0x8c8dea0) at widgets/qabstractbutton.cpp:1080
#46 0xb608c782 in QPushButton::event (this=0x9eaf710, e=0xbff6f5e0) at widgets/qpushbutton.cpp:683
#47 0xb5bb50cc in QApplicationPrivate::notify_helper (this=0x8627af8, receiver=0x9eaf710, e=0xbff6f5e0) at kernel/qapplication.cpp:4389
#48 0xb5bbbab7 in QApplication::notify (this=0x861c7a0, receiver=0x9eaf710, e=0xbff6f5e0) at kernel/qapplication.cpp:3952
#49 0xb6cf582a in KApplication::notify (this=0x861c7a0, receiver=0x9eaf710, event=0xbff6f5e0) at ../../kdeui/kernel/kapplication.cpp:310
#50 0xb66cb96b in QCoreApplication::notifyInternal (this=0x861c7a0, receiver=0x9eaf710, event=0xbff6f5e0) at kernel/qcoreapplication.cpp:732
#51 0xb5bba162 in QCoreApplication::sendEvent (receiver=0x9eaf710, event=0xbff6f5e0, alienWidget=0x9eaf710, nativeWidget=0x9c1fec0, buttonDown=0xb6547300, lastMouseReceiver=..., spontaneous=true)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#52 QApplicationPrivate::sendMouseEvent (receiver=0x9eaf710, event=0xbff6f5e0, alienWidget=0x9eaf710, nativeWidget=0x9c1fec0, buttonDown=0xb6547300, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:3051
#53 0xb5c486b8 in QETWidget::translateMouseEvent (this=0x9c1fec0, event=0xbff6fafc) at kernel/qapplication_x11.cpp:4403
#54 0xb5c47b49 in QApplication::x11ProcessEvent (this=0x861c7a0, event=0xbff6fafc) at kernel/qapplication_x11.cpp:3414
#55 0xb5c76b3a in x11EventSourceDispatch (s=0x862a4f8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#56 0xb39895e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#57 0xb398d2d8 in ?? () from /lib/libglib-2.0.so.0
#58 0xb398d4b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#59 0xb66fa195 in QEventDispatcherGlib::processEvents (this=0x8627200, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#60 0xb5c763b5 in QGuiEventDispatcherGlib::processEvents (this=0x8627200, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#61 0xb66ca419 in QEventLoop::processEvents (this=0xbff6fdf4, flags=) at kernel/qeventloop.cpp:149
#62 0xb66ca89a in QEventLoop::exec (this=0xbff6fdf4, flags=...) at kernel/qeventloop.cpp:201
#63 0xb66cee4f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#64 0xb5bb3ef7 in QApplication::exec () at kernel/qapplication.cpp:3665
#65 0xb77abb1e in kdemain (argc=1, argv=0xbff70004) at ../../../../plasma/desktop/shell/main.cpp:118
#66 0x0804860b in main (argc=1, argv=0xbff70004) at plasma-desktop_dummy.cpp:3

Reported using DrKonqi