Bug 264135

Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-24-generic i686
Distribution: Ubuntu 10.10

-- Information about the crash:
primero active los efectos de escritorio, y luego agrege un panel, que al eliminarlo, plasma colapso.

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 0xb78d3720 (LWP 1739))]

Thread 4 (Thread 0xb0056b70 (LWP 1774)):
#0  0x006bf416 in __kernel_vsyscall ()
#1  0x002f80f3 in ?? () from /lib/libc.so.6
#2  0x0028c65f in ?? () from /lib/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (Thread 0xae7b9b70 (LWP 1792)):
#0  0x00230b1f in ?? () from /lib/libc.so.6
#1  0x01691b34 in g_main_context_check () from /lib/libglib-2.0.so.0
#2  0x0169245e in ?? () from /lib/libglib-2.0.so.0
#3  0x01692848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x0751959f in QEventDispatcherGlib::processEvents (this=0x8e2d290, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#5  0x074e9609 in QEventLoop::processEvents (this=0xae7b9280, flags=) at kernel/qeventloop.cpp:149
#6  0x074e9a8a in QEventLoop::exec (this=0xae7b9280, flags=...) at kernel/qeventloop.cpp:201
#7  0x073e5b7e in QThread::exec (this=0x8e2f7e0) at thread/qthread.cpp:490
#8  0x074c835b in QInotifyFileSystemWatcherEngine::run (this=0x8e2f7e0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x073e8df9 in QThreadPrivate::start (arg=0x8e2f7e0) at thread/qthread_unix.cpp:266
#10 0x00580cc9 in start_thread () from /lib/libpthread.so.0
#11 0x002ea69e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xad706b70 (LWP 2289)):
#0  0x006bf416 in __kernel_vsyscall ()
#1  0x005854dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x002f7d9d in pthread_cond_wait () from /lib/libc.so.6
#3  0x04abc877 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x4bbb1a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x04abc8c1 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x4bbb1a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x00580cc9 in start_thread () from /lib/libpthread.so.0
#6  0x002ea69e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb78d3720 (LWP 1739)):
[KCrash Handler]
#7  0x0028684a in ?? () from /lib/libc.so.6
#8  0x00288a85 in ?? () from /lib/libc.so.6
#9  0x0028ba1c in ?? () from /lib/libc.so.6
#10 0x0028bf53 in realloc () from /lib/libc.so.6
#11 0x073e3024 in qRealloc (ptr=0xa100168, size=4116) at global/qmalloc.cpp:65
#12 0x073ebbee in QByteArray::realloc (this=0xbfde5d5c, alloc=4096) at tools/qbytearray.cpp:1433
#13 0x02483ba9 in reserve (list=...) at /usr/include/qt4/QtCore/qbytearray.h:432
#14 KConfigGroupPrivate::serializeList (list=...) at ../../kdecore/config/kconfiggroup.cpp:142
#15 0x02486e8c in KConfigGroup::writeEntry (this=0xbfde5ddc, key=0xe6ae23 "invalidElements", list=..., flags=...) at ../../kdecore/config/kconfiggroup.cpp:971
#16 0x00d7cb56 in writeListCheck<QString> (this=0x8522d60, image=...) at ../../kdecore/config/kconfiggroup.h:762
#17 writeEntry<QString> (this=0x8522d60, image=...) at ../../kdecore/config/kconfiggroup.h:449
#18 Plasma::Theme::releaseRectsCache (this=0x8522d60, image=...) at ../../plasma/theme.cpp:925
#19 0x00d76b61 in eraseRenderer (this=0x8756ae0, __in_chrg=<value optimized out>) at ../../plasma/svg.cpp:319
#20 ~SvgPrivate (this=0x8756ae0, __in_chrg=<value optimized out>) at ../../plasma/svg.cpp:84
#21 Plasma::Svg::~Svg (this=0x8756ae0, __in_chrg=<value optimized out>) at ../../plasma/svg.cpp:504
#22 0x00cfb2f7 in Plasma::FrameSvg::~FrameSvg (this=0x8756ae0, __in_chrg=<value optimized out>) at ../../plasma/framesvg.cpp:54
#23 0x074fd816 in QObjectPrivate::deleteChildren (this=0x9819680) at kernel/qobject.cpp:1957
#24 0x07504f30 in QObject::~QObject (this=0x8ee93b0, __in_chrg=<value optimized out>) at kernel/qobject.cpp:945
#25 0x06a07129 in ~QGraphicsObject (this=0x8ee93b0, __in_chrg=<value optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#26 QGraphicsWidget::~QGraphicsWidget (this=0x8ee93b0, __in_chrg=<value optimized out>) at graphicsview/qgraphicswidget.cpp:277
#27 0x00c9cca3 in Plasma::Applet::~Applet (this=0x8ee93b0, __in_chrg=<value optimized out>) at ../../plasma/applet.cpp:215
#28 0x03c74ddd in Pager::~Pager (this=0x8ee93b0, __in_chrg=<value optimized out>) at ../../../../../plasma/desktop/applets/pager/pager.cpp:179
#29 0x00cb13e6 in qDeleteAll<QList<Plasma::Applet*>::const_iterator> (this=0x8f42768, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#30 qDeleteAll<QList<Plasma::Applet*> > (this=0x8f42768, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:330
#31 ~ContainmentPrivate (this=0x8f42768, __in_chrg=<value optimized out>) at ../../plasma/private/containment_p.h:64
#32 Plasma::Containment::~Containment (this=0x8f42768, __in_chrg=<value optimized out>) at ../../plasma/containment.cpp:144
#33 0x01b21a5c in Panel::~Panel (this=0x8f42768, __in_chrg=<value optimized out>) at ../../../../../plasma/desktop/containments/panel/panel.cpp:128
#34 0x074fb9a5 in qDeleteInEventHandler (o=0x44c70824) at kernel/qobject.cpp:3988
#35 0x074fd6c8 in QObject::event (this=0x8f42768, e=0x7c89ffff) at kernel/qobject.cpp:1202
#36 0x06a03174 in QGraphicsWidget::event (this=0x8f42768, event=0x8c52f40) at graphicsview/qgraphicswidget.cpp:1405
#37 0x062f9fdc in QApplicationPrivate::notify_helper (this=0x8471ac0, receiver=0x8f42768, e=0x8c52f40) at kernel/qapplication.cpp:4396
#38 0x0630004e in QApplication::notify (this=0x8462648, receiver=0x8f42768, e=0x8c52f40) at kernel/qapplication.cpp:3798
#39 0x0107168a in KApplication::notify (this=0x8462648, receiver=0x8f42768, event=0x8c52f40) at ../../kdeui/kernel/kapplication.cpp:310
#40 0x074eab3b in QCoreApplication::notifyInternal (this=0x8462648, receiver=0x8f42768, event=0x8c52f40) at kernel/qcoreapplication.cpp:732
#41 0x074edd8b in sendEvent (receiver=0x0, event_type=0, data=0x844c040) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x844c040) at kernel/qcoreapplication.cpp:1373
#43 0x074edf4d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1266
#44 0x07519a74 in sendPostedEvents (s=0x8473ec0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#45 postEventSourceDispatch (s=0x8473ec0) at kernel/qeventdispatcher_glib.cpp:277
#46 0x0168e855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#47 0x01692668 in ?? () from /lib/libglib-2.0.so.0
#48 0x01692848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#49 0x07519565 in QEventDispatcherGlib::processEvents (this=0x844bd00, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#50 0x063bbbe5 in QGuiEventDispatcherGlib::processEvents (this=0x844bd00, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#51 0x074e9609 in QEventLoop::processEvents (this=0xbfde6934, flags=) at kernel/qeventloop.cpp:149
#52 0x074e9a8a in QEventLoop::exec (this=0xbfde6934, flags=...) at kernel/qeventloop.cpp:201
#53 0x074ee00f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#54 0x062f8e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#55 0x001e586e in kdemain (argc=1, argv=0xbfde6b44) at ../../../../plasma/desktop/shell/main.cpp:118
#56 0x080485bb in main (argc=1, argv=0xbfde6b44) at plasma-desktop_dummy.cpp:3

Reported using DrKonqi