Bug 280843

Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-11-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
after refreshing a calendar from a remote source, plasma crashed.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f6a47dda7a0 (LWP 3563))]

Thread 4 (Thread 0x7f6a25d22700 (LWP 3616)):
#0  0x00007f6a476ef4e0 in pthread_mutex_unlock (mutex=0x13f32f8) at forward.c:184
#1  0x00007f6a3c0b084e in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6a3c0b1122 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6a3c0b1639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6a448e1446 in QEventDispatcherGlib::processEvents (this=0x13f2d90, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f6a448b5882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f6a448b5abc in QEventLoop::exec (this=0x7f6a25d21db0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f6a447cc924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#8  0x00007f6a44897c2f in QInotifyFileSystemWatcherEngine::run (this=0x13f2860) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f6a447cf175 in QThreadPrivate::start (arg=0x13f2860) at thread/qthread_unix.cpp:320
#10 0x00007f6a3c9b4d8c in start_thread (arg=0x7f6a25d22700) at pthread_create.c:304
#11 0x00007f6a476e004d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f6a24b4f700 (LWP 3617)):
#0  0x00007f6a3c0aff0b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6a3c0b0f9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6a3c0b1639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6a448e1446 in QEventDispatcherGlib::processEvents (this=0x14b6160, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6a448b5882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6a448b5abc in QEventLoop::exec (this=0x7f6a24b4edb0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f6a447cc924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f6a44897c2f in QInotifyFileSystemWatcherEngine::run (this=0x14b5220) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f6a447cf175 in QThreadPrivate::start (arg=0x14b5220) at thread/qthread_unix.cpp:320
#9  0x00007f6a3c9b4d8c in start_thread (arg=0x7f6a24b4f700) at pthread_create.c:304
#10 0x00007f6a476e004d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6a1b918700 (LWP 3623)):
#0  0x00007f6a476d2f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6a3c0b1104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6a3c0b19f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6a1ca2fc44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f6a3c0d83e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6a3c9b4d8c in start_thread (arg=0x7f6a1b918700) at pthread_create.c:304
#6  0x00007f6a476e004d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6a47dda7a0 (LWP 3563)):
[KCrash Handler]
#6  0x00007f6a455155d1 in QString (this=0x48, group=0, state=0) at /usr/include/qt4/QtCore/qstring.h:728
#7  KIconEffect::fingerprint (this=0x48, group=0, state=0) at ../../kdeui/icons/kiconeffect.cpp:169
#8  0x00007f6a4551afeb in KIconLoaderPrivate::makeCacheKey (this=<value optimized out>, name=..., group=KIconLoader::Desktop, overlays=..., size=24, state=0) at ../../kdeui/icons/kiconloader.cpp:782
#9  0x00007f6a45521d03 in KIconLoader::loadIcon (this=0x1373cf0, _name=<value optimized out>, group=KIconLoader::Desktop, size=24, state=0, overlays=..., path_store=0x0, canReturnNull=false) at ../../kdeui/icons/kiconloader.cpp:1226
#10 0x00007f6a45519c99 in KIconEngine::pixmap (this=<value optimized out>, size=..., mode=<value optimized out>, state=<value optimized out>) at ../../kdeui/icons/kiconengine.cpp:93
#11 0x00007f6a43d1f4b5 in QIcon::pixmap (this=<value optimized out>, size=<value optimized out>, mode=<value optimized out>, state=<value optimized out>) at image/qicon.cpp:676
#12 0x00007f6a472c2099 in Plasma::IconWidgetPrivate::decoration (this=0x1ccbd80, option=<value optimized out>, useHoverEffect=false, usePressedEffect=false) at ../../plasma/widgets/iconwidget.cpp:812
#13 0x00007f6a472c7e51 in Plasma::IconWidget::paint (this=0x891f10, painter=0x7ffff65a77f0, option=0x74dd88, widget=<value optimized out>) at ../../plasma/widgets/iconwidget.cpp:1128
#14 0x00007f6a2e5e63e9 in SystemTray::DBusSystemTrayWidget::paint (this=0x891f10, painter=0x7ffff65a77f0, option=0x74dd88, widget=<value optimized out>) at ../../../../../plasma/generic/applets/systemtray/protocols/dbussystemtray/dbussystemtraywidget.cpp:189
#15 0x00007f6a4426588d in _q_paintItem (item=<value optimized out>, painter=0x7ffff65a77f0, option=0x74dd88, widget=0x0, useWindowOpacity=<value optimized out>, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4314
#16 0x00007f6a44265ba0 in _q_paintIntoCache (pix=0x7ffff65a7d20, item=0x891f20, pixmapExposed=..., itemToPixmap=..., renderHints=..., option=0x74dd88, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4352
#17 0x00007f6a442793d8 in QGraphicsScenePrivate::drawItemHelper (this=0x74db60, item=0x891f20, painter=0x7ffff65a9d30, option=0x74dd88, widget=<value optimized out>, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4690
#18 0x00007f6a44279faa in QGraphicsScenePrivate::draw (this=0x74db60, item=0x891f20, painter=0x7ffff65a9d30, viewTransform=0x7ffff65a9ac0, transformPtr=0x7ffff65a83e0, exposedRegion=0x1a27fb0, widget=0x1b8d4d0, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4962
#19 0x00007f6a4427ac55 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x74db60, item=0x891f20, painter=0x7ffff65a9d30, viewTransform=0x7ffff65a9ac0, exposedRegion=0x1a27fb0, widget=0x1b8d4d0, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#20 0x00007f6a44279e20 in QGraphicsScenePrivate::draw (this=0x74db60, item=0x9b53e0, painter=0x7ffff65a9d30, viewTransform=0x7ffff65a9ac0, transformPtr=0x7ffff65a89e0, exposedRegion=0x1a27fb0, widget=0x1b8d4d0, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#21 0x00007f6a4427ac55 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x74db60, item=0x9b53e0, painter=0x7ffff65a9d30, viewTransform=0x7ffff65a9ac0, exposedRegion=0x1a27fb0, widget=0x1b8d4d0, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#22 0x00007f6a44279e20 in QGraphicsScenePrivate::draw (this=0x74db60, item=0x8f09e0, painter=0x7ffff65a9d30, viewTransform=0x7ffff65a9ac0, transformPtr=0x7ffff65a8fe0, exposedRegion=0x1a27fb0, widget=0x1b8d4d0, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#23 0x00007f6a4427ac55 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x74db60, item=0x8f09e0, painter=0x7ffff65a9d30, viewTransform=0x7ffff65a9ac0, exposedRegion=0x1a27fb0, widget=0x1b8d4d0, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#24 0x00007f6a44279e20 in QGraphicsScenePrivate::draw (this=0x74db60, item=0x81a3a0, painter=0x7ffff65a9d30, viewTransform=0x7ffff65a9ac0, transformPtr=0x7ffff65a95e0, exposedRegion=0x1a27fb0, widget=0x1b8d4d0, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#25 0x00007f6a4427ac55 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x74db60, item=0x81a3a0, painter=0x7ffff65a9d30, viewTransform=0x7ffff65a9ac0, exposedRegion=0x1a27fb0, widget=0x1b8d4d0, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#26 0x00007f6a4427b484 in QGraphicsScenePrivate::drawItems (this=0x74db60, painter=0x7ffff65a9d30, viewTransform=0x7ffff65a9ac0, exposedRegion=0x1a27fb0, widget=0x1b8d4d0) at graphicsview/qgraphicsscene.cpp:4735
#27 0x00007f6a442982c2 in QGraphicsView::paintEvent (this=<value optimized out>, event=<value optimized out>) at graphicsview/qgraphicsview.cpp:3469
#28 0x00007f6a43cc4c7a in QWidget::event (this=0x1530840, event=0x7ffff65aa650) at kernel/qwidget.cpp:8405
#29 0x00007f6a44077156 in QFrame::event (this=0x1530840, e=0x7ffff65aa650) at widgets/qframe.cpp:557
#30 0x00007f6a4429957b in QGraphicsView::viewportEvent (this=0x1530840, event=0x7ffff65aa650) at graphicsview/qgraphicsview.cpp:2864
#31 0x00007f6a448b6627 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1b8d4d0, event=0x7ffff65aa650) at kernel/qcoreapplication.cpp:846
#32 0x00007f6a43c739c1 in QApplicationPrivate::notify_helper (this=0x749060, receiver=0x1b8d4d0, e=0x7ffff65aa650) at kernel/qapplication.cpp:4458
#33 0x00007f6a43c783ba in QApplication::notify (this=<value optimized out>, receiver=0x1b8d4d0, e=0x7ffff65aa650) at kernel/qapplication.cpp:4341
#34 0x00007f6a4556e866 in KApplication::notify (this=0x7273d0, receiver=0x1b8d4d0, event=0x7ffff65aa650) at ../../kdeui/kernel/kapplication.cpp:311
#35 0x00007f6a448b649c in QCoreApplication::notifyInternal (this=0x7273d0, receiver=0x1b8d4d0, event=0x7ffff65aa650) at kernel/qcoreapplication.cpp:731
#36 0x00007f6a43cc1acd in sendSpontaneousEvent (this=0x1bd2dd0, pdev=0x185cf38, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1957580) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#37 QWidgetPrivate::drawWidget (this=0x1bd2dd0, pdev=0x185cf38, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1957580) at kernel/qwidget.cpp:5492
#38 0x00007f6a43cc26e2 in QWidgetPrivate::paintSiblingsRecursive (this=0x1a27b20, pdev=0x185cf38, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1957580) at kernel/qwidget.cpp:5699
#39 0x00007f6a43cc180c in QWidgetPrivate::drawWidget (this=0x1a27b20, pdev=0x185cf38, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x1957580) at kernel/qwidget.cpp:5545
#40 0x00007f6a43e889eb in QWidgetBackingStore::sync (this=0x1957580) at painting/qbackingstore.cpp:1333
#41 0x00007f6a43cb7f60 in QWidgetPrivate::syncBackingStore (this=0x1a27b20) at kernel/qwidget.cpp:1842
#42 0x00007f6a43cc5194 in QWidget::event (this=0x1530840, event=0x220d4f0) at kernel/qwidget.cpp:8552
#43 0x00007f6a44077156 in QFrame::event (this=0x1530840, e=0x220d4f0) at widgets/qframe.cpp:557
#44 0x00007f6a440f88eb in QAbstractScrollArea::event (this=0x1530840, e=0x220d4f0) at widgets/qabstractscrollarea.cpp:996
#45 0x00007f6a479d1fe6 in PanelView::event (this=0x1530840, event=0x220d4f0) at ../../../../plasma/desktop/shell/panelview.cpp:1604
#46 0x00007f6a43c739f4 in QApplicationPrivate::notify_helper (this=0x749060, receiver=0x1530840, e=0x220d4f0) at kernel/qapplication.cpp:4462
#47 0x00007f6a43c783ba in QApplication::notify (this=<value optimized out>, receiver=0x1530840, e=0x220d4f0) at kernel/qapplication.cpp:4341
#48 0x00007f6a4556e866 in KApplication::notify (this=0x7273d0, receiver=0x1530840, event=0x220d4f0) at ../../kdeui/kernel/kapplication.cpp:311
#49 0x00007f6a448b649c in QCoreApplication::notifyInternal (this=0x7273d0, receiver=0x1530840, event=0x220d4f0) at kernel/qcoreapplication.cpp:731
#50 0x00007f6a448b9c25 in sendEvent (receiver=0x1530840, event_type=77, data=0x6cab60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#51 QCoreApplicationPrivate::sendPostedEvents (receiver=0x1530840, event_type=77, data=0x6cab60) at kernel/qcoreapplication.cpp:1372
#52 0x00007f6a44271f7a in dispatchPendingUpdateRequests (this=0x74db60) at ../../include/QtGui/private/../../../src/gui/graphicsview/qgraphicsview_p.h:189
#53 QGraphicsScenePrivate::_q_processDirtyItems (this=0x74db60) at graphicsview/qgraphicsscene.cpp:510
#54 0x00007f6a4427239a in QGraphicsScene::qt_metacall (this=0x7fa700, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x1d85f30) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#55 0x00007f6a47215b65 in Plasma::Corona::qt_metacall (this=0x7fa700, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x1d85f30) at ./corona.moc:109
#56 0x00007f6a479c6065 in DesktopCorona::qt_metacall (this=0x7fa700, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x1d85f30) at ./desktopcorona.moc:101
#57 0x00007f6a448ca49a in QObject::event (this=0x7fa700, e=<value optimized out>) at kernel/qobject.cpp:1226
#58 0x00007f6a4427ec7b in QGraphicsScene::event (this=0x7fa700, event=0x1f66460) at graphicsview/qgraphicsscene.cpp:3544
#59 0x00007f6a43c739f4 in QApplicationPrivate::notify_helper (this=0x749060, receiver=0x7fa700, e=0x1f66460) at kernel/qapplication.cpp:4462
#60 0x00007f6a43c783ba in QApplication::notify (this=<value optimized out>, receiver=0x7fa700, e=0x1f66460) at kernel/qapplication.cpp:4341
#61 0x00007f6a4556e866 in KApplication::notify (this=0x7273d0, receiver=0x7fa700, event=0x1f66460) at ../../kdeui/kernel/kapplication.cpp:311
#62 0x00007f6a448b649c in QCoreApplication::notifyInternal (this=0x7273d0, receiver=0x7fa700, event=0x1f66460) at kernel/qcoreapplication.cpp:731
#63 0x00007f6a448b9c25 in sendEvent (receiver=0x0, event_type=0, data=0x6cab60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#64 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x6cab60) at kernel/qcoreapplication.cpp:1372
#65 0x00007f6a448e1253 in sendPostedEvents (s=0x74b9c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#66 postEventSourceDispatch (s=0x74b9c0) at kernel/qeventdispatcher_glib.cpp:277
#67 0x00007f6a3c0b0bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#68 0x00007f6a3c0b13a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#69 0x00007f6a3c0b1639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#70 0x00007f6a448e13ef in QEventDispatcherGlib::processEvents (this=0x6ca340, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#71 0x00007f6a43d1d4de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#72 0x00007f6a448b5882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#73 0x00007f6a448b5abc in QEventLoop::exec (this=0x7ffff65ac5f0, flags=...) at kernel/qeventloop.cpp:201
#74 0x00007f6a448b9ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#75 0x00007f6a479cc897 in kdemain (argc=1, argv=0x7ffff65ac9b8) at ../../../../plasma/desktop/shell/main.cpp:118
#76 0x00007f6a47618eff in __libc_start_main (main=0x400740 <main(int, char**)>, argc=1, ubp_av=0x7ffff65ac9b8, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7ffff65ac9a8) at libc-start.c:226
#77 0x0000000000400669 in _start ()

Possible duplicates by query: bug 280786, bug 280747, bug 280548, bug 280233, bug 279930.

Reported using DrKonqi