Bug 278456

Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-10-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
Trying to install update - this is a fresh install tonight
- Unusual behavior I noticed:
Screen flickering, seems to be a display issue. Icons not working properly or at all.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f67011577a0 (LWP 1742))]

Thread 5 (Thread 0x7f66e8cd7700 (LWP 1743)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f66fb0902a2 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f66fb3a9180) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f66fb0902d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f66fb3b7254) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f66f5d1ad8c in start_thread (arg=0x7f66e8cd7700) at pthread_create.c:304
#4  0x00007f6700a4604d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f66e693b700 (LWP 1744)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f66e693aac0 in ?? ()
#2  0x00007fff223ff7b2 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (Thread 0x7f66dffff700 (LWP 1745)):
#0  0x00007f66f5d1d3c4 in __pthread_mutex_lock (mutex=0x16a4358) at pthread_mutex_lock.c:61
#1  0x00007f66f54160d3 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f66f5416f9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f66f5417639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f66fdc47446 in QEventDispatcherGlib::processEvents (this=0x12e6c80, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f66fdc1b882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f66fdc1babc in QEventLoop::exec (this=0x7f66dfffedb0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f66fdb32924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#8  0x00007f66fdbfdc2f in QInotifyFileSystemWatcherEngine::run (this=0x12e3480) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f66fdb35175 in QThreadPrivate::start (arg=0x12e3480) at thread/qthread_unix.cpp:320
#10 0x00007f66f5d1ad8c in start_thread (arg=0x7f66dffff700) at pthread_create.c:304
#11 0x00007f6700a4604d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f66d2208700 (LWP 1750)):
#0  0x00007f66f54165a0 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f66f5417122 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f66f54179f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f66d353ac44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f66f543e3e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f66f5d1ad8c in start_thread (arg=0x7f66d2208700) at pthread_create.c:304
#6  0x00007f6700a4604d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f67011577a0 (LWP 1742)):
[KCrash Handler]
#6  0x00007f66fe87b5df in QString (this=0x1e40075, group=0, state=0) at /usr/include/qt4/QtCore/qstring.h:728
#7  KIconEffect::fingerprint (this=0x1e40075, group=0, state=0) at ../../kdeui/icons/kiconeffect.cpp:169
#8  0x00007f66fe880feb in KIconLoaderPrivate::makeCacheKey (this=<value optimized out>, name=..., group=KIconLoader::Desktop, overlays=..., size=24, state=0) at ../../kdeui/icons/kiconloader.cpp:782
#9  0x00007f66fe887d03 in KIconLoader::loadIcon (this=0x1ead2d0, _name=<value optimized out>, group=KIconLoader::Desktop, size=24, state=0, overlays=..., path_store=0x0, canReturnNull=false) at ../../kdeui/icons/kiconloader.cpp:1226
#10 0x00007f66fe87fc99 in KIconEngine::pixmap (this=<value optimized out>, size=..., mode=<value optimized out>, state=<value optimized out>) at ../../kdeui/icons/kiconengine.cpp:93
#11 0x00007f66fd0854b5 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 0x00007f6700628099 in Plasma::IconWidgetPrivate::decoration (this=0x2b5dd60, option=<value optimized out>, useHoverEffect=false, usePressedEffect=false) at ../../plasma/widgets/iconwidget.cpp:812
#13 0x00007f670062de51 in Plasma::IconWidget::paint (this=0x2c43360, painter=0x7fff223c7d40, option=0x12a0c58, widget=<value optimized out>) at ../../plasma/widgets/iconwidget.cpp:1128
#14 0x00007f66d95c33e9 in SystemTray::DBusSystemTrayWidget::paint (this=0x2c43360, painter=0x7fff223c7d40, option=0x12a0c58, widget=<value optimized out>) at ../../../../../plasma/generic/applets/systemtray/protocols/dbussystemtray/dbussystemtraywidget.cpp:189
#15 0x00007f66fd5cb88d in _q_paintItem (item=<value optimized out>, painter=0x7fff223c7d40, option=0x12a0c58, widget=0x0, useWindowOpacity=<value optimized out>, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4314
#16 0x00007f66fd5cbba0 in _q_paintIntoCache (pix=0x7fff223c8270, item=0x2c43370, pixmapExposed=..., itemToPixmap=..., renderHints=..., option=0x12a0c58, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4352
#17 0x00007f66fd5df3d8 in QGraphicsScenePrivate::drawItemHelper (this=0x12a0a30, item=0x2c43370, painter=0x7fff223ca280, option=0x12a0c58, widget=<value optimized out>, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4690
#18 0x00007f66fd5dffaa in QGraphicsScenePrivate::draw (this=0x12a0a30, item=0x2c43370, painter=0x7fff223ca280, viewTransform=0x7fff223ca010, transformPtr=0x7fff223c8930, exposedRegion=0x16b9400, widget=0x167d560, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4962
#19 0x00007f66fd5e0c55 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x12a0a30, item=0x2c43370, painter=0x7fff223ca280, viewTransform=0x7fff223ca010, exposedRegion=0x16b9400, widget=0x167d560, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#20 0x00007f66fd5dfe20 in QGraphicsScenePrivate::draw (this=0x12a0a30, item=0x1a509a0, painter=0x7fff223ca280, viewTransform=0x7fff223ca010, transformPtr=0x7fff223c8f30, exposedRegion=0x16b9400, widget=0x167d560, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#21 0x00007f66fd5e0c55 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x12a0a30, item=0x1a509a0, painter=0x7fff223ca280, viewTransform=0x7fff223ca010, exposedRegion=0x16b9400, widget=0x167d560, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#22 0x00007f66fd5dfe20 in QGraphicsScenePrivate::draw (this=0x12a0a30, item=0x1a4a930, painter=0x7fff223ca280, viewTransform=0x7fff223ca010, transformPtr=0x7fff223c9530, exposedRegion=0x16b9400, widget=0x167d560, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#23 0x00007f66fd5e0c55 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x12a0a30, item=0x1a4a930, painter=0x7fff223ca280, viewTransform=0x7fff223ca010, exposedRegion=0x16b9400, widget=0x167d560, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#24 0x00007f66fd5dfe20 in QGraphicsScenePrivate::draw (this=0x12a0a30, item=0x169e430, painter=0x7fff223ca280, viewTransform=0x7fff223ca010, transformPtr=0x7fff223c9b30, exposedRegion=0x16b9400, widget=0x167d560, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#25 0x00007f66fd5e0c55 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x12a0a30, item=0x169e430, painter=0x7fff223ca280, viewTransform=0x7fff223ca010, exposedRegion=0x16b9400, widget=0x167d560, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#26 0x00007f66fd5e1484 in QGraphicsScenePrivate::drawItems (this=0x12a0a30, painter=0x7fff223ca280, viewTransform=0x7fff223ca010, exposedRegion=0x16b9400, widget=0x167d560) at graphicsview/qgraphicsscene.cpp:4735
#27 0x00007f66fd5fe2c2 in QGraphicsView::paintEvent (this=<value optimized out>, event=<value optimized out>) at graphicsview/qgraphicsview.cpp:3469
#28 0x00007f66fd02ac7a in QWidget::event (this=0x16b9d60, event=0x7fff223caba0) at kernel/qwidget.cpp:8405
#29 0x00007f66fd3dd156 in QFrame::event (this=0x16b9d60, e=0x7fff223caba0) at widgets/qframe.cpp:557
#30 0x00007f66fd5ff57b in QGraphicsView::viewportEvent (this=0x16b9d60, event=0x7fff223caba0) at graphicsview/qgraphicsview.cpp:2864
#31 0x00007f66fdc1c627 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x167d560, event=0x7fff223caba0) at kernel/qcoreapplication.cpp:846
#32 0x00007f66fcfd99c1 in QApplicationPrivate::notify_helper (this=0x129c9a0, receiver=0x167d560, e=0x7fff223caba0) at kernel/qapplication.cpp:4458
#33 0x00007f66fcfde3ba in QApplication::notify (this=<value optimized out>, receiver=0x167d560, e=0x7fff223caba0) at kernel/qapplication.cpp:4341
#34 0x00007f66fe8d4866 in KApplication::notify (this=0x127b880, receiver=0x167d560, event=0x7fff223caba0) at ../../kdeui/kernel/kapplication.cpp:311
#35 0x00007f66fdc1c49c in QCoreApplication::notifyInternal (this=0x127b880, receiver=0x167d560, event=0x7fff223caba0) at kernel/qcoreapplication.cpp:731
#36 0x00007f66fd027acd in sendSpontaneousEvent (this=0x167d800, pdev=0x16a3f18, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x12db640) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#37 QWidgetPrivate::drawWidget (this=0x167d800, pdev=0x16a3f18, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x12db640) at kernel/qwidget.cpp:5492
#38 0x00007f66fd0286e2 in QWidgetPrivate::paintSiblingsRecursive (this=0x16b8f70, pdev=0x16a3f18, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x12db640) at kernel/qwidget.cpp:5699
#39 0x00007f66fd02780c in QWidgetPrivate::drawWidget (this=0x16b8f70, pdev=0x16a3f18, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x12db640) at kernel/qwidget.cpp:5545
#40 0x00007f66fd1ee9eb in QWidgetBackingStore::sync (this=0x12db640) at painting/qbackingstore.cpp:1333
#41 0x00007f66fd01df60 in QWidgetPrivate::syncBackingStore (this=0x16b8f70) at kernel/qwidget.cpp:1842
#42 0x00007f66fd02b194 in QWidget::event (this=0x16b9d60, event=0x1ead2d0) at kernel/qwidget.cpp:8552
#43 0x00007f66fd3dd156 in QFrame::event (this=0x16b9d60, e=0x1ead2d0) at widgets/qframe.cpp:557
#44 0x00007f66fd45e8eb in QAbstractScrollArea::event (this=0x16b9d60, e=0x1ead2d0) at widgets/qabstractscrollarea.cpp:996
#45 0x00007f6700d37fe6 in PanelView::event (this=0x16b9d60, event=0x1ead2d0) at ../../../../plasma/desktop/shell/panelview.cpp:1604
#46 0x00007f66fcfd99f4 in QApplicationPrivate::notify_helper (this=0x129c9a0, receiver=0x16b9d60, e=0x1ead2d0) at kernel/qapplication.cpp:4462
#47 0x00007f66fcfde3ba in QApplication::notify (this=<value optimized out>, receiver=0x16b9d60, e=0x1ead2d0) at kernel/qapplication.cpp:4341
#48 0x00007f66fe8d4866 in KApplication::notify (this=0x127b880, receiver=0x16b9d60, event=0x1ead2d0) at ../../kdeui/kernel/kapplication.cpp:311
#49 0x00007f66fdc1c49c in QCoreApplication::notifyInternal (this=0x127b880, receiver=0x16b9d60, event=0x1ead2d0) at kernel/qcoreapplication.cpp:731
#50 0x00007f66fdc1fc25 in sendEvent (receiver=0x16b9d60, event_type=77, data=0x1220b60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#51 QCoreApplicationPrivate::sendPostedEvents (receiver=0x16b9d60, event_type=77, data=0x1220b60) at kernel/qcoreapplication.cpp:1372
#52 0x00007f66fd5d7f7a in dispatchPendingUpdateRequests (this=0x12a0a30) at ../../include/QtGui/private/../../../src/gui/graphicsview/qgraphicsview_p.h:189
#53 QGraphicsScenePrivate::_q_processDirtyItems (this=0x12a0a30) at graphicsview/qgraphicsscene.cpp:510
#54 0x00007f66fd5d839a in QGraphicsScene::qt_metacall (this=0x139df00, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x1fd4fd0) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#55 0x00007f670057bb65 in Plasma::Corona::qt_metacall (this=0x139df00, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x1fd4fd0) at ./corona.moc:109
#56 0x00007f6700d2c065 in DesktopCorona::qt_metacall (this=0x139df00, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x1fd4fd0) at ./desktopcorona.moc:101
#57 0x00007f66fdc3049a in QObject::event (this=0x139df00, e=<value optimized out>) at kernel/qobject.cpp:1226
#58 0x00007f66fd5e4c7b in QGraphicsScene::event (this=0x139df00, event=0x176e860) at graphicsview/qgraphicsscene.cpp:3544
#59 0x00007f66fcfd99f4 in QApplicationPrivate::notify_helper (this=0x129c9a0, receiver=0x139df00, e=0x176e860) at kernel/qapplication.cpp:4462
#60 0x00007f66fcfde3ba in QApplication::notify (this=<value optimized out>, receiver=0x139df00, e=0x176e860) at kernel/qapplication.cpp:4341
#61 0x00007f66fe8d4866 in KApplication::notify (this=0x127b880, receiver=0x139df00, event=0x176e860) at ../../kdeui/kernel/kapplication.cpp:311
#62 0x00007f66fdc1c49c in QCoreApplication::notifyInternal (this=0x127b880, receiver=0x139df00, event=0x176e860) at kernel/qcoreapplication.cpp:731
#63 0x00007f66fdc1fc25 in sendEvent (receiver=0x0, event_type=0, data=0x1220b60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#64 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1220b60) at kernel/qcoreapplication.cpp:1372
#65 0x00007f66fdc47253 in sendPostedEvents (s=0x129f1c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#66 postEventSourceDispatch (s=0x129f1c0) at kernel/qeventdispatcher_glib.cpp:277
#67 0x00007f66f5416bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#68 0x00007f66f54173a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#69 0x00007f66f5417639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#70 0x00007f66fdc473ef in QEventDispatcherGlib::processEvents (this=0x1220340, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#71 0x00007f66fd0834de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#72 0x00007f66fdc1b882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#73 0x00007f66fdc1babc in QEventLoop::exec (this=0x7fff223ccb40, flags=...) at kernel/qeventloop.cpp:201
#74 0x00007f66fdc1fecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#75 0x00007f6700d32897 in kdemain (argc=1, argv=0x7fff223ccf08) at ../../../../plasma/desktop/shell/main.cpp:118
#76 0x00007f670097eeff in __libc_start_main (main=0x400740 <main(int, char**)>, argc=1, ubp_av=0x7fff223ccf08, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff223ccef8) at libc-start.c:226
#77 0x0000000000400669 in _start ()

Possible duplicates by query: bug 278297, bug 277848, bug 277387, bug 277359, bug 277342.

Reported using DrKonqi