Bug 272202

Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
Listening to a song, quit Amarok while was song was playing.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f15805de7c0 (LWP 1920))]

Thread 4 (Thread 0x7f1557fff700 (LWP 1928)):
#0  0x00007f157fed1f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f15748b4104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f15748b4639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f157d0e0446 in QEventDispatcherGlib::processEvents (this=0x2a130d0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f157d0b4882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f157d0b4abc in QEventLoop::exec (this=0x7f1557ffecd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f157cfcb924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f157d096c2f in QInotifyFileSystemWatcherEngine::run (this=0x2a1a1d0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f157cfce175 in QThreadPrivate::start (arg=0x2a1a1d0) at thread/qthread_unix.cpp:320
#9  0x00007f1572939853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f15751b7d8c in start_thread (arg=0x7f1557fff700) at pthread_create.c:304
#11 0x00007f157fedf04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f1556476700 (LWP 1929)):
#0  0x00007f157fed1f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f15748b4104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f15748b4639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f157d0e0446 in QEventDispatcherGlib::processEvents (this=0x2a9c050, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f157d0b4882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f157d0b4abc in QEventLoop::exec (this=0x7f1556475cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f157cfcb924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f157d096c2f in QInotifyFileSystemWatcherEngine::run (this=0x2a9b4f0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f157cfce175 in QThreadPrivate::start (arg=0x2a9b4f0) at thread/qthread_unix.cpp:320
#9  0x00007f1572939853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f15751b7d8c in start_thread (arg=0x7f1556476700) at pthread_create.c:304
#11 0x00007f157fedf04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f15523ad700 (LWP 1935)):
#0  0x00007f157fed1f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f15748b4104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f15748b49f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f15534c4c44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f15748db3e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1572939853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x00007f15751b7d8c in start_thread (arg=0x7f15523ad700) at pthread_create.c:304
#7  0x00007f157fedf04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f15805de7c0 (LWP 1920)):
[KCrash Handler]
#6  0x00007f157dd145df in QString (this=0x3140075, group=0, state=0) at /usr/include/qt4/QtCore/qstring.h:728
#7  KIconEffect::fingerprint (this=0x3140075, group=0, state=0) at ../../kdeui/icons/kiconeffect.cpp:169
#8  0x00007f157dd19feb in KIconLoaderPrivate::makeCacheKey (this=<value optimized out>, name=..., group=KIconLoader::Desktop, overlays=..., size=24, state=0) at ../../kdeui/icons/kiconloader.cpp:782
#9  0x00007f157dd20d03 in KIconLoader::loadIcon (this=0x2187440, _name=<value optimized out>, group=KIconLoader::Desktop, size=24, state=0, overlays=..., path_store=0x0, canReturnNull=false) at ../../kdeui/icons/kiconloader.cpp:1226
#10 0x00007f157dd18c99 in KIconEngine::pixmap (this=<value optimized out>, size=..., mode=<value optimized out>, state=<value optimized out>) at ../../kdeui/icons/kiconengine.cpp:93
#11 0x00007f157c51fdd5 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 0x00007f157fac1099 in Plasma::IconWidgetPrivate::decoration (this=0x35c2370, option=<value optimized out>, useHoverEffect=false, usePressedEffect=false) at ../../plasma/widgets/iconwidget.cpp:812
#13 0x00007f157fac6e51 in Plasma::IconWidget::paint (this=0x3a15e00, painter=0x7fff03229530, option=0x20b1628, widget=<value optimized out>) at ../../plasma/widgets/iconwidget.cpp:1128
#14 0x00007f1564e973e9 in SystemTray::DBusSystemTrayWidget::paint (this=0x3a15e00, painter=0x7fff03229530, option=0x20b1628, widget=<value optimized out>) at ../../../../../plasma/generic/applets/systemtray/protocols/dbussystemtray/dbussystemtraywidget.cpp:189
#15 0x00007f157ca6619d in _q_paintItem (item=<value optimized out>, painter=0x7fff03229530, option=0x20b1628, widget=0x0, useWindowOpacity=<value optimized out>, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4314
#16 0x00007f157ca664b0 in _q_paintIntoCache (pix=0x7fff03229a60, item=0x3a15e10, pixmapExposed=..., itemToPixmap=..., renderHints=..., option=0x20b1628, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4352
#17 0x00007f157ca79ce8 in QGraphicsScenePrivate::drawItemHelper (this=0x20b1400, item=0x3a15e10, painter=0x7fff0322ba70, option=0x20b1628, widget=<value optimized out>, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4690
#18 0x00007f157ca7a8ba in QGraphicsScenePrivate::draw (this=0x20b1400, item=0x3a15e10, painter=0x7fff0322ba70, viewTransform=0x7fff0322b800, transformPtr=0x7fff0322a120, exposedRegion=0x3035860, widget=0x2d127c0, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4962
#19 0x00007f157ca7b565 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x20b1400, item=0x3a15e10, painter=0x7fff0322ba70, viewTransform=0x7fff0322b800, exposedRegion=0x3035860, widget=0x2d127c0, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#20 0x00007f157ca7a730 in QGraphicsScenePrivate::draw (this=0x20b1400, item=0x237bb80, painter=0x7fff0322ba70, viewTransform=0x7fff0322b800, transformPtr=0x7fff0322a720, exposedRegion=0x3035860, widget=0x2d127c0, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#21 0x00007f157ca7b565 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x20b1400, item=0x237bb80, painter=0x7fff0322ba70, viewTransform=0x7fff0322b800, exposedRegion=0x3035860, widget=0x2d127c0, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#22 0x00007f157ca7a730 in QGraphicsScenePrivate::draw (this=0x20b1400, item=0x23616c0, painter=0x7fff0322ba70, viewTransform=0x7fff0322b800, transformPtr=0x7fff0322ad20, exposedRegion=0x3035860, widget=0x2d127c0, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#23 0x00007f157ca7b565 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x20b1400, item=0x23616c0, painter=0x7fff0322ba70, viewTransform=0x7fff0322b800, exposedRegion=0x3035860, widget=0x2d127c0, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#24 0x00007f157ca7a730 in QGraphicsScenePrivate::draw (this=0x20b1400, item=0x2159550, painter=0x7fff0322ba70, viewTransform=0x7fff0322b800, transformPtr=0x7fff0322b320, exposedRegion=0x3035860, widget=0x2d127c0, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#25 0x00007f157ca7b565 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x20b1400, item=0x2159550, painter=0x7fff0322ba70, viewTransform=0x7fff0322b800, exposedRegion=0x3035860, widget=0x2d127c0, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#26 0x00007f157ca7bd94 in QGraphicsScenePrivate::drawItems (this=0x20b1400, painter=0x7fff0322ba70, viewTransform=0x7fff0322b800, exposedRegion=0x3035860, widget=0x2d127c0) at graphicsview/qgraphicsscene.cpp:4735
#27 0x00007f157ca98bd2 in QGraphicsView::paintEvent (this=<value optimized out>, event=<value optimized out>) at graphicsview/qgraphicsview.cpp:3469
#28 0x00007f157c4c7c6a in QWidget::event (this=0x2e95ac0, event=0x7fff0322c390) at kernel/qwidget.cpp:8405
#29 0x00007f157c877a66 in QFrame::event (this=0x2e95ac0, e=0x7fff0322c390) at widgets/qframe.cpp:557
#30 0x00007f157ca99e8b in QGraphicsView::viewportEvent (this=0x2e95ac0, event=0x7fff0322c390) at graphicsview/qgraphicsview.cpp:2864
#31 0x00007f157d0b5627 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x2d127c0, event=0x7fff0322c390) at kernel/qcoreapplication.cpp:846
#32 0x00007f157c4769b1 in QApplicationPrivate::notify_helper (this=0x1fbb7f0, receiver=0x2d127c0, e=0x7fff0322c390) at kernel/qapplication.cpp:4458
#33 0x00007f157c47b3aa in QApplication::notify (this=<value optimized out>, receiver=0x2d127c0, e=0x7fff0322c390) at kernel/qapplication.cpp:4341
#34 0x00007f157dd6d866 in KApplication::notify (this=0x1fa9bd0, receiver=0x2d127c0, event=0x7fff0322c390) at ../../kdeui/kernel/kapplication.cpp:311
#35 0x00007f157d0b549c in QCoreApplication::notifyInternal (this=0x1fa9bd0, receiver=0x2d127c0, event=0x7fff0322c390) at kernel/qcoreapplication.cpp:731
#36 0x00007f157c4c4abd in sendSpontaneousEvent (this=0x3048fe0, pdev=0x2b002f8, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x2b143d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#37 QWidgetPrivate::drawWidget (this=0x3048fe0, pdev=0x2b002f8, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x2b143d0) at kernel/qwidget.cpp:5492
#38 0x00007f157c4c56d2 in QWidgetPrivate::paintSiblingsRecursive (this=0x30353d0, pdev=0x2b002f8, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x2b143d0) at kernel/qwidget.cpp:5699
#39 0x00007f157c4c47fc in QWidgetPrivate::drawWidget (this=0x30353d0, pdev=0x2b002f8, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x2b143d0) at kernel/qwidget.cpp:5545
#40 0x00007f157c6892fb in QWidgetBackingStore::sync (this=0x2b143d0) at painting/qbackingstore.cpp:1333
#41 0x00007f157c4baf50 in QWidgetPrivate::syncBackingStore (this=0x30353d0) at kernel/qwidget.cpp:1842
#42 0x00007f157c4c8184 in QWidget::event (this=0x2e95ac0, event=0x2187440) at kernel/qwidget.cpp:8552
#43 0x00007f157c877a66 in QFrame::event (this=0x2e95ac0, e=0x2187440) at widgets/qframe.cpp:557
#44 0x00007f157c8f91fb in QAbstractScrollArea::event (this=0x2e95ac0, e=0x2187440) at widgets/qabstractscrollarea.cpp:996
#45 0x00007f15801d0fe6 in PanelView::event (this=0x2e95ac0, event=0x2187440) at ../../../../plasma/desktop/shell/panelview.cpp:1604
#46 0x00007f157c4769e4 in QApplicationPrivate::notify_helper (this=0x1fbb7f0, receiver=0x2e95ac0, e=0x2187440) at kernel/qapplication.cpp:4462
#47 0x00007f157c47b3aa in QApplication::notify (this=<value optimized out>, receiver=0x2e95ac0, e=0x2187440) at kernel/qapplication.cpp:4341
#48 0x00007f157dd6d866 in KApplication::notify (this=0x1fa9bd0, receiver=0x2e95ac0, event=0x2187440) at ../../kdeui/kernel/kapplication.cpp:311
#49 0x00007f157d0b549c in QCoreApplication::notifyInternal (this=0x1fa9bd0, receiver=0x2e95ac0, event=0x2187440) at kernel/qcoreapplication.cpp:731
#50 0x00007f157d0b8c25 in sendEvent (receiver=0x2e95ac0, event_type=77, data=0x1ef6b60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#51 QCoreApplicationPrivate::sendPostedEvents (receiver=0x2e95ac0, event_type=77, data=0x1ef6b60) at kernel/qcoreapplication.cpp:1372
#52 0x00007f157ca7288a in dispatchPendingUpdateRequests (this=0x20b1400) at ../../include/QtGui/private/../../../src/gui/graphicsview/qgraphicsview_p.h:189
#53 QGraphicsScenePrivate::_q_processDirtyItems (this=0x20b1400) at graphicsview/qgraphicsscene.cpp:510
#54 0x00007f157ca72caa in QGraphicsScene::qt_metacall (this=0x20af6c0, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x3c126c0) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#55 0x00007f157fa14b65 in Plasma::Corona::qt_metacall (this=0x20af6c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x3c126c0) at ./corona.moc:109
#56 0x00007f15801c5065 in DesktopCorona::qt_metacall (this=0x20af6c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x3c126c0) at ./desktopcorona.moc:101
#57 0x00007f157d0c949a in QObject::event (this=0x20af6c0, e=<value optimized out>) at kernel/qobject.cpp:1226
#58 0x00007f157ca7f58b in QGraphicsScene::event (this=0x20af6c0, event=0x3543290) at graphicsview/qgraphicsscene.cpp:3544
#59 0x00007f157c4769e4 in QApplicationPrivate::notify_helper (this=0x1fbb7f0, receiver=0x20af6c0, e=0x3543290) at kernel/qapplication.cpp:4462
#60 0x00007f157c47b3aa in QApplication::notify (this=<value optimized out>, receiver=0x20af6c0, e=0x3543290) at kernel/qapplication.cpp:4341
#61 0x00007f157dd6d866 in KApplication::notify (this=0x1fa9bd0, receiver=0x20af6c0, event=0x3543290) at ../../kdeui/kernel/kapplication.cpp:311
#62 0x00007f157d0b549c in QCoreApplication::notifyInternal (this=0x1fa9bd0, receiver=0x20af6c0, event=0x3543290) at kernel/qcoreapplication.cpp:731
#63 0x00007f157d0b8c25 in sendEvent (receiver=0x0, event_type=0, data=0x1ef6b60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#64 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1ef6b60) at kernel/qcoreapplication.cpp:1372
#65 0x00007f157d0e0253 in sendPostedEvents (s=0x1fc29c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#66 postEventSourceDispatch (s=0x1fc29c0) at kernel/qeventdispatcher_glib.cpp:277
#67 0x00007f15748b3bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#68 0x00007f15748b43a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#69 0x00007f15748b4639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#70 0x00007f157d0e03ef in QEventDispatcherGlib::processEvents (this=0x1ef6340, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#71 0x00007f157c51ddfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#72 0x00007f157d0b4882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#73 0x00007f157d0b4abc in QEventLoop::exec (this=0x7fff0322e330, flags=...) at kernel/qeventloop.cpp:201
#74 0x00007f157d0b8ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#75 0x00007f15801cb897 in kdemain (argc=1, argv=0x7fff0322e6f8) at ../../../../plasma/desktop/shell/main.cpp:118
#76 0x00007f157fe17eff in __libc_start_main (main=0x400740 <main(int, char**)>, argc=1, ubp_av=0x7fff0322e6f8, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff0322e6e8) at libc-start.c:226
#77 0x0000000000400669 in _start ()

Possible duplicates by query: bug 272090, bug 272068, bug 272060, bug 272058, bug 272002.

Reported using DrKonqi