Bug 270780

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 Natty (development branch)

-- Information about the crash:
Crash happened when trying to stop a "mobile broadband" connection through the plasma applet (by hitting the red X).

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f8036ff87a0 (LWP 3126))]

Thread 4 (Thread 0x7f8019eee700 (LWP 3127)):
#0  0x00007f802bbe2d9d in __pthread_mutex_unlock_usercnt (mutex=0x1c79ee8) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x1c79ee8) at pthread_mutex_unlock.c:290
#2  0x00007f802b2db1b3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f802b2db639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8033b07446 in QEventDispatcherGlib::processEvents (this=0x1c79880, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f8033adb882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f8033adbabc in QEventLoop::exec (this=0x7f8019eeddb0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f80339f2924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#8  0x00007f8033abdc2f in QInotifyFileSystemWatcherEngine::run (this=0x1c41340) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f80339f5175 in QThreadPrivate::start (arg=0x1c41340) at thread/qthread_unix.cpp:320
#10 0x00007f802bbded8c in start_thread (arg=0x7f8019eee700) at pthread_create.c:304
#11 0x00007f803690604d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f800dbfe700 (LWP 3129)):
#0  0x00007f80368f8f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f802b2db104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f802b2db639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8033b07446 in QEventDispatcherGlib::processEvents (this=0x1d2da80, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f8033adb882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f8033adbabc in QEventLoop::exec (this=0x7f800dbfddb0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f80339f2924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f8033abdc2f in QInotifyFileSystemWatcherEngine::run (this=0x1d2ca50) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f80339f5175 in QThreadPrivate::start (arg=0x1d2ca50) at thread/qthread_unix.cpp:320
#9  0x00007f802bbded8c in start_thread (arg=0x7f800dbfe700) at pthread_create.c:304
#10 0x00007f803690604d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f800ba2a700 (LWP 3131)):
#0  0x00007f80368f8f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f802b2db104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f802b2db9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f800cb41d44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f802b3023e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f802bbded8c in start_thread (arg=0x7f800ba2a700) at pthread_create.c:304
#6  0x00007f803690604d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f8036ff87a0 (LWP 3126)):
[KCrash Handler]
#6  0x00007f803473b5d1 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  0x00007f8034740feb in KIconLoaderPrivate::makeCacheKey (this=<value optimized out>, name=..., group=KIconLoader::Desktop, overlays=..., size=24, state=0) at ../../kdeui/icons/kiconloader.cpp:782
#9  0x00007f8034747d03 in KIconLoader::loadIcon (this=0x2bac600, _name=<value optimized out>, group=KIconLoader::Desktop, size=24, state=0, overlays=..., path_store=0x0, canReturnNull=false) at ../../kdeui/icons/kiconloader.cpp:1226
#10 0x00007f803473fc99 in KIconEngine::pixmap (this=<value optimized out>, size=..., mode=<value optimized out>, state=<value optimized out>) at ../../kdeui/icons/kiconengine.cpp:93
#11 0x00007f8032f46dd5 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 0x00007f80364e8099 in Plasma::IconWidgetPrivate::decoration (this=0x2b81100, option=<value optimized out>, useHoverEffect=false, usePressedEffect=false) at ../../plasma/widgets/iconwidget.cpp:812
#13 0x00007f80364ede51 in Plasma::IconWidget::paint (this=0x2b80b50, painter=0x7fffc60d0000, option=0x1796b28, widget=<value optimized out>) at ../../plasma/widgets/iconwidget.cpp:1128
#14 0x00007f801dd453e9 in SystemTray::DBusSystemTrayWidget::paint (this=0x2b80b50, painter=0x7fffc60d0000, option=0x1796b28, widget=<value optimized out>) at ../../../../../plasma/generic/applets/systemtray/protocols/dbussystemtray/dbussystemtraywidget.cpp:189
#15 0x00007f803348d19d in _q_paintItem (item=<value optimized out>, painter=0x7fffc60d0000, option=0x1796b28, widget=0x0, useWindowOpacity=<value optimized out>, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4314
#16 0x00007f803348d4b0 in _q_paintIntoCache (pix=0x7fffc60d0530, item=0x2b80b60, pixmapExposed=..., itemToPixmap=..., renderHints=..., option=0x1796b28, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4352
#17 0x00007f80334a0ce8 in QGraphicsScenePrivate::drawItemHelper (this=0x1796900, item=0x2b80b60, painter=0x7fffc60d2540, option=0x1796b28, widget=<value optimized out>, painterStateProtection=true) at graphicsview/qgraphicsscene.cpp:4690
#18 0x00007f80334a18ba in QGraphicsScenePrivate::draw (this=0x1796900, item=0x2b80b60, painter=0x7fffc60d2540, viewTransform=0x7fffc60d22d0, transformPtr=0x7fffc60d0bf0, exposedRegion=0x25b6310, widget=0x1cb0980, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4962
#19 0x00007f80334a2565 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x1796900, item=0x2b80b60, painter=0x7fffc60d2540, viewTransform=0x7fffc60d22d0, exposedRegion=0x25b6310, widget=0x1cb0980, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#20 0x00007f80334a1730 in QGraphicsScenePrivate::draw (this=0x1796900, item=0x19981f0, painter=0x7fffc60d2540, viewTransform=0x7fffc60d22d0, transformPtr=0x7fffc60d11f0, exposedRegion=0x25b6310, widget=0x1cb0980, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#21 0x00007f80334a2565 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x1796900, item=0x19981f0, painter=0x7fffc60d2540, viewTransform=0x7fffc60d22d0, exposedRegion=0x25b6310, widget=0x1cb0980, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#22 0x00007f80334a1730 in QGraphicsScenePrivate::draw (this=0x1796900, item=0x19ad8f0, painter=0x7fffc60d2540, viewTransform=0x7fffc60d22d0, transformPtr=0x7fffc60d17f0, exposedRegion=0x25b6310, widget=0x1cb0980, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#23 0x00007f80334a2565 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x1796900, item=0x19ad8f0, painter=0x7fffc60d2540, viewTransform=0x7fffc60d22d0, exposedRegion=0x25b6310, widget=0x1cb0980, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#24 0x00007f80334a1730 in QGraphicsScenePrivate::draw (this=0x1796900, item=0x1819ef0, painter=0x7fffc60d2540, viewTransform=0x7fffc60d22d0, transformPtr=0x7fffc60d1df0, exposedRegion=0x25b6310, widget=0x1cb0980, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#25 0x00007f80334a2565 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x1796900, item=0x1819ef0, painter=0x7fffc60d2540, viewTransform=0x7fffc60d22d0, exposedRegion=0x25b6310, widget=0x1cb0980, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#26 0x00007f80334a2d94 in QGraphicsScenePrivate::drawItems (this=0x1796900, painter=0x7fffc60d2540, viewTransform=0x7fffc60d22d0, exposedRegion=0x25b6310, widget=0x1cb0980) at graphicsview/qgraphicsscene.cpp:4735
#27 0x00007f80334bfbd2 in QGraphicsView::paintEvent (this=<value optimized out>, event=<value optimized out>) at graphicsview/qgraphicsview.cpp:3469
#28 0x00007f8032eeec6a in QWidget::event (this=0x291d790, event=0x7fffc60d2e60) at kernel/qwidget.cpp:8405
#29 0x00007f803329ea66 in QFrame::event (this=0x291d790, e=0x7fffc60d2e60) at widgets/qframe.cpp:557
#30 0x00007f80334c0e8b in QGraphicsView::viewportEvent (this=0x291d790, event=0x7fffc60d2e60) at graphicsview/qgraphicsview.cpp:2864
#31 0x00007f8033adc627 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1cb0980, event=0x7fffc60d2e60) at kernel/qcoreapplication.cpp:846
#32 0x00007f8032e9d9b1 in QApplicationPrivate::notify_helper (this=0x16c0a90, receiver=0x1cb0980, e=0x7fffc60d2e60) at kernel/qapplication.cpp:4458
#33 0x00007f8032ea23aa in QApplication::notify (this=<value optimized out>, receiver=0x1cb0980, e=0x7fffc60d2e60) at kernel/qapplication.cpp:4341
#34 0x00007f8034794866 in KApplication::notify (this=0x16aea40, receiver=0x1cb0980, event=0x7fffc60d2e60) at ../../kdeui/kernel/kapplication.cpp:311
#35 0x00007f8033adc49c in QCoreApplication::notifyInternal (this=0x16aea40, receiver=0x1cb0980, event=0x7fffc60d2e60) at kernel/qcoreapplication.cpp:731
#36 0x00007f8032eebabd in sendSpontaneousEvent (this=0x2517270, pdev=0x270c508, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x276c660) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#37 QWidgetPrivate::drawWidget (this=0x2517270, pdev=0x270c508, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x276c660) at kernel/qwidget.cpp:5492
#38 0x00007f8032eec6d2 in QWidgetPrivate::paintSiblingsRecursive (this=0x25b5e80, pdev=0x270c508, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x276c660) at kernel/qwidget.cpp:5699
#39 0x00007f8032eec58a in QWidgetPrivate::paintSiblingsRecursive (this=0x25b5e80, pdev=0x270c508, siblings=..., index=4, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x276c660) at kernel/qwidget.cpp:5686
#40 0x00007f8032eec58a in QWidgetPrivate::paintSiblingsRecursive (this=0x25b5e80, pdev=0x270c508, siblings=..., index=5, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x276c660) at kernel/qwidget.cpp:5686
#41 0x00007f8032eeb7fc in QWidgetPrivate::drawWidget (this=0x25b5e80, pdev=0x270c508, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x276c660) at kernel/qwidget.cpp:5545
#42 0x00007f80330b02fb in QWidgetBackingStore::sync (this=0x276c660) at painting/qbackingstore.cpp:1333
#43 0x00007f8032ee1f50 in QWidgetPrivate::syncBackingStore (this=0x25b5e80) at kernel/qwidget.cpp:1842
#44 0x00007f8032eef184 in QWidget::event (this=0x291d790, event=0x2ed32a0) at kernel/qwidget.cpp:8552
#45 0x00007f803329ea66 in QFrame::event (this=0x291d790, e=0x2ed32a0) at widgets/qframe.cpp:557
#46 0x00007f80333201fb in QAbstractScrollArea::event (this=0x291d790, e=0x2ed32a0) at widgets/qabstractscrollarea.cpp:996
#47 0x00007f8036bf7fe6 in PanelView::event (this=0x291d790, event=0x2ed32a0) at ../../../../plasma/desktop/shell/panelview.cpp:1604
#48 0x00007f8032e9d9e4 in QApplicationPrivate::notify_helper (this=0x16c0a90, receiver=0x291d790, e=0x2ed32a0) at kernel/qapplication.cpp:4462
#49 0x00007f8032ea23aa in QApplication::notify (this=<value optimized out>, receiver=0x291d790, e=0x2ed32a0) at kernel/qapplication.cpp:4341
#50 0x00007f8034794866 in KApplication::notify (this=0x16aea40, receiver=0x291d790, event=0x2ed32a0) at ../../kdeui/kernel/kapplication.cpp:311
#51 0x00007f8033adc49c in QCoreApplication::notifyInternal (this=0x16aea40, receiver=0x291d790, event=0x2ed32a0) at kernel/qcoreapplication.cpp:731
#52 0x00007f8033adfc25 in sendEvent (receiver=0x291d790, event_type=77, data=0x1635b60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#53 QCoreApplicationPrivate::sendPostedEvents (receiver=0x291d790, event_type=77, data=0x1635b60) at kernel/qcoreapplication.cpp:1372
#54 0x00007f803349988a in dispatchPendingUpdateRequests (this=0x1796900) at ../../include/QtGui/private/../../../src/gui/graphicsview/qgraphicsview_p.h:189
#55 QGraphicsScenePrivate::_q_processDirtyItems (this=0x1796900) at graphicsview/qgraphicsscene.cpp:510
#56 0x00007f8033499caa in QGraphicsScene::qt_metacall (this=0x16ce5f0, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x2603a70) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#57 0x00007f803643bb65 in Plasma::Corona::qt_metacall (this=0x16ce5f0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x2603a70) at ./corona.moc:109
#58 0x00007f8036bec065 in DesktopCorona::qt_metacall (this=0x16ce5f0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x2603a70) at ./desktopcorona.moc:101
#59 0x00007f8033af049a in QObject::event (this=0x16ce5f0, e=<value optimized out>) at kernel/qobject.cpp:1226
#60 0x00007f80334a658b in QGraphicsScene::event (this=0x16ce5f0, event=0x26030d0) at graphicsview/qgraphicsscene.cpp:3544
#61 0x00007f8032e9d9e4 in QApplicationPrivate::notify_helper (this=0x16c0a90, receiver=0x16ce5f0, e=0x26030d0) at kernel/qapplication.cpp:4462
#62 0x00007f8032ea23aa in QApplication::notify (this=<value optimized out>, receiver=0x16ce5f0, e=0x26030d0) at kernel/qapplication.cpp:4341
#63 0x00007f8034794866 in KApplication::notify (this=0x16aea40, receiver=0x16ce5f0, event=0x26030d0) at ../../kdeui/kernel/kapplication.cpp:311
#64 0x00007f8033adc49c in QCoreApplication::notifyInternal (this=0x16aea40, receiver=0x16ce5f0, event=0x26030d0) at kernel/qcoreapplication.cpp:731
#65 0x00007f8033adfc25 in sendEvent (receiver=0x0, event_type=0, data=0x1635b60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#66 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1635b60) at kernel/qcoreapplication.cpp:1372
#67 0x00007f8033b07253 in sendPostedEvents (s=0x16c65c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#68 postEventSourceDispatch (s=0x16c65c0) at kernel/qeventdispatcher_glib.cpp:277
#69 0x00007f802b2dabcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#70 0x00007f802b2db3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#71 0x00007f802b2db639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#72 0x00007f8033b073ef in QEventDispatcherGlib::processEvents (this=0x1635340, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#73 0x00007f8032f44dfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#74 0x00007f8033adb882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#75 0x00007f8033adbabc in QEventLoop::exec (this=0x7fffc60d5180, flags=...) at kernel/qeventloop.cpp:201
#76 0x00007f8033adfecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#77 0x00007f8036bf2897 in kdemain (argc=1, argv=0x7fffc60d5548) at ../../../../plasma/desktop/shell/main.cpp:118
#78 0x00007f803683eeff in __libc_start_main (main=0x400740 <main(int, char**)>, argc=1, ubp_av=0x7fffc60d5548, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fffc60d5538) at libc-start.c:226
#79 0x0000000000400669 in _start ()

Possible duplicates by query: bug 270352, bug 270186, bug 270021, bug 270009, bug 269944.

Reported using DrKonqi