Bug 252922

Application: plasma-desktop (0.4)
KDE Platform Version: 4.5.70 (4.6 >= 20100927) (Compiled from sources)
Qt Version: 4.6.3
Operating System: Linux 2.6.32-020632-generic x86_64
Distribution: Ubuntu 9.04

-- Information about the crash:
- What I was doing when the application crashed:

plasma desktop crashed on logout, kde trunk compiled about 1 hr ago, qt 4.7.0 git

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 0 (LWP 27704)]

Thread 3 (Thread 0x7f9cf50fb950 (LWP 27708)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f9d11930f16 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f9d11c10620) at /home/kde-devel/kdesvn/qt-copy/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2304
#2  0x00007f9d11930f59 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f9d11c1e6ec) at /home/kde-devel/kdesvn/qt-copy/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1438
#3  0x00007f9d0834f953 in ?? () from /usr/lib/libGL.so.1
#4  0x00007f9d0cc973ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f9d0b30302d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9cf3265950 (LWP 27709)):
#0  0x00007f9d0b2f94c6 in *__GI___poll (fds=0x13689c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f9d0573f77f in g_main_context_iterate (context=0x13a37f0, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2761
#2  0x00007f9d0573fa7c in IA__g_main_context_iteration (context=0x13a37f0, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#3  0x00007f9d0d057736 in QEventDispatcherGlib::processEvents (this=0x13690d0, flags=<value optimized out>) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qeventdispatcher_glib.cpp:414
#4  0x00007f9d0d02b9b2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -215593248}) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qeventloop.cpp:149
#5  0x00007f9d0d02bd84 in QEventLoop::exec (this=0x7f9cf3264f20, flags={i = -215593152}) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qeventloop.cpp:201
#6  0x00007f9d0cf37699 in QThread::exec (this=<value optimized out>) at /home/kde-devel/kdesvn/qt-copy/src/corelib/thread/qthread.cpp:487
#7  0x00007f9d0d00c108 in QInotifyFileSystemWatcherEngine::run (this=0x13aae80) at /home/kde-devel/kdesvn/qt-copy/src/corelib/io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f9d0cf39ea5 in QThreadPrivate::start (arg=0x13aae80) at /home/kde-devel/kdesvn/qt-copy/src/corelib/thread/qthread_unix.cpp:248
#9  0x00007f9d0834f953 in ?? () from /usr/lib/libGL.so.1
#10 0x00007f9d0cc973ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#11 0x00007f9d0b30302d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9d122ad780 (LWP 27704)):
[KCrash Handler]
#6  Plasma::FrameData::ref (this=0x12b62e0, svg=0x38f9160) at /home/kde-devel/qt4/include/QtCore/qbasicatomic.h:75
#7  0x00007f9d10ce3651 in Plasma::FrameSvgPrivate::alphaMask (this=0x390b160) at /home/kde-devel/kdesvn/kdelibs/plasma/framesvg.cpp:534
#8  0x00007f9d10ce117a in Plasma::FrameSvgPrivate::generateFrameBackground (this=0x390b160, frame=0x3112a00) at /home/kde-devel/kdesvn/kdelibs/plasma/framesvg.cpp:710
#9  0x00007f9d10ce288b in Plasma::FrameSvgPrivate::generateBackground (this=0x390b160, frame=0x3112a00) at /home/kde-devel/kdesvn/kdelibs/plasma/framesvg.cpp:582
#10 0x00007f9d10ce3f40 in Plasma::FrameSvg::paintFrame (this=0x38f9160, painter=0x7fff3a302550, pos=@0x7fff3a302380) at /home/kde-devel/kdesvn/kdelibs/plasma/framesvg.cpp:440
#11 0x00007f9d10c83900 in Plasma::Applet::paint (this=0x30325c0, painter=0x7fff3a302550, option=0xfc27b8, widget=0x0) at /home/kde-devel/kdesvn/kdelibs/plasma/applet.cpp:1383
#12 0x00007f9d0c7af5f6 in _q_paintItem (item=<value optimized out>, painter=0x7fff3a302550, option=0xfc27b8, widget=0x0, useWindowOpacity=false, painterStateProtection=true)
    at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsscene.cpp:4250
#13 0x00007f9d0c7af8ed in _q_paintIntoCache (pix=0x7fff3a302c00, item=0x30325d0, pixmapExposed=@0x7fff3a302d50, itemToPixmap=@0x7fff3a302980, renderHints={i = 976236000}, option=0xfc27b8, 
    painterStateProtection=true) at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsscene.cpp:4288
#14 0x00007f9d0c7b7ec5 in QGraphicsScenePrivate::drawItemHelper (this=0xfc2560, item=0x30325d0, painter=0x7fff3a303fa0, option=0xfc27b8, widget=<value optimized out>, painterStateProtection=true)
    at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsscene.cpp:4586
#15 0x00007f9d0c7bc8e8 in QGraphicsScenePrivate::draw (this=0xfc2560, item=0x30325d0, painter=0x7fff3a303fa0, viewTransform=0x0, transformPtr=0x37a3230, exposedRegion=0x1ec4330, widget=0x1edc070, 
    opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsscene.cpp:4827
#16 0x00007f9d0c7bd188 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0xfc2560, item=0x30325d0, painter=0x7fff3a303fa0, viewTransform=0x0, exposedRegion=0x1ec4330, widget=0x1edc070, 
    parentOpacity=<value optimized out>, effectTransform=0x0) at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsscene.cpp:4749
#17 0x00007f9d0c7bc672 in QGraphicsScenePrivate::draw (this=0xfc2560, item=0x12a7000, painter=0x7fff3a303fa0, viewTransform=0x0, transformPtr=0x12a7320, exposedRegion=0x1ec4330, widget=0x1edc070, 
    opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsscene.cpp:4841
#18 0x00007f9d0c7bd188 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0xfc2560, item=0x12a7000, painter=0x7fff3a303fa0, viewTransform=0x0, exposedRegion=0x1ec4330, widget=0x1edc070, 
    parentOpacity=<value optimized out>, effectTransform=0x0) at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsscene.cpp:4749
#19 0x00007f9d0c7bd878 in QGraphicsScenePrivate::drawItems (this=0xfc2560, painter=0x7fff3a303fa0, viewTransform=0x0, exposedRegion=0x1ec4330, widget=0x1edc070)
    at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsscene.cpp:4631
#20 0x00007f9d0c7e3e05 in QGraphicsView::paintEvent (this=0xf55960, event=<value optimized out>) at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsview.cpp:3387
#21 0x00007f9d0c1e63b3 in QWidget::event (this=0xf55960, event=0x7fff3a304960) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qwidget.cpp:8190
#22 0x00007f9d0c59bcdb in QFrame::event (this=0xf55960, e=0x7fff3a304960) at /home/kde-devel/kdesvn/qt-copy/src/gui/widgets/qframe.cpp:557
#23 0x00007f9d0c7df04b in QGraphicsView::viewportEvent (this=0xf55960, event=0x7fff3a304960) at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsview.cpp:2787
#24 0x00007f9d0d02c4f7 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1edc070, event=0x7fff3a304960)
    at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qcoreapplication.cpp:841
#25 0x00007f9d0c18e47c in QApplicationPrivate::notify_helper (this=0xe7b900, receiver=0x1edc070, e=0x7fff3a304960) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:4298
#26 0x00007f9d0c195a70 in QApplication::notify (this=0xe580f0, receiver=0x1edc070, e=0x7fff3a304960) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:4185
#27 0x00007f9d0dd86d6b in KApplication::notify (this=0xe580f0, receiver=0x1edc070, event=0x7fff3a304960) at /home/kde-devel/kdesvn/kdelibs/kdeui/kernel/kapplication.cpp:311
#28 0x00007f9d0d02d0cb in QCoreApplication::notifyInternal (this=0xe580f0, receiver=0x1edc070, event=0x7fff3a304960) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qcoreapplication.cpp:726
#29 0x00007f9d0c1ee611 in QWidgetPrivate::drawWidget (this=0x1edc170, pdev=0x12484c8, rgn=@0x7fff3a304d20, offset=@0x7fff3a304d10, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x1248460) at ../../include/QtCore/../../../../qt-copy/src/corelib/kernel/qcoreapplication.h:218
#30 0x00007f9d0c3ad36e in QWidgetBackingStore::sync (this=0x1248460) at /home/kde-devel/kdesvn/qt-copy/src/gui/painting/qbackingstore.cpp:1292
#31 0x00007f9d0c1df300 in QWidgetPrivate::syncBackingStore (this=0x1ec3e70) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qwidget.cpp:1688
#32 0x00007f9d0c1e6add in QWidget::event (this=0xf55960, event=0x1df93e0) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qwidget.cpp:8337
#33 0x00007f9d0c59bcdb in QFrame::event (this=0xf55960, e=0x1df93e0) at /home/kde-devel/kdesvn/qt-copy/src/gui/widgets/qframe.cpp:557
#34 0x00007f9d0c6288db in QAbstractScrollArea::event (this=0xf55960, e=0x1df93e0) at /home/kde-devel/kdesvn/qt-copy/src/gui/widgets/qabstractscrollarea.cpp:989
#35 0x00007f9d0c18e4ad in QApplicationPrivate::notify_helper (this=0xe7b900, receiver=0xf55960, e=0x1df93e0) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:4302
#36 0x00007f9d0c195a70 in QApplication::notify (this=0xe580f0, receiver=0xf55960, e=0x1df93e0) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:4185
#37 0x00007f9d0dd86d6b in KApplication::notify (this=0xe580f0, receiver=0xf55960, event=0x1df93e0) at /home/kde-devel/kdesvn/kdelibs/kdeui/kernel/kapplication.cpp:311
#38 0x00007f9d0d02d0cb in QCoreApplication::notifyInternal (this=0xe580f0, receiver=0xf55960, event=0x1df93e0) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qcoreapplication.cpp:726
#39 0x00007f9d0d02f930 in QCoreApplicationPrivate::sendPostedEvents (receiver=0xf55960, event_type=77, data=0xe474f0)
    at ../../include/QtCore/../../../../qt-copy/src/corelib/kernel/qcoreapplication.h:215
#40 0x00007f9d0c7cb4a1 in QGraphicsScenePrivate::_q_processDirtyItems (this=0xfc2560) at ../../include/QtGui/private/../../../../../qt-copy/src/gui/graphicsview/qgraphicsview_p.h:184
#41 0x00007f9d0c7cb9aa in QGraphicsScene::qt_metacall (this=0xfc5960, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x1ea3430) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#42 0x00007f9d10cadb75 in Plasma::Corona::qt_metacall (this=0x65007a00690000, _c=59740512, _id=1, _a=0x12684dc) at /home/kde-devel/kdesvn/build/kdelibs/plasma/corona.moc:109
#43 0x00007f9d11e99a95 in DesktopCorona::qt_metacall (this=0x65007a00690000, _c=59740512, _id=1, _a=0x12684dc)
    at /home/kde-devel/kdesvn/build/kdebase/workspace/plasma/desktop/shell/desktopcorona.moc:101
#44 0x00007f9d0d03d6f8 in QObject::event (this=0xfc5960, e=0x1e0f270) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qobject.cpp:1248
#45 0x00007f9d0c7c6772 in QGraphicsScene::event (this=0xfc5960, event=0x1e0f270) at /home/kde-devel/kdesvn/qt-copy/src/gui/graphicsview/qgraphicsscene.cpp:3501
#46 0x00007f9d0c18e4ad in QApplicationPrivate::notify_helper (this=0xe7b900, receiver=0xfc5960, e=0x1e0f270) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:4302
#47 0x00007f9d0c195b34 in QApplication::notify (this=0xe580f0, receiver=0xfc5960, e=0x1e0f270) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:3706
#48 0x00007f9d0dd86d6b in KApplication::notify (this=0xe580f0, receiver=0xfc5960, event=0x1e0f270) at /home/kde-devel/kdesvn/kdelibs/kdeui/kernel/kapplication.cpp:311
#49 0x00007f9d0d02d0cb in QCoreApplication::notifyInternal (this=0xe580f0, receiver=0xfc5960, event=0x1e0f270) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qcoreapplication.cpp:726
#50 0x00007f9d0d02f930 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xe474f0) at ../../include/QtCore/../../../../qt-copy/src/corelib/kernel/qcoreapplication.h:215
#51 0x00007f9d0d057bc3 in postEventSourceDispatch (s=<value optimized out>) at ../../include/QtCore/../../../../qt-copy/src/corelib/kernel/qcoreapplication.h:220
#52 0x00007f9d0573c20a in IA__g_main_context_dispatch (context=0xe7e120) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#53 0x00007f9d0573f8e0 in g_main_context_iterate (context=0xe7e120, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#54 0x00007f9d0573fa7c in IA__g_main_context_iteration (context=0xe7e120, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#55 0x00007f9d0d05771c in QEventDispatcherGlib::processEvents (this=0xe47120, flags=<value optimized out>) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qeventdispatcher_glib.cpp:412
#56 0x00007f9d0c241b5f in QGuiEventDispatcherGlib::processEvents (this=0x65007a00690000, flags=<value optimized out>) at /home/kde-devel/kdesvn/qt-copy/src/gui/kernel/qguieventdispatcher_glib.cpp:204
#57 0x00007f9d0d02b9b2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 976250400}) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qeventloop.cpp:149
#58 0x00007f9d0d02bd84 in QEventLoop::exec (this=0x7fff3a306660, flags={i = 976250480}) at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qeventloop.cpp:201
#59 0x00007f9d0d02fbc6 in QCoreApplication::exec () at /home/kde-devel/kdesvn/qt-copy/src/corelib/kernel/qcoreapplication.cpp:1003
#60 0x00007f9d11ea1b90 in kdemain (argc=1, argv=0x7fff3a306a28) at /home/kde-devel/kdesvn/kdebase/workspace/plasma/desktop/shell/main.cpp:118
#61 0x00007f9d0b23b5a6 in __libc_start_main (main=0x400970 <main>, argc=1, ubp_av=0x7fff3a306a28, init=0x4009a0 <__libc_csu_init>, fini=<value optimized out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fff3a306a18) at libc-start.c:220
#62 0x00000000004008a9 in _start () at ../sysdeps/x86_64/elf/start.S:113

Reported using DrKonqi