Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.1 (KDE 4.4.1)
Qt Version: 4.6.2
Operating System: Linux 2.6.31-20-generic x86_64
Distribution: Ubuntu 9.10

-- Information about the crash:
After upgraded to KDE 4.4.1 on Kubuntu 9.10 plasma crashes upon login. 

The crash can be reproduced every time.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[KCrash Handler]
#5  0x00007f15a4bf7b17 in Plasma::Wallpaper::setUsingRenderingCache (this=0x1ed7510, useCache=<value optimized out>) at ../../plasma/wallpaper.cpp:351
#6  0x00007f158c555dad in ?? () from /usr/lib/kde4/plasma_wallpaper_image.so
#7  0x00007f15a4bf79ad in Plasma::Wallpaper::restore (this=0x1ed7510, config=...) at ../../plasma/wallpaper.cpp:264
#8  0x00007f15a4b304c3 in Plasma::Applet::paint (this=0x1e42010, painter=0x7fff10153b20, option=0x19fd028, widget=<value optimized out>) at ../../plasma/applet.cpp:1346
#9  0x00007f15ac344a7a in _q_paintItem (item=<value optimized out>, painter=0x7fff10153b20, option=0x19fd028, widget=0x2459a30, useWindowOpacity=<value optimized out>, 
    painterStateProtection=<value optimized out>) at graphicsview/qgraphicsscene.cpp:4243
#10 0x00007f15ac357784 in QGraphicsScenePrivate::drawItemHelper (this=<value optimized out>, item=0x1e42020, painter=0x7fff10153b20, option=0x19fd028, widget=0x2459a30, painterStateProtection=true)
    at graphicsview/qgraphicsscene.cpp:4311
#11 0x00007f15ac359865 in QGraphicsScenePrivate::draw (this=<value optimized out>, item=0x1e42020, painter=0x7fff10153b20, viewTransform=<value optimized out>, transformPtr=<value optimized out>, 
    exposedRegion=<value optimized out>, widget=0x2459a30, opacity=<value optimized out>, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true)
    at graphicsview/qgraphicsscene.cpp:4827
#12 0x00007f15ac35a4c2 in QGraphicsScenePrivate::drawSubtreeRecursive (this=<value optimized out>, item=0x1e42020, painter=0x7fff10153b20, viewTransform=0x7fff101538d0, exposedRegion=0x2460e60, 
    widget=0x2459a30, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4749
#13 0x00007f15ac35ae64 in QGraphicsScenePrivate::drawItems (this=0x19fcdd0, painter=0x7fff10153b20, viewTransform=0x7fff101538d0, exposedRegion=0x2460e60, widget=0x2459a30)
    at graphicsview/qgraphicsscene.cpp:4619
#14 0x00007f15ac37a265 in QGraphicsView::paintEvent (this=0x2460800, event=<value optimized out>) at graphicsview/qgraphicsview.cpp:3393
#15 0x00007f15abd8f0e2 in QWidget::event (this=0x2460800, event=0x7fff10154450) at kernel/qwidget.cpp:8144
#16 0x00007f15ac135956 in QFrame::event (this=0x2460800, e=0x7fff10154450) at widgets/qframe.cpp:557
#17 0x00007f15ac3755db in QGraphicsView::viewportEvent (this=0x2460800, event=0x7fff10154450) at graphicsview/qgraphicsview.cpp:2787
#18 0x00007f15acb9a227 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x2459a30, event=0x7fff10154450) at kernel/qcoreapplication.cpp:819
#19 0x00007f15abd390fc in QApplicationPrivate::notify_helper (this=0x1954c50, receiver=0x2459a30, e=0x7fff10154450) at kernel/qapplication.cpp:4296
#20 0x00007f15abd3f71b in QApplication::notify (this=0x193ebf0, receiver=0x2459a30, e=0x7fff10154450) at kernel/qapplication.cpp:4183
#21 0x00007f15ad0e2d76 in KApplication::notify (this=0x193ebf0, receiver=0x2459a30, event=0x7fff10154450) at ../../kdeui/kernel/kapplication.cpp:302
#22 0x00007f15acb9ae0c in QCoreApplication::notifyInternal (this=0x193ebf0, receiver=0x2459a30, event=0x7fff10154450) at kernel/qcoreapplication.cpp:704
#23 0x00007f15abd9775d in QCoreApplication::sendSpontaneousEvent (this=0x2459af0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x23ff370) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#24 QWidgetPrivate::drawWidget (this=0x2459af0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, backingStore=0x23ff370)
    at kernel/qwidget.cpp:5339
#25 0x00007f15abd983f8 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=2, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0x23ff370) at kernel/qwidget.cpp:5452
#26 0x00007f15abd974ba in QWidgetPrivate::drawWidget (this=0x24609a0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x23ff370) at kernel/qwidget.cpp:5388
#27 0x00007f15abf50c95 in QWidgetBackingStore::sync (this=0x23ff370) at painting/qbackingstore.cpp:1291
#28 0x00007f15abd89050 in QWidgetPrivate::syncBackingStore (this=0x24609a0) at kernel/qwidget.cpp:1672
#29 0x00007f15abdb2fa8 in QETWidget::translateConfigEvent (this=0x2460800, event=<value optimized out>) at kernel/qapplication_x11.cpp:5252
#30 0x00007f15abdbd99a in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff10155a00) at kernel/qapplication_x11.cpp:3406
#31 0x00007f15abde9322 in x11EventSourceDispatch (s=0x19582b0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#32 0x00007f15a7da5bce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#33 0x00007f15a7da9598 in ?? () from /lib/libglib-2.0.so.0
#34 0x00007f15a7da96c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#35 0x00007f15acbc4333 in QEventDispatcherGlib::processEvents (this=0x18d47f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#36 0x00007f15abde8f0e in QGuiEventDispatcherGlib::processEvents (this=0x1ed7510, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007f15acb99732 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#38 0x00007f15acb99b0c in QEventLoop::exec (this=0x7fff10155d30, flags=) at kernel/qeventloop.cpp:201
#39 0x00007f15acb9d84b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#40 0x00007f15a042a59f in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#41 0x0000000000406fb8 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a499 "0") at ../../kinit/kinit.cpp:717
#42 0x0000000000407c70 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#43 0x0000000000408121 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1402
#44 0x0000000000408df2 in main (argc=2, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1841

Possible duplicates by query: bug 230054, bug 229519, bug 228517, bug 228397, bug 227701.

Reported using DrKonqi