Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic-pae i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed: simultaneously, sending email (kmail) and kwallet window popup

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb0322720 (LWP 1688))]

Thread 2 (Thread 0xa9902b70 (LWP 1689)):
#0  0xb3061d10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0xb644d7d5 in do_gettime (frac=0xa9901f60, sec=0xa9901f58) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb65204b6 in QTimerInfoList::updateCurrentTime (this=0x9d281b4) at kernel/qeventdispatcher_unix.cpp:339
#4  0xb652080a in QTimerInfoList::timerWait (this=0x9d281b4, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0xb651f053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xa990206c) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb651f0ed in timerSourcePrepare (source=0x9d28180, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb2fa688c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb2fa7637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb2fa7c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb651fb37 in QEventDispatcherGlib::processEvents (this=0x9d26ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0xb64f01dd in QEventLoop::processEvents (this=0xa99021f0, flags=...) at kernel/qeventloop.cpp:149
#12 0xb64f0421 in QEventLoop::exec (this=0xa99021f0, flags=...) at kernel/qeventloop.cpp:201
#13 0xb63f390b in QThread::exec (this=0x9d25180) at thread/qthread.cpp:498
#14 0xb64d0e2d in QInotifyFileSystemWatcherEngine::run (this=0x9d25180) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb63f67b3 in QThreadPrivate::start (arg=0x9d25180) at thread/qthread_unix.cpp:331
#16 0xb2710a9c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#17 0x00000000 in ?? ()

Thread 1 (Thread 0xb0322720 (LWP 1688)):
[KCrash Handler]
#7  isNull (this=0x20) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0x20) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=0xb871110) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0xaecfe662 in WindowTaskItem::publishIconGeometry (this=0xb1b13e8) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0xaed0f688 in AbstractTaskItem::timerEvent (this=0xb1b13e8, event=0xbf8049ec) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0xb6509994 in QObject::event (this=0xb1b13e8, e=0xbf8049ec) at kernel/qobject.cpp:1181
#13 0xb60dbbd4 in QGraphicsWidget::event (this=0xb1b13e8, event=0xbf8049ec) at graphicsview/qgraphicswidget.cpp:1455
#14 0xb5a1cd54 in notify_helper (e=0xbf8049ec, receiver=0xb1b13e8, this=0x96119b0) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x96119b0, receiver=0xb1b13e8, e=0xbf8049ec) at kernel/qapplication.cpp:4458
#16 0xb5a22103 in QApplication::notify (this=0xbf8049ec, receiver=0xb1b13e8, e=0xbf8049ec) at kernel/qapplication.cpp:3886
#17 0xb6b56681 in KApplication::notify (this=0x9600000, receiver=0xb1b13e8, event=0xbf8049ec) at ../../kdeui/kernel/kapplication.cpp:311
#18 0xb64f119e in QCoreApplication::notifyInternal (this=0x9600000, receiver=0xb1b13e8, event=0xbf8049ec) at kernel/qcoreapplication.cpp:787
#19 0xb6521c10 in sendEvent (event=0xbf8049ec, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x9613d04) at kernel/qeventdispatcher_unix.cpp:603
#21 0xb651f122 in timerSourceDispatch (source=0x9613cd0) at kernel/qeventdispatcher_glib.cpp:184
#22 0xb2fa725f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0xb2fa7990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0xb2fa7c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0xb651fada in QEventDispatcherGlib::processEvents (this=0x9571230, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#26 0xb5ad4e3a in QGuiEventDispatcherGlib::processEvents (this=0x9571230, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0xb64f01dd in QEventLoop::processEvents (this=0xbf804c64, flags=...) at kernel/qeventloop.cpp:149
#28 0xb64f0421 in QEventLoop::exec (this=0xbf804c64, flags=...) at kernel/qeventloop.cpp:201
#29 0xb64f519d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0xb5a1a8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#31 0xb77cc18b in kdemain (argc=1, argv=0xbf804e64) at ../../../../plasma/desktop/shell/main.cpp:120
#32 0x0804850b in main (argc=1, argv=0xbf804e64) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 272495.

Possible duplicates by query: bug 290364, bug 290336, bug 290300, bug 290291, bug 290289.

Reported using DrKonqi