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

-- Information about the crash:
- What I was doing when the application crashed:
Just finished creating new user accound, applied, then crash of panel

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7741b20 (LWP 1472))]

Thread 4 (Thread 0xb1810b70 (LWP 1501)):
#0  0x00f00416 in __kernel_vsyscall ()
#1  0x001d340e in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x036c334b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x036b4896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x036b4c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x015cab37 in QEventDispatcherGlib::processEvents (this=0x9b14d28, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x0159b1dd in QEventLoop::processEvents (this=0xb18102a0, flags=...) at kernel/qeventloop.cpp:149
#7  0x0159b421 in QEventLoop::exec (this=0xb18102a0, flags=...) at kernel/qeventloop.cpp:201
#8  0x0149e90b in QThread::exec (this=0x9b5ba50) at thread/qthread.cpp:498
#9  0x0157be2d in QInotifyFileSystemWatcherEngine::run (this=0x9b5ba50) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x014a17b3 in QThreadPrivate::start (arg=0x9b5ba50) at thread/qthread_unix.cpp:331
#11 0x04c90d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x001e20ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xaf40fb70 (LWP 1569)):
#0  0x04c92dbd in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x001eff14 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0x036b3b9b in g_main_context_query () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x036b4664 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x036b4f9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x05baecea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x036db5f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x04c90d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x001e20ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xaddcdb70 (LWP 1596)):
#0  0x00ef8d10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x014f87d5 in do_gettime (frac=0xaddcd010, sec=0xaddcd008) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x015cb4b6 in QTimerInfoList::updateCurrentTime (this=0x9c1bab4) at kernel/qeventdispatcher_unix.cpp:339
#4  0x015cb80a in QTimerInfoList::timerWait (this=0x9c1bab4, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x015ca053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xaddcd11c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x015ca0ed in timerSourcePrepare (source=0x9c1ba80, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x036b388c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x036b4637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x036b4c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x015cab37 in QEventDispatcherGlib::processEvents (this=0x95ab408, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x0159b1dd in QEventLoop::processEvents (this=0xaddcd2a0, flags=...) at kernel/qeventloop.cpp:149
#12 0x0159b421 in QEventLoop::exec (this=0xaddcd2a0, flags=...) at kernel/qeventloop.cpp:201
#13 0x0149e90b in QThread::exec (this=0x9b48eb0) at thread/qthread.cpp:498
#14 0x0157be2d in QInotifyFileSystemWatcherEngine::run (this=0x9b48eb0) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x014a17b3 in QThreadPrivate::start (arg=0x9b48eb0) at thread/qthread_unix.cpp:331
#16 0x04c90d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x001e20ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb7741b20 (LWP 1472)):
[KCrash Handler]
#7  isNull (this=0x4) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0x4) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=0xacef6a0) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0x06f7e662 in WindowTaskItem::publishIconGeometry (this=0xacef3e0) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0x06f8f688 in AbstractTaskItem::timerEvent (this=0xacef3e0, event=0xbf9a5d3c) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0x015b4994 in QObject::event (this=0xacef3e0, e=0xbf9a5d3c) at kernel/qobject.cpp:1181
#13 0x0476dc24 in QGraphicsWidget::event (this=0xacef3e0, event=0xbf9a5d3c) at graphicsview/qgraphicswidget.cpp:1455
#14 0x040aed84 in notify_helper (e=0xbf9a5d3c, receiver=0xacef3e0, this=0x950e718) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x950e718, receiver=0xacef3e0, e=0xbf9a5d3c) at kernel/qapplication.cpp:4458
#16 0x040b4133 in QApplication::notify (this=0xbf9a5d3c, receiver=0xacef3e0, e=0xbf9a5d3c) at kernel/qapplication.cpp:3886
#17 0x011e3971 in KApplication::notify (this=0x9519830, receiver=0xacef3e0, event=0xbf9a5d3c) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x0159c19e in QCoreApplication::notifyInternal (this=0x9519830, receiver=0xacef3e0, event=0xbf9a5d3c) at kernel/qcoreapplication.cpp:787
#19 0x015ccc10 in sendEvent (event=0xbf9a5d3c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x950e4a4) at kernel/qeventdispatcher_unix.cpp:603
#21 0x015ca155 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#22 idleTimerSourceDispatch (source=0x950e4d8) at kernel/qeventdispatcher_glib.cpp:231
#23 0x036b425f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0x036b4990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0x036b4c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0x015caada in QEventDispatcherGlib::processEvents (this=0x94ce218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#27 0x04166e7a in QGuiEventDispatcherGlib::processEvents (this=0x94ce218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x0159b1dd in QEventLoop::processEvents (this=0xbf9a5fb4, flags=...) at kernel/qeventloop.cpp:149
#29 0x0159b421 in QEventLoop::exec (this=0xbf9a5fb4, flags=...) at kernel/qeventloop.cpp:201
#30 0x015a019d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#31 0x040ac924 in QApplication::exec () at kernel/qapplication.cpp:3760
#32 0x00c0f18b in kdemain (argc=1, argv=0xbf9a61b4) at ../../../../plasma/desktop/shell/main.cpp:120
#33 0x0804850b in main (argc=1, argv=0xbf9a61b4) at plasma-desktop_dummy.cpp:3

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

Possible duplicates by query: bug 292417, bug 292361, bug 292341, bug 292310, bug 292271.

Reported using DrKonqi