Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic i686
Distribution: Ubuntu 11.10

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

I was just updating Oneric Ubuntu and surfing with firefox.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb76f6940 (LWP 2502))]

Thread 4 (Thread 0xb657eb70 (LWP 2509)):
#0  0x0807dd10 in __GI_clock_gettime (clock_id=1, tp=0xb657e018) at ../sysdeps/unix/clock_gettime.c:116
#1  0x039527d5 in do_gettime (frac=0xb657e010, sec=0xb657e008) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x03a254b6 in QTimerInfoList::updateCurrentTime (this=0xa31fa6c) at kernel/qeventdispatcher_unix.cpp:339
#4  0x03a2580a in QTimerInfoList::timerWait (this=0xa31fa6c, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x03a24053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xb657e11c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x03a240ed in timerSourcePrepare (source=0xa31fa38, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x0952e88c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x0952f637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x0952fc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x03a24b37 in QEventDispatcherGlib::processEvents (this=0xa20e948, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x039f51dd in QEventLoop::processEvents (this=0xb657e2a0, flags=...) at kernel/qeventloop.cpp:149
#12 0x039f5421 in QEventLoop::exec (this=0xb657e2a0, flags=...) at kernel/qeventloop.cpp:201
#13 0x038f890b in QThread::exec (this=0xa1e91c8) at thread/qthread.cpp:498
#14 0x039d5e2d in QInotifyFileSystemWatcherEngine::run (this=0xa1e91c8) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x038fb7b3 in QThreadPrivate::start (arg=0xa1e91c8) at thread/qthread_unix.cpp:331
#16 0x02f60d31 in start_thread (arg=0xb657eb70) at pthread_create.c:304
#17 0x002600ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xafb15b70 (LWP 2510)):
#0  __libc_disable_asynccancel (oldtype=<optimized out>) at ../nptl/cancellation.c:79
#1  0x00251420 in __GI___poll (fds=0xa68ced8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:89
#2  0x0953e34b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0952f896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0952fc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x03a24b37 in QEventDispatcherGlib::processEvents (this=0xa689860, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x039f51dd in QEventLoop::processEvents (this=0xafb152a0, flags=...) at kernel/qeventloop.cpp:149
#7  0x039f5421 in QEventLoop::exec (this=0xafb152a0, flags=...) at kernel/qeventloop.cpp:201
#8  0x038f890b in QThread::exec (this=0xa5b7068) at thread/qthread.cpp:498
#9  0x039d5e2d in QInotifyFileSystemWatcherEngine::run (this=0xa5b7068) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x038fb7b3 in QThreadPrivate::start (arg=0xa5b7068) at thread/qthread_unix.cpp:331
#11 0x02f60d31 in start_thread (arg=0xafb15b70) at pthread_create.c:304
#12 0x002600ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xae2f0b70 (LWP 2519)):
#0  0x00823416 in __kernel_vsyscall ()
#1  0x0025140e in __GI___poll (fds=0xa771c50, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x0953e34b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0952f896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0952ff9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x093f1cea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x095565f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x02f60d31 in start_thread (arg=0xae2f0b70) at pthread_create.c:304
#8  0x002600ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb76f6940 (LWP 2502)):
[KCrash Handler]
#7  operator== (value=0, this=0x9) at /usr/include/qt4/QtCore/qbasicatomic.h:70
#8  isNull (this=0xade2af0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#9  operator! (this=0xade2af0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#10 TaskManager::TaskItem::task (this=0xa5a9158) at ../../../libs/taskmanager/taskitem.cpp:113
#11 0x04410662 in WindowTaskItem::publishIconGeometry (this=0xab14f28) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#12 0x04421688 in AbstractTaskItem::timerEvent (this=0xab14f28, event=0xbfaf10dc) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#13 0x03a0e994 in QObject::event (this=0xab14f28, e=0xbfaf10dc) at kernel/qobject.cpp:1181
#14 0x057a9bd4 in QGraphicsWidget::event (this=0xab14f28, event=0xbfaf10dc) at graphicsview/qgraphicswidget.cpp:1455
#15 0x050ead54 in notify_helper (e=0xbfaf10dc, receiver=0xab14f28, this=0x9e134c8) at kernel/qapplication.cpp:4486
#16 QApplicationPrivate::notify_helper (this=0x9e134c8, receiver=0xab14f28, e=0xbfaf10dc) at kernel/qapplication.cpp:4458
#17 0x050f0103 in QApplication::notify (this=0xbfaf10dc, receiver=0xab14f28, e=0xbfaf10dc) at kernel/qapplication.cpp:3886
#18 0x00efa681 in KApplication::notify (this=0x9e06ea0, receiver=0xab14f28, event=0xbfaf10dc) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x039f619e in QCoreApplication::notifyInternal (this=0x9e06ea0, receiver=0xab14f28, event=0xbfaf10dc) at kernel/qcoreapplication.cpp:787
#20 0x03a26c10 in sendEvent (event=0xbfaf10dc, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#21 QTimerInfoList::activateTimers (this=0x9e18d3c) at kernel/qeventdispatcher_unix.cpp:603
#22 0x03a24155 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#23 idleTimerSourceDispatch (source=0x9e18d70) at kernel/qeventdispatcher_glib.cpp:231
#24 0x0952f25f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0x0952f990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0x0952fc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0x03a24ada in QEventDispatcherGlib::processEvents (this=0x9dc1218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#28 0x051a2e3a in QGuiEventDispatcherGlib::processEvents (this=0x9dc1218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x039f51dd in QEventLoop::processEvents (this=0xbfaf1354, flags=...) at kernel/qeventloop.cpp:149
#30 0x039f5421 in QEventLoop::exec (this=0xbfaf1354, flags=...) at kernel/qeventloop.cpp:201
#31 0x039fa19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#32 0x050e88f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#33 0x0014518b in kdemain (argc=1, argv=0xbfaf1554) at ../../../../plasma/desktop/shell/main.cpp:120
#34 0x0804850b in main (argc=1, argv=0xbfaf1554) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 292253, bug 292063, bug 292043, bug 292002, bug 291974.

Reported using DrKonqi