Application: plasma-netbook (0.2)
KDE Platform Version: 4.7.1 (4.7.1)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic i686
Distribution: Ubuntu 11.10

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

- Unusual behavior I noticed:
KtimeTracker error, Mail dispacher agent error

- Custom settings of the application:
Ubuntu Oneiric after update

The crash can be reproduced some of the time.

-- Backtrace:
Application: Shell do Plasma para Netbooks (plasma-netbook), signal: Segmentation fault
[Current thread is 1 (Thread 0xb76e7a20 (LWP 1572))]

Thread 4 (Thread 0xb04a6b70 (LWP 1604)):
#0  0x00a67f4f in pthread_mutex_unlock (mutex=0x8684314) at forward.c:184
#1  0x0545af1f in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x0545b8f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0545bc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x01441b37 in QEventDispatcherGlib::processEvents (this=0x86836f0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x014121dd in QEventLoop::processEvents (this=0xb04a62a0, flags=...) at kernel/qeventloop.cpp:149
#6  0x01412421 in QEventLoop::exec (this=0xb04a62a0, flags=...) at kernel/qeventloop.cpp:201
#7  0x0131590b in QThread::exec (this=0x831a6e8) at thread/qthread.cpp:498
#8  0x013f2e2d in QInotifyFileSystemWatcherEngine::run (this=0x831a6e8) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x013187b3 in QThreadPrivate::start (arg=0x831a6e8) at thread/qthread_unix.cpp:331
#10 0x00972d31 in start_thread (arg=0xb04a6b70) at pthread_create.c:304
#11 0x00a5a0ce 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 0xafca5b70 (LWP 1606)):
#0  __libc_disable_asynccancel (oldtype=<optimized out>) at ../nptl/cancellation.c:79
#1  0x00a4b420 in __GI___poll (fds=0x8697be8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:89
#2  0x0546a34b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0545b896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0545bc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x01441b37 in QEventDispatcherGlib::processEvents (this=0x8695c70, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x014121dd in QEventLoop::processEvents (this=0xafca52a0, flags=...) at kernel/qeventloop.cpp:149
#7  0x01412421 in QEventLoop::exec (this=0xafca52a0, flags=...) at kernel/qeventloop.cpp:201
#8  0x0131590b in QThread::exec (this=0x8687248) at thread/qthread.cpp:498
#9  0x013f2e2d in QInotifyFileSystemWatcherEngine::run (this=0x8687248) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x013187b3 in QThreadPrivate::start (arg=0x8687248) at thread/qthread_unix.cpp:331
#11 0x00972d31 in start_thread (arg=0xafca5b70) at pthread_create.c:304
#12 0x00a5a0ce 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 0xad6ffb70 (LWP 1722)):
#0  0x00a67f21 in pthread_mutex_unlock (mutex=0xad7014a4) at forward.c:184
#1  0x0545b565 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x0545bf9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x055d1cea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#4  0x054825f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x00972d31 in start_thread (arg=0xad6ffb70) at pthread_create.c:304
#6  0x00a5a0ce 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 0xb76e7a20 (LWP 1572)):
[KCrash Handler]
#7  data (this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:135
#8  qGetPtrHelper<QScopedPointer<QObjectData> > (p=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qglobal.h:2343
#9  d_func (this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:125
#10 get (o=<optimized out>) at kernel/qobject_p.h:170
#11 QMetaObject::changeGuard (ptr=0x8d0f398, o=0x8736558) at kernel/qobject.cpp:471
#12 0x06e23e5f in operator= (p=<optimized out>, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qpointer.h:68
#13 QGraphicsProxyWidgetPrivate::sendWidgetMouseEvent (this=0x8d0f240, event=0xbff33678) at graphicsview/qgraphicsproxywidget.cpp:284
#14 0x06e0580f in QGraphicsItem::sceneEvent (this=0x8d0f220, event=0xbff33678) at graphicsview/qgraphicsitem.cpp:6730
#15 0x06e62806 in QGraphicsWidget::sceneEvent (this=0x8d0f218, event=0xbff33678) at graphicsview/qgraphicswidget.cpp:1223
#16 0x06e2ec7e in sendEvent (event=0xbff33678, item=0x8d0f220, this=<optimized out>) at graphicsview/qgraphicsscene.cpp:1217
#17 QGraphicsScenePrivate::sendEvent (this=0x82d3648, item=0x8d0f220, event=0xbff33678) at graphicsview/qgraphicsscene.cpp:1193
#18 0x06e2f8ab in QGraphicsScenePrivate::sendMouseEvent (this=0x82d3648, mouseEvent=0xbff33678) at graphicsview/qgraphicsscene.cpp:1291
#19 0x06e302c7 in QGraphicsScene::mouseReleaseEvent (this=0x82dc7a0, mouseEvent=0xbff33678) at graphicsview/qgraphicsscene.cpp:4121
#20 0x06e3eaec in QGraphicsScene::event (this=0x82dc7a0, event=0xbff33678) at graphicsview/qgraphicsscene.cpp:3453
#21 0x067a3d54 in notify_helper (e=0xbff33678, receiver=0x82dc7a0, this=0x8222988) at kernel/qapplication.cpp:4486
#22 QApplicationPrivate::notify_helper (this=0x8222988, receiver=0x82dc7a0, e=0xbff33678) at kernel/qapplication.cpp:4458
#23 0x067a9103 in QApplication::notify (this=0xbff33678, receiver=0x82dc7a0, e=0xbff33678) at kernel/qapplication.cpp:3886
#24 0x0105b721 in KApplication::notify (this=0x82172c0, receiver=0x82dc7a0, event=0xbff33678) at ../../kdeui/kernel/kapplication.cpp:311
#25 0x0141319e in QCoreApplication::notifyInternal (this=0x82172c0, receiver=0x82dc7a0, event=0xbff33678) at kernel/qcoreapplication.cpp:787
#26 0x067a1b6d in sendSpontaneousEvent (event=0xbff33678, receiver=0x82dc7a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#27 qt_sendSpontaneousEvent (receiver=0x82dc7a0, event=0xbff33678) at kernel/qapplication.cpp:5480
#28 0x06e5d978 in QGraphicsView::mouseReleaseEvent (this=0x8cbab48, event=0xbff33c6c) at graphicsview/qgraphicsview.cpp:3336
#29 0x067fdf98 in QWidget::event (this=0x8cbab48, event=0xbff33c6c) at kernel/qwidget.cpp:8295
#30 0x06c03235 in QFrame::event (this=0x8cbab48, e=0xbff33c6c) at widgets/qframe.cpp:557
#31 0x06c957d1 in QAbstractScrollArea::viewportEvent (this=0x8cbab48, e=0xbff33c6c) at widgets/qabstractscrollarea.cpp:1043
#32 0x06e60cb4 in QGraphicsView::viewportEvent (this=0x8cbab48, event=0xbff33c6c) at graphicsview/qgraphicsview.cpp:2864
#33 0x06c97ee6 in viewportEvent (this=<optimized out>, event=0xbff33c6c) at widgets/qabstractscrollarea_p.h:100
#34 eventFilter (e=0xbff33c6c, this=<optimized out>, o=<optimized out>) at widgets/qabstractscrollarea_p.h:116
#35 QAbstractScrollAreaFilter::eventFilter (this=0x876d2b0, o=0x8cd37f0, e=0xbff33c6c) at widgets/qabstractscrollarea_p.h:115
#36 0x01413336 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8222988, receiver=0x8cd37f0, event=0xbff33c6c) at kernel/qcoreapplication.cpp:902
#37 0x067a3d22 in notify_helper (e=0xbff33c6c, receiver=0x8cd37f0, this=0x8222988) at kernel/qapplication.cpp:4482
#38 QApplicationPrivate::notify_helper (this=0x8222988, receiver=0x8cd37f0, e=0xbff33c6c) at kernel/qapplication.cpp:4458
#39 0x067a9dbb in QApplication::notify (this=0x8222988, receiver=0x8cd37f0, e=0xbff33c6c) at kernel/qapplication.cpp:4047
#40 0x0105b721 in KApplication::notify (this=0x82172c0, receiver=0x8cd37f0, event=0xbff33c6c) at ../../kdeui/kernel/kapplication.cpp:311
#41 0x0141319e in QCoreApplication::notifyInternal (this=0x82172c0, receiver=0x8cd37f0, event=0xbff33c6c) at kernel/qcoreapplication.cpp:787
#42 0x067a4d15 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#43 QApplicationPrivate::sendMouseEvent (receiver=0x8cd37f0, event=0xbff33c6c, alienWidget=0x8cd37f0, nativeWidget=0x8cbab48, buttonDown=0x710eeb4, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3146
#44 0x068312c4 in QETWidget::translateMouseEvent (this=0x8cbab48, event=0xbff340ec) at kernel/qapplication_x11.cpp:4568
#45 0x0682fe4d in QApplication::x11ProcessEvent (this=0x82172c0, event=0xbff340ec) at kernel/qapplication_x11.cpp:3690
#46 0x0685c24c in x11EventSourceDispatch (s=0x8225968, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#47 0x0545b25f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#48 0x0545b990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#49 0x0545bc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#50 0x01441ada in QEventDispatcherGlib::processEvents (this=0x81f7230, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#51 0x0685be3a in QGuiEventDispatcherGlib::processEvents (this=0x81f7230, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#52 0x014121dd in QEventLoop::processEvents (this=0xbff343f4, flags=...) at kernel/qeventloop.cpp:149
#53 0x01412421 in QEventLoop::exec (this=0xbff343f4, flags=...) at kernel/qeventloop.cpp:201
#54 0x0141719d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#55 0x067a18f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#56 0x00123079 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-netbook.so
#57 0x0804850b in ?? ()
#58 0x009a1113 in __libc_start_main (main=0x80484f0, argc=1, ubp_av=0xbff34644, init=0x80485e0 <__libc_csu_init>, fini=0x8048650 <__libc_csu_fini>, rtld_fini=0x442bc0, stack_end=0xbff3463c) at libc-start.c:226
#59 0x08048531 in _start ()

This bug may be a duplicate of or related to bug 275902.

Possible duplicates by query: bug 284119, bug 283697, bug 283482, bug 283463, bug 282321.

Reported using DrKonqi