Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.2.0-3-generic i686
Distribution: Ubuntu precise (development branch)

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

When closing  an email  under thunderbird 9.0, first error message that thunderbord doesnt respond and then plasma crashed. Conf: Kubuntu 12.04 alpha 1 updated dayly.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5cb4720 (LWP 2533))]

Thread 8 (Thread 0xb4b19b70 (LWP 2535)):
#0  0x05f98d10 in __GI_clock_gettime (clock_id=1, tp=0xb4b18f68) at ../sysdeps/unix/clock_gettime.c:116
#1  0x053bb565 in do_gettime (frac=0xb4b18f60, sec=0xb4b18f58) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x0548e116 in QTimerInfoList::updateCurrentTime (this=0xb4201abc) at kernel/qeventdispatcher_unix.cpp:339
#4  0x0548e46a in QTimerInfoList::timerWait (this=0xb4201abc, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x0548ccb3 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xb4b1906c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x0548cd4d in timerSourcePrepare (source=0xb4201a88, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x0221a86c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x0221b617 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x0221bc0a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x0548d797 in QEventDispatcherGlib::processEvents (this=0xb4200468, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x0545dfad in QEventLoop::processEvents (this=0xb4b191f0, flags=...) at kernel/qeventloop.cpp:149
#12 0x0545e1f1 in QEventLoop::exec (this=0xb4b191f0, flags=...) at kernel/qeventloop.cpp:201
#13 0x0536169b in QThread::exec (this=0x9732038) at thread/qthread.cpp:498
#14 0x0543ebfd in QInotifyFileSystemWatcherEngine::run (this=0x9732038) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x05364543 in QThreadPrivate::start (arg=0x9732038) at thread/qthread_unix.cpp:331
#16 0x024d170c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#17 0x00000000 in ?? ()

Thread 7 (Thread 0xadd96b70 (LWP 2537)):
#0  0x044f1985 in __pthread_getspecific (key=4) at pthread_getspecific.c:27
#1  0x021d3d83 in ?? () from /usr/lib/i386-linux-gnu/libgthread-2.0.so.0
#2  0x022436bc in g_thread_self () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0221bbf8 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0548d797 in QEventDispatcherGlib::processEvents (this=0x9a02c48, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x0545dfad in QEventLoop::processEvents (this=0xadd961f0, flags=...) at kernel/qeventloop.cpp:149
#6  0x0545e1f1 in QEventLoop::exec (this=0xadd961f0, flags=...) at kernel/qeventloop.cpp:201
#7  0x0536169b in QThread::exec (this=0x97008c8) at thread/qthread.cpp:498
#8  0x0543ebfd in QInotifyFileSystemWatcherEngine::run (this=0x97008c8) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x05364543 in QThreadPrivate::start (arg=0x97008c8) at thread/qthread_unix.cpp:331
#10 0x024d170c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00000000 in ?? ()

Thread 6 (Thread 0xab784b70 (LWP 2549)):
#0  0x0051d416 in __kernel_vsyscall ()
#1  0x001d33ee in __GI___poll (fds=0x9e7e588, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x0222a32b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0221b876 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0221bf7b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x04ec8dba in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x022425d4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x024d170c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#8  0x00000000 in ?? ()

Thread 5 (Thread 0xaaf83b70 (LWP 4239)):
#0  0x0051d416 in __kernel_vsyscall ()
#1  0x044f0a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x001efd0c in __pthread_cond_wait (cond=0x9979738, mutex=0x9979720) at forward.c:139
#3  0x05364a50 in wait (time=4294967295, this=0x9979720) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9939410, mutex=0x9911b78, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00880406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x99393f8, th=0xa324e00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x00882ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9911e88, th=0xa324e00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0088003a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x99393f8, th=0xa324e00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00882fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x9911e88, th=0xa324e00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0087ff93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99393f8, th=0xa324e00, previous=0xa937508) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00881b14 in ThreadWeaver::ThreadRunHelper::run (this=0xaaf83254, parent=0x99393f8, th=0xa324e00) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x00881bca in ThreadWeaver::Thread::run (this=0xa324e00) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x05364543 in QThreadPrivate::start (arg=0xa324e00) at thread/qthread_unix.cpp:331
#13 0x024d170c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#14 0x00000000 in ?? ()

Thread 4 (Thread 0xac786b70 (LWP 4240)):
#0  0x0051d416 in __kernel_vsyscall ()
#1  0x044f0a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x001efd0c in __pthread_cond_wait (cond=0x9979738, mutex=0x9979720) at forward.c:139
#3  0x05364a50 in wait (time=4294967295, this=0x9979720) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9939410, mutex=0x9911b78, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00880406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x99393f8, th=0xb422d828) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x00882ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9911e88, th=0xb422d828) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0088003a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x99393f8, th=0xb422d828) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00882fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x9911e88, th=0xb422d828) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0087ff93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99393f8, th=0xb422d828, previous=0xa8f80a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00881b14 in ThreadWeaver::ThreadRunHelper::run (this=0xac786254, parent=0x99393f8, th=0xb422d828) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x00881bca in ThreadWeaver::Thread::run (this=0xb422d828) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x05364543 in QThreadPrivate::start (arg=0xb422d828) at thread/qthread_unix.cpp:331
#13 0x024d170c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#14 0x00000000 in ?? ()

Thread 3 (Thread 0xabf85b70 (LWP 4241)):
#0  0x0051d416 in __kernel_vsyscall ()
#1  0x044f0a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x001efd0c in __pthread_cond_wait (cond=0x9979738, mutex=0x9979720) at forward.c:139
#3  0x05364a50 in wait (time=4294967295, this=0x9979720) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9939410, mutex=0x9911b78, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00880406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x99393f8, th=0xa1b0968) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x00882ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9911e88, th=0xa1b0968) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0088003a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x99393f8, th=0xa1b0968) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00882fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x9911e88, th=0xa1b0968) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0087ff93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99393f8, th=0xa1b0968, previous=0xa8f8550) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00881b14 in ThreadWeaver::ThreadRunHelper::run (this=0xabf85254, parent=0x99393f8, th=0xa1b0968) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x00881bca in ThreadWeaver::Thread::run (this=0xa1b0968) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x05364543 in QThreadPrivate::start (arg=0xa1b0968) at thread/qthread_unix.cpp:331
#13 0x024d170c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#14 0x00000000 in ?? ()

Thread 2 (Thread 0xa9f4cb70 (LWP 4242)):
#0  0x0051d416 in __kernel_vsyscall ()
#1  0x044f0a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x001efd0c in __pthread_cond_wait (cond=0x9979738, mutex=0x9979720) at forward.c:139
#3  0x05364a50 in wait (time=4294967295, this=0x9979720) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9939410, mutex=0x9911b78, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00880406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x99393f8, th=0xa7457d8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x00882ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9911e88, th=0xa7457d8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0088003a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x99393f8, th=0xa7457d8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00882fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x9911e88, th=0xa7457d8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0087ff93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99393f8, th=0xa7457d8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00882fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9911e88, th=0xa7457d8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x0087ff93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99393f8, th=0xa7457d8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x00882fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9911e88, th=0xa7457d8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0x0087ff93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99393f8, th=0xa7457d8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0x00882fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9911e88, th=0xa7457d8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#15 0x0087ff93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99393f8, th=0xa7457d8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#16 0x00882fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9911e88, th=0xa7457d8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#17 0x0087ff93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99393f8, th=0xa7457d8, previous=0xa4373a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#18 0x00881b14 in ThreadWeaver::ThreadRunHelper::run (this=0xa9f4c254, parent=0x99393f8, th=0xa7457d8) at ../../../threadweaver/Weaver/Thread.cpp:87
#19 0x00881bca in ThreadWeaver::Thread::run (this=0xa7457d8) at ../../../threadweaver/Weaver/Thread.cpp:142
#20 0x05364543 in QThreadPrivate::start (arg=0xa7457d8) at thread/qthread_unix.cpp:331
#21 0x024d170c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#22 0x00000000 in ?? ()

Thread 1 (Thread 0xb5cb4720 (LWP 2533)):
[KCrash Handler]
#7  isNull (this=0xc) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0xc) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=0xa495360) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0x039cb662 in WindowTaskItem::publishIconGeometry (this=0xa986c50) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0x039dc688 in AbstractTaskItem::timerEvent (this=0xa986c50, event=0xbf86f2bc) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0x054775f4 in QObject::event (this=0xa986c50, e=0xbf86f2bc) at kernel/qobject.cpp:1181
#13 0x01972ff4 in QGraphicsWidget::event (this=0xa986c50, event=0xbf86f2bc) at graphicsview/qgraphicswidget.cpp:1455
#14 0x012b40d4 in notify_helper (e=0xbf86f2bc, receiver=0xa986c50, this=0x92e90a0) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x92e90a0, receiver=0xa986c50, e=0xbf86f2bc) at kernel/qapplication.cpp:4458
#16 0x012b9483 in QApplication::notify (this=0xbf86f2bc, receiver=0xa986c50, e=0xbf86f2bc) at kernel/qapplication.cpp:3886
#17 0x00f2f681 in KApplication::notify (this=0x92dd248, receiver=0xa986c50, event=0xbf86f2bc) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x0545ef6e in QCoreApplication::notifyInternal (this=0x92dd248, receiver=0xa986c50, event=0xbf86f2bc) at kernel/qcoreapplication.cpp:787
#19 0x0548f870 in sendEvent (event=0xbf86f2bc, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x92edbcc) at kernel/qeventdispatcher_unix.cpp:603
#21 0x0548cd82 in timerSourceDispatch (source=0x92edb98) at kernel/qeventdispatcher_glib.cpp:184
#22 0x0221b23f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0x0221b970 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0x0221bc0a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0x0548d73a in QEventDispatcherGlib::processEvents (this=0x9254218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#26 0x0136c1ba in QGuiEventDispatcherGlib::processEvents (this=0x9254218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x0545dfad in QEventLoop::processEvents (this=0xbf86f534, flags=...) at kernel/qeventloop.cpp:149
#28 0x0545e1f1 in QEventLoop::exec (this=0xbf86f534, flags=...) at kernel/qeventloop.cpp:201
#29 0x05462dfd in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0x012b1c74 in QApplication::exec () at kernel/qapplication.cpp:3760
#31 0x00c9818b in kdemain (argc=1, argv=0xbf86f734) at ../../../../plasma/desktop/shell/main.cpp:120
#32 0x0804850b in main (argc=1, argv=0xbf86f734) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 288343, bug 288295, bug 288262, bug 288260, bug 288181.

Reported using DrKonqi