Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.2.0-4-generic i686
Distribution: Ubuntu precise (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
Plasma crash when using Firefox & Thunderbird. Conf: ACER D531h + Kubuntu Precise 12.04 alpha1

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5c66720 (LWP 2464))]

Thread 8 (Thread 0xb4ab7b70 (LWP 2467)):
#0  0x0169fd10 in __GI_clock_gettime (clock_id=1, tp=0xb4ab6f78) at ../sysdeps/unix/clock_gettime.c:116
#1  0x06893565 in do_gettime (frac=0xb4ab6f70, sec=0xb4ab6f68) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x06966116 in QTimerInfoList::updateCurrentTime (this=0x968f334) at kernel/qeventdispatcher_unix.cpp:339
#4  0x0696646a in QTimerInfoList::timerWait (this=0x968f334, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x06964cb3 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xb4ab707c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x06964d4d in timerSourcePrepare (source=0x968f300, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x07135d12 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x0713651f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x07136771 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x06965797 in QEventDispatcherGlib::processEvents (this=0x95293e8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x06935fad in QEventLoop::processEvents (this=0xb4ab71f0, flags=...) at kernel/qeventloop.cpp:149
#12 0x069361f1 in QEventLoop::exec (this=0xb4ab71f0, flags=...) at kernel/qeventloop.cpp:201
#13 0x0683969b in QThread::exec (this=0x968e208) at thread/qthread.cpp:498
#14 0x06916bfd in QInotifyFileSystemWatcherEngine::run (this=0x968e208) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x0683c543 in QThreadPrivate::start (arg=0x968e208) at thread/qthread_unix.cpp:331
#16 0x0658b70c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#17 0x00000000 in ?? ()

Thread 7 (Thread 0xade4db70 (LWP 2470)):
#0  0x0717488f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0x071360a0 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x071365b2 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x07136771 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x06965797 in QEventDispatcherGlib::processEvents (this=0x999d1a0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x06935fad in QEventLoop::processEvents (this=0xade4d1f0, flags=...) at kernel/qeventloop.cpp:149
#6  0x069361f1 in QEventLoop::exec (this=0xade4d1f0, flags=...) at kernel/qeventloop.cpp:201
#7  0x0683969b in QThread::exec (this=0x9999cc0) at thread/qthread.cpp:498
#8  0x06916bfd in QInotifyFileSystemWatcherEngine::run (this=0x9999cc0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x0683c543 in QThreadPrivate::start (arg=0x9999cc0) at thread/qthread_unix.cpp:331
#10 0x0658b70c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00000000 in ?? ()

Thread 6 (Thread 0xab83bb70 (LWP 2480)):
#0  0x0092e252 in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x06589fbb in ?? () from /usr/lib/nvidia-current/libGL.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 5 (Thread 0xab03ab70 (LWP 3415)):
#0  0x00bba416 in __kernel_vsyscall ()
#1  0x08793a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x0094cd0c in __pthread_cond_wait (cond=0x9904768, mutex=0x9904750) at forward.c:139
#3  0x0683ca50 in wait (time=4294967295, this=0x9904750) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x99019e8, mutex=0x9888d70, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00166406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x99019d0, th=0xa8ac9c8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x00168ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x98a0940, th=0xa8ac9c8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0016603a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x99019d0, th=0xa8ac9c8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00168fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x98a0940, th=0xa8ac9c8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00165f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99019d0, th=0xa8ac9c8, previous=0x9dcd638) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00167b14 in ThreadWeaver::ThreadRunHelper::run (this=0xab03a254, parent=0x99019d0, th=0xa8ac9c8) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x00167bca in ThreadWeaver::Thread::run (this=0xa8ac9c8) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x0683c543 in QThreadPrivate::start (arg=0xa8ac9c8) at thread/qthread_unix.cpp:331
#13 0x0658b70c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#14 0x00000000 in ?? ()

Thread 4 (Thread 0xac83db70 (LWP 3416)):
#0  0x00bba416 in __kernel_vsyscall ()
#1  0x08793a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x0094cd0c in __pthread_cond_wait (cond=0x9904768, mutex=0x9904750) at forward.c:139
#3  0x0683ca50 in wait (time=4294967295, this=0x9904750) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x99019e8, mutex=0x9888d70, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00166406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x99019d0, th=0xa8db068) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x00168ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x98a0940, th=0xa8db068) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0016603a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x99019d0, th=0xa8db068) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00168fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x98a0940, th=0xa8db068) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00165f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99019d0, th=0xa8db068, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00168fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x98a0940, th=0xa8db068) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x00165f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99019d0, th=0xa8db068, previous=0x9c0d738) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x00167b14 in ThreadWeaver::ThreadRunHelper::run (this=0xac83d254, parent=0x99019d0, th=0xa8db068) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0x00167bca in ThreadWeaver::Thread::run (this=0xa8db068) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0x0683c543 in QThreadPrivate::start (arg=0xa8db068) at thread/qthread_unix.cpp:331
#15 0x0658b70c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#16 0x00000000 in ?? ()

Thread 3 (Thread 0xac03cb70 (LWP 3417)):
#0  0x00bba416 in __kernel_vsyscall ()
#1  0x08793a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x0094cd0c in __pthread_cond_wait (cond=0x9904768, mutex=0x9904750) at forward.c:139
#3  0x0683ca50 in wait (time=4294967295, this=0x9904750) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x99019e8, mutex=0x9888d70, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00166406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x99019d0, th=0xa8a60c8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x00168ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x98a0940, th=0xa8a60c8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0016603a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x99019d0, th=0xa8a60c8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00168fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x98a0940, th=0xa8a60c8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00165f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99019d0, th=0xa8a60c8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00168fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x98a0940, th=0xa8a60c8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x00165f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99019d0, th=0xa8a60c8, previous=0xa8a6738) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x00167b14 in ThreadWeaver::ThreadRunHelper::run (this=0xac03c254, parent=0x99019d0, th=0xa8a60c8) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0x00167bca in ThreadWeaver::Thread::run (this=0xa8a60c8) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0x0683c543 in QThreadPrivate::start (arg=0xa8a60c8) at thread/qthread_unix.cpp:331
#15 0x0658b70c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#16 0x00000000 in ?? ()

Thread 2 (Thread 0xaa087b70 (LWP 3418)):
#0  0x00bba416 in __kernel_vsyscall ()
#1  0x08793a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x0094cd0c in __pthread_cond_wait (cond=0x9904768, mutex=0x9904750) at forward.c:139
#3  0x0683ca50 in wait (time=4294967295, this=0x9904750) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x99019e8, mutex=0x9888d70, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00166406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x99019d0, th=0xaa701308) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x00168ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x98a0940, th=0xaa701308) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0016603a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x99019d0, th=0xaa701308) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00168fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x98a0940, th=0xaa701308) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00165f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99019d0, th=0xaa701308, previous=0xad726e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00167b14 in ThreadWeaver::ThreadRunHelper::run (this=0xaa087254, parent=0x99019d0, th=0xaa701308) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x00167bca in ThreadWeaver::Thread::run (this=0xaa701308) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x0683c543 in QThreadPrivate::start (arg=0xaa701308) at thread/qthread_unix.cpp:331
#13 0x0658b70c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#14 0x00000000 in ?? ()

Thread 1 (Thread 0xb5c66720 (LWP 2464)):
[KCrash Handler]
#7  isNull (this=0x22) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0x22) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=0xa606800) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0x08c02662 in WindowTaskItem::publishIconGeometry (this=0xa725768) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0x08c13688 in AbstractTaskItem::timerEvent (this=0xa725768, event=0xbfe601bc) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0x0694f5f4 in QObject::event (this=0xa725768, e=0xbfe601bc) at kernel/qobject.cpp:1181
#13 0x05f84ff4 in QGraphicsWidget::event (this=0xa725768, event=0xbfe601bc) at graphicsview/qgraphicswidget.cpp:1455
#14 0x058c60d4 in notify_helper (e=0xbfe601bc, receiver=0xa725768, this=0x9291e18) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x9291e18, receiver=0xa725768, e=0xbfe601bc) at kernel/qapplication.cpp:4458
#16 0x058cb483 in QApplication::notify (this=0xbfe601bc, receiver=0xa725768, e=0xbfe601bc) at kernel/qapplication.cpp:3886
#17 0x01111681 in KApplication::notify (this=0x9285438, receiver=0xa725768, event=0xbfe601bc) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x06936f6e in QCoreApplication::notifyInternal (this=0x9285438, receiver=0xa725768, event=0xbfe601bc) at kernel/qcoreapplication.cpp:787
#19 0x06967870 in sendEvent (event=0xbfe601bc, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x9291ff4) at kernel/qeventdispatcher_unix.cpp:603
#21 0x06964db5 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#22 idleTimerSourceDispatch (source=0x9295328) at kernel/qeventdispatcher_glib.cpp:231
#23 0x0713628a in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0x07136695 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0x07136771 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0x0696573a in QEventDispatcherGlib::processEvents (this=0x91fc218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#27 0x0597e1ba in QGuiEventDispatcherGlib::processEvents (this=0x91fc218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x06935fad in QEventLoop::processEvents (this=0xbfe60424, flags=...) at kernel/qeventloop.cpp:149
#29 0x069361f1 in QEventLoop::exec (this=0xbfe60424, flags=...) at kernel/qeventloop.cpp:201
#30 0x0693adfd in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#31 0x058c3c74 in QApplication::exec () at kernel/qapplication.cpp:3760
#32 0x001af18b in kdemain (argc=1, argv=0xbfe60624) at ../../../../plasma/desktop/shell/main.cpp:120
#33 0x0804850b in main (argc=1, argv=0xbfe60624) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 289169, bug 289073, bug 289064, bug 289025, bug 288954.

Reported using DrKonqi