Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.3 (4.8.3)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic i686
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed: I was checking how to modify my panels but sometimes it crashed

- Unusual behavior I noticed: I don't notice something weird on the aplicattion 

- Custom settings of the application: nothing

The crash can be reproduced some of the time.

-- Backtrace:
Application: Shell de escritorio Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb5b16a40 (LWP 2350))]

Thread 8 (Thread 0xae60ab40 (LWP 2352)):
#0  0x00c36dcd in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x07df4315 in do_gettime (frac=0xae609f00, sec=0xae609ef8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x07ede226 in QTimerInfoList::updateCurrentTime (this=0xadd0207c) at kernel/qeventdispatcher_unix.cpp:343
#4  0x07ede57a in QTimerInfoList::timerWait (this=0xadd0207c, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0x07edce23 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xae60a00c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x07edcebd in timerSourcePrepare (source=0xadd02048, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x06d29762 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x06d29f6f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x06d2a1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x07edd8e7 in QEventDispatcherGlib::processEvents (this=0xadd00480, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0x07ea950d in QEventLoop::processEvents (this=0xae60a190, flags=...) at kernel/qeventloop.cpp:149
#12 0x07ea97a9 in QEventLoop::exec (this=0xae60a190, flags=...) at kernel/qeventloop.cpp:204
#13 0x07d9294c in QThread::exec (this=0x9632018) at thread/qthread.cpp:501
#14 0x07e86b5d in QInotifyFileSystemWatcherEngine::run (this=0x9632018) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x07d95de0 in QThreadPrivate::start (arg=0x9632018) at thread/qthread_unix.cpp:298
#16 0x035b0a11 in ?? () from /usr/lib/nvidia-current/libGL.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 7 (Thread 0xac5d2b40 (LWP 2355)):
#0  0x00f13416 in __kernel_vsyscall ()
#1  0x001ea17b in read () from /lib/i386-linux-gnu/libc.so.6
#2  0x035ad72b in ?? () from /usr/lib/nvidia-current/libGL.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 6 (Thread 0xab457b40 (LWP 2359)):
#0  0x00f13416 in __kernel_vsyscall ()
#1  0x0767596b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002083dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x03928029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0x0392806f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0x035b0a11 in ?? () from /usr/lib/nvidia-current/libGL.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 5 (Thread 0xa9d56b40 (LWP 3178)):
#0  0x00f13416 in __kernel_vsyscall ()
#1  0x0767596b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002083dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x07d96350 in wait (time=4294967295, this=0x9762ee0) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x97616e8, mutex=0x96daf18, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x00babacc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x97616d0, th=0xaa11050) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x00bae95b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x974ded8, th=0xaa11050) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x00bab63a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x97616d0, th=0xaa11050) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00baea5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x974ded8, th=0xaa11050) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00bab533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x97616d0, th=0xaa11050, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00baea78 in ThreadWeaver::WorkingHardState::applyForWork (this=0x974ded8, th=0xaa11050) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x00bab533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x97616d0, th=0xaa11050, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x00baea78 in ThreadWeaver::WorkingHardState::applyForWork (this=0x974ded8, th=0xaa11050) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0x00bab533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x97616d0, th=0xaa11050, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0x00baea78 in ThreadWeaver::WorkingHardState::applyForWork (this=0x974ded8, th=0xaa11050) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#15 0x00bab533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x97616d0, th=0xaa11050, previous=0xa8f3850) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#16 0x00bad4e4 in ThreadWeaver::ThreadRunHelper::run (this=0xa9d561f4, parent=0x97616d0, th=0xaa11050) at ../../../threadweaver/Weaver/Thread.cpp:87
#17 0x00bad59a in ThreadWeaver::Thread::run (this=0xaa11050) at ../../../threadweaver/Weaver/Thread.cpp:142
#18 0x07d95de0 in QThreadPrivate::start (arg=0xaa11050) at thread/qthread_unix.cpp:298
#19 0x035b0a11 in ?? () from /usr/lib/nvidia-current/libGL.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 4 (Thread 0xa7b4cb40 (LWP 3179)):
#0  0x00f13416 in __kernel_vsyscall ()
#1  0x0767596b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002083dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x07d96350 in wait (time=4294967295, this=0x9762ee0) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x97616e8, mutex=0x96daf18, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x00babacc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x97616d0, th=0x9c61a58) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x00bae95b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x974ded8, th=0x9c61a58) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x00bab63a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x97616d0, th=0x9c61a58) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00baea5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x974ded8, th=0x9c61a58) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00bab533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x97616d0, th=0x9c61a58, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00baea78 in ThreadWeaver::WorkingHardState::applyForWork (this=0x974ded8, th=0x9c61a58) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x00bab533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x97616d0, th=0x9c61a58, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x00baea78 in ThreadWeaver::WorkingHardState::applyForWork (this=0x974ded8, th=0x9c61a58) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0x00bab533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x97616d0, th=0x9c61a58, previous=0xab3cee0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0x00bad4e4 in ThreadWeaver::ThreadRunHelper::run (this=0xa7b4c1f4, parent=0x97616d0, th=0x9c61a58) at ../../../threadweaver/Weaver/Thread.cpp:87
#15 0x00bad59a in ThreadWeaver::Thread::run (this=0x9c61a58) at ../../../threadweaver/Weaver/Thread.cpp:142
#16 0x07d95de0 in QThreadPrivate::start (arg=0x9c61a58) at thread/qthread_unix.cpp:298
#17 0x035b0a11 in ?? () from /usr/lib/nvidia-current/libGL.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 3 (Thread 0xa6d51b40 (LWP 3180)):
#0  0x00f13416 in __kernel_vsyscall ()
#1  0x0767596b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002083dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x07d96350 in wait (time=4294967295, this=0x9762ee0) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x97616e8, mutex=0x96daf18, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x00babacc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x97616d0, th=0xa5137a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x00bae95b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x974ded8, th=0xa5137a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x00bab63a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x97616d0, th=0xa5137a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00baea5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x974ded8, th=0xa5137a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00bab533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x97616d0, th=0xa5137a0, previous=0xacbd628) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00bad4e4 in ThreadWeaver::ThreadRunHelper::run (this=0xa6d511f4, parent=0x97616d0, th=0xa5137a0) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x00bad59a in ThreadWeaver::Thread::run (this=0xa5137a0) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x07d95de0 in QThreadPrivate::start (arg=0xa5137a0) at thread/qthread_unix.cpp:298
#13 0x035b0a11 in ?? () from /usr/lib/nvidia-current/libGL.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 2 (Thread 0xa6550b40 (LWP 3181)):
#0  0x00f13416 in __kernel_vsyscall ()
#1  0x0767596b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002083dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x07d96350 in wait (time=4294967295, this=0x9762ee0) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x97616e8, mutex=0x96daf18, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x00babacc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x97616d0, th=0xa8381e8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x00bae95b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x974ded8, th=0xa8381e8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x00bab63a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x97616d0, th=0xa8381e8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00baea5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x974ded8, th=0xa8381e8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00bab533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x97616d0, th=0xa8381e8, previous=0xac461d8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00bad4e4 in ThreadWeaver::ThreadRunHelper::run (this=0xa65501f4, parent=0x97616d0, th=0xa8381e8) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x00bad59a in ThreadWeaver::Thread::run (this=0xa8381e8) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x07d95de0 in QThreadPrivate::start (arg=0xa8381e8) at thread/qthread_unix.cpp:298
#13 0x035b0a11 in ?? () from /usr/lib/nvidia-current/libGL.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 1 (Thread 0xb5b16a40 (LWP 2350)):
[KCrash Handler]
#7  0x07ec2fae in QObject::connect (sender=0xa50bf80, signal=0x59e2fa9 "2destroyed()", receiver=0xa917f18, method=0x59e2f98 "1widgetDeleted()", type=Qt::AutoConnection) at kernel/qobject.cpp:2551
#8  0x059c0dab in SystemTray::Task::widget (this=0xa917f18, host=0xad54108, createIfNecessary=true) at ../../../../../plasma/generic/applets/systemtray/core/task.cpp:83
#9  0x059df709 in SystemTray::TaskArea::addWidgetForTask (this=0xbb63798, task=0xa917f18) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:265
#10 0x059dfe9f in SystemTray::TaskArea::addTask (this=0xbb63798, task=0xa917f18) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#11 0x07ec16b1 in QMetaObject::activate (sender=0x97cc708, m=0x59ecff8, local_signal_index=1, argv=0xbfc7d8d8) at kernel/qobject.cpp:3547
#12 0x059bfe85 in SystemTray::Manager::taskChanged (this=0x97cc708, _t1=0xa917f18) at ./manager.moc:120
#13 0x07ec16b1 in QMetaObject::activate (sender=0xa917f18, m=0x59ed0d0, local_signal_index=0, argv=0xbfc7d9b8) at kernel/qobject.cpp:3547
#14 0x059c1465 in SystemTray::Task::changed (this=0xa917f18, _t1=0xa917f18) at ./task.moc:128
#15 0x059c14b3 in SystemTray::Task::emitChanged (this=0xa917f18) at ../../../../../plasma/generic/applets/systemtray/core/task.cpp:144
#16 0x07ebcc01 in QMetaCallEvent::placeMetaCall (this=0xa35a860, object=0xa917f18) at kernel/qobject.cpp:525
#17 0x07ec5c7b in QObject::event (this=0xa917f18, e=0xa35a860) at kernel/qobject.cpp:1195
#18 0x048aded4 in notify_helper (e=0xa35a860, receiver=0xa917f18, this=0x908a828) at kernel/qapplication.cpp:4559
#19 QApplicationPrivate::notify_helper (this=0x908a828, receiver=0xa917f18, e=0xa35a860) at kernel/qapplication.cpp:4531
#20 0x048b330d in QApplication::notify (this=0xa35a860, receiver=0xa917f18, e=0xa35a860) at kernel/qapplication.cpp:4288
#21 0x01100b61 in KApplication::notify (this=0x907b808, receiver=0xa917f18, event=0xa35a860) at ../../kdeui/kernel/kapplication.cpp:311
#22 0x07eaa97e in QCoreApplication::notifyInternal (this=0x907b808, receiver=0xa917f18, event=0xa35a860) at kernel/qcoreapplication.cpp:876
#23 0x07eaead8 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8fe9130) at kernel/qcoreapplication.cpp:1500
#25 0x07eaee0c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#26 0x07edd494 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#27 postEventSourceDispatch (s=0x90ae410) at kernel/qeventdispatcher_glib.cpp:279
#28 0x06d29cda in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0x06d2a0e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#30 0x06d2a1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#31 0x07edd887 in QEventDispatcherGlib::processEvents (this=0x8fe9eb8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#32 0x04966aaa in QGuiEventDispatcherGlib::processEvents (this=0x8fe9eb8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x07ea950d in QEventLoop::processEvents (this=0xbfc7e134, flags=...) at kernel/qeventloop.cpp:149
#34 0x07ea97a9 in QEventLoop::exec (this=0xbfc7e134, flags=...) at kernel/qeventloop.cpp:204
#35 0x07eaeeba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#36 0x048aba74 in QApplication::exec () at kernel/qapplication.cpp:3820
#37 0x00c74a7b in kdemain (argc=1, argv=0xbfc7e334) at ../../../../plasma/desktop/shell/main.cpp:120
#38 0x0804850b in main (argc=1, argv=0xbfc7e334) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 300794, bug 300680, bug 300024, bug 299063, bug 290712.

Reported using DrKonqi