Bug 326340

Application: plasma-desktop (4.10.5)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.8.0-30-generic i686
Distribution: Ubuntu 13.04

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

I was changing activity screens. Before the new screen appeared, the crash occured.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb10f2740 (LWP 3038))]

Thread 9 (Thread 0xae47fb40 (LWP 3050)):
#0  0xb772a424 in __kernel_vsyscall ()
#1  0xb1fac84b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb75e5d7c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb2fa80ad in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb2fa80df in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb1fa8d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb75d83de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 8 (Thread 0xa7bb0b40 (LWP 3051)):
#0  0xb772a424 in __kernel_vsyscall ()
#1  0xb75c8dcb in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb1ea82db in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb1e996d0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb1e99831 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb5fd4c3f in QEventDispatcherGlib::processEvents (this=0xa7200468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb5fa13ec in QEventLoop::processEvents (this=this@entry=0xa7bb0228, flags=...) at kernel/qeventloop.cpp:149
#7  0xb5fa16e1 in QEventLoop::exec (this=this@entry=0xa7bb0228, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5e8cfec in QThread::exec (this=this@entry=0xa14b250) at thread/qthread.cpp:542
#9  0xb5f80f2d in QInotifyFileSystemWatcherEngine::run (this=0xa14b250) at io/qfilesystemwatcher_inotify.cpp:256
#10 0xb5e8fb18 in QThreadPrivate::start (arg=0xa14b250) at thread/qthread_unix.cpp:338
#11 0xb1fa8d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb75d83de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 7 (Thread 0xa56ffb40 (LWP 3072)):
#0  0xb772a424 in __kernel_vsyscall ()
#1  0xb75eb8e2 in clock_gettime () from /lib/i386-linux-gnu/libc.so.6
#2  0xb5eee0d5 in do_gettime (frac=0xa56fef60, sec=0xa56fef58) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0xb5fd580e in QTimerInfoList::updateCurrentTime (this=this@entry=0xa4d02074) at kernel/qeventdispatcher_unix.cpp:354
#5  0xb5fd5b9a in QTimerInfoList::timerWait (this=0xa4d02074, tm=...) at kernel/qeventdispatcher_unix.cpp:461
#6  0xb5fd4373 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xa56ff08c) at kernel/qeventdispatcher_glib.cpp:136
#7  0xb5fd440d in timerSourcePrepare (source=0xa4d02040, timeout=0xa56ff08c) at kernel/qeventdispatcher_glib.cpp:169
#8  0xb1e98d21 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb1e995cf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb1e99831 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#11 0xb5fd4c3f in QEventDispatcherGlib::processEvents (this=0xa4d00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0xb5fa13ec in QEventLoop::processEvents (this=this@entry=0xa56ff228, flags=...) at kernel/qeventloop.cpp:149
#13 0xb5fa16e1 in QEventLoop::exec (this=this@entry=0xa56ff228, flags=...) at kernel/qeventloop.cpp:204
#14 0xb5e8cfec in QThread::exec (this=this@entry=0xa4388e0) at thread/qthread.cpp:542
#15 0xb5f80f2d in QInotifyFileSystemWatcherEngine::run (this=0xa4388e0) at io/qfilesystemwatcher_inotify.cpp:256
#16 0xb5e8fb18 in QThreadPrivate::start (arg=0xa4388e0) at thread/qthread_unix.cpp:338
#17 0xb1fa8d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#18 0xb75d83de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0xa2f19b40 (LWP 3085)):
#0  0xb772a424 in __kernel_vsyscall ()
#1  0xb75eb8e2 in clock_gettime () from /lib/i386-linux-gnu/libc.so.6
#2  0xb5eee0d5 in do_gettime (frac=0xa2f18f70, sec=0xa2f18f68) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0xb5fd580e in QTimerInfoList::updateCurrentTime (this=this@entry=0xaaeb0c4) at kernel/qeventdispatcher_unix.cpp:354
#5  0xb5fd5b9a in QTimerInfoList::timerWait (this=0xaaeb0c4, tm=...) at kernel/qeventdispatcher_unix.cpp:461
#6  0xb5fd4373 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xa2f1909c) at kernel/qeventdispatcher_glib.cpp:136
#7  0xb5fd440d in timerSourcePrepare (source=0xaaeb090, timeout=0xa2f1909c) at kernel/qeventdispatcher_glib.cpp:169
#8  0xb1e98d21 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb1e995cf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb1e99831 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#11 0xb5fd4c3f in QEventDispatcherGlib::processEvents (this=0xaaeb110, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0xb5fa13ec in QEventLoop::processEvents (this=this@entry=0xa2f19238, flags=...) at kernel/qeventloop.cpp:149
#13 0xb5fa16e1 in QEventLoop::exec (this=this@entry=0xa2f19238, flags=...) at kernel/qeventloop.cpp:204
#14 0xb5e8cfec in QThread::exec (this=0xaae9528) at thread/qthread.cpp:542
#15 0xa321d402 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#16 0xb5e8fb18 in QThreadPrivate::start (arg=0xaae9528) at thread/qthread_unix.cpp:338
#17 0xb1fa8d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#18 0xb75d83de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xa2255b40 (LWP 26631)):
#0  0xb772a424 in __kernel_vsyscall ()
#1  0xb1fac84b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb75e5d7c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb5e900f0 in wait (time=4294967295, this=0xa1d54a0) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=this@entry=0xa1b6268, mutex=0xa1a5df0, time=time@entry=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb2c38a55 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa1b6250, th=th@entry=0xa473ca8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb2c3b98b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa1a27a8, th=0xa473ca8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb2c3865a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa1b6250, th=th@entry=0xa473ca8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb2c3bae4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa1a27a8, th=0xa473ca8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb2c38553 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa1b6250, th=0xa473ca8, previous=0xc488058) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb2c3a324 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0xa2255284, parent=0xa1b6250, th=th@entry=0xa473ca8) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb2c3a3da in ThreadWeaver::Thread::run (this=0xa473ca8) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5e8fb18 in QThreadPrivate::start (arg=0xa473ca8) at thread/qthread_unix.cpp:338
#13 0xb1fa8d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0xb75d83de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0x9e085b40 (LWP 26632)):
#0  0xb772a424 in __kernel_vsyscall ()
#1  0xb1fac84b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb75e5d7c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb5e900f0 in wait (time=4294967295, this=0xa1d54a0) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=this@entry=0xa1b6268, mutex=0xa1a5df0, time=time@entry=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb2c38a55 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa1b6250, th=th@entry=0xbbaa798) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb2c3b98b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa1a27a8, th=0xbbaa798) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb2c3865a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa1b6250, th=th@entry=0xbbaa798) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb2c3bae4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa1a27a8, th=0xbbaa798) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb2c38553 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa1b6250, th=0xbbaa798, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb2c3bb00 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa1a27a8, th=0xbbaa798) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb2c38553 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa1b6250, th=0xbbaa798, previous=0xb639048) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb2c3a324 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x9e085284, parent=0xa1b6250, th=th@entry=0xbbaa798) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb2c3a3da in ThreadWeaver::Thread::run (this=0xbbaa798) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb5e8fb18 in QThreadPrivate::start (arg=0xbbaa798) at thread/qthread_unix.cpp:338
#15 0xb1fa8d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#16 0xb75d83de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0x9d884b40 (LWP 26633)):
#0  0xb772a424 in __kernel_vsyscall ()
#1  0xb1fac84b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb75e5d7c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb5e900f0 in wait (time=4294967295, this=0xa1d54a0) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=this@entry=0xa1b6268, mutex=0xa1a5df0, time=time@entry=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb2c38a55 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa1b6250, th=th@entry=0xb153ae0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb2c3b98b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa1a27a8, th=0xb153ae0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb2c3865a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa1b6250, th=th@entry=0xb153ae0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb2c3bae4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa1a27a8, th=0xb153ae0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb2c38553 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa1b6250, th=0xb153ae0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb2c3bb00 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa1a27a8, th=0xb153ae0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb2c38553 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa1b6250, th=0xb153ae0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb2c3bb00 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa1a27a8, th=0xb153ae0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0xb2c38553 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa1b6250, th=0xb153ae0, previous=0xb8d98b8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0xb2c3a324 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x9d884284, parent=0xa1b6250, th=th@entry=0xb153ae0) at ../../../threadweaver/Weaver/Thread.cpp:87
#15 0xb2c3a3da in ThreadWeaver::Thread::run (this=0xb153ae0) at ../../../threadweaver/Weaver/Thread.cpp:142
#16 0xb5e8fb18 in QThreadPrivate::start (arg=0xb153ae0) at thread/qthread_unix.cpp:338
#17 0xb1fa8d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#18 0xb75d83de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0x9d083b40 (LWP 26634)):
#0  0xb772a424 in __kernel_vsyscall ()
#1  0xb1fac84b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb75e5d7c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb5e900f0 in wait (time=4294967295, this=0xa1d54a0) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=this@entry=0xa1b6268, mutex=0xa1a5df0, time=time@entry=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb2c38a55 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa1b6250, th=th@entry=0xc3d9530) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb2c3b98b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa1a27a8, th=0xc3d9530) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb2c3865a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa1b6250, th=th@entry=0xc3d9530) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb2c3bae4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa1a27a8, th=0xc3d9530) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb2c38553 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa1b6250, th=0xc3d9530, previous=0xb582ac0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb2c3a324 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x9d083284, parent=0xa1b6250, th=th@entry=0xc3d9530) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb2c3a3da in ThreadWeaver::Thread::run (this=0xc3d9530) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5e8fb18 in QThreadPrivate::start (arg=0xc3d9530) at thread/qthread_unix.cpp:338
#13 0xb1fa8d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0xb75d83de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb10f2740 (LWP 3038)):
[KCrash Handler]
#7  0xb6b721be in QDeclarativeItem::~QDeclarativeItem (this=0xc8e6908, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#8  0xad6e9800 in Plasma::FrameSvgItem::~FrameSvgItem (this=0xc8e6908, __in_chrg=<optimized out>) at ../../../../plasma/declarativeimports/core/framesvgitem.cpp:73
#9  0xad6d6f60 in ~QDeclarativeElement (this=0xc8e6908, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#10 QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0xc8e6908, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#11 0xb5fb6873 in qDeleteInEventHandler (o=o@entry=0xc8e6908) at kernel/qobject.cpp:4269
#12 0xb5fbe4b0 in QObject::event (this=this@entry=0xc8e6908, e=e@entry=0xb291a98) at kernel/qobject.cpp:1175
#13 0xb6b75494 in QDeclarativeItem::event (this=0xc8e6908, ev=0xb291a98) at graphicsitems/qdeclarativeitem.cpp:3748
#14 0xb5490c7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#15 0xb5493b94 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#16 0xb663c491 in KApplication::notify (this=0x9ad0fb0, receiver=0xc8e6908, event=0xb291a98) at ../../kdeui/kernel/kapplication.cpp:311
#17 0xb5fa290e in QCoreApplication::notifyInternal (this=0x9ad0fb0, receiver=0xc8e6908, event=0xb291a98) at kernel/qcoreapplication.cpp:946
#18 0xb5fa6721 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9a89130) at kernel/qcoreapplication.cpp:1570
#20 0xb5fa6a8c in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#21 0xb5fd4aa4 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#22 postEventSourceDispatch (s=0x9ae4340) at kernel/qeventdispatcher_glib.cpp:279
#23 0xb1e993b3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0xb1e99750 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0xb1e99831 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0xb5fd4c21 in QEventDispatcherGlib::processEvents (this=0x9a89ec0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#27 0xb5547a5a in ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#28 0xb5fa13ec in QEventLoop::processEvents (this=this@entry=0xbf9281f8, flags=...) at kernel/qeventloop.cpp:149
#29 0xb5fa16e1 in QEventLoop::exec (this=this@entry=0xbf9281f8, flags=...) at kernel/qeventloop.cpp:204
#30 0xb5fa73fa in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#31 0xb548efc4 in QApplication::exec() () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#32 0xb76e3e32 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#33 0x0804855b in main (argc=1, argv=0xbf9283b4) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 325395, bug 324494, bug 323674, bug 321630, bug 319793.

Reported using DrKonqi