Application: plasma-desktop (0.3)
KDE Platform Version: 4.3.95 (KDE 4.3.95 (KDE 4.4 RC2))
Qt Version: 4.6.0
Operating System: Linux 2.6.32-11-generic i686
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
this is reproducible every single time, with kde 4.4 rc2, just add the search plasmoid and the plasma-desktop will crash imediatly.

The crash can be reproduced every time.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7723760 (LWP 3230))]

Thread 7 (Thread 0xa9260b70 (LWP 3234)):
#0  0x0024e422 in __kernel_vsyscall ()
#1  0x00236f55 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x00e7f2e7 in QWaitConditionPrivate::wait (this=0x86ddf00, mutex=0x86ddefc, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x86ddf00, mutex=0x86ddefc, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x02f4de82 in QHostInfoAgent::run (this=0x86ddef0) at kernel/qhostinfo.cpp:252
#5  0x00e7e38e in QThreadPrivate::start (arg=0x86ddef0) at thread/qthread_unix.cpp:244
#6  0x002328de in start_thread (arg=0xa9260b70) at pthread_create.c:300
#7  0x0659893e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 6 (Thread 0xa8a57b70 (LWP 3235)):
#0  0x0024e422 in __kernel_vsyscall ()
#1  0x00236f55 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0xb67ea2d7 in WTF::TCMalloc_PageHeap::scavengerThread (this=0xb75b9ec0) at ../JavaScriptCore/wtf/FastMalloc.cpp:2299
#3  0xb67ea321 in WTF::TCMalloc_PageHeap::runScavengerThread (context=0xb75b9ec0) at ../JavaScriptCore/wtf/FastMalloc.cpp:1433
#4  0x002328de in start_thread (arg=0xa8a57b70) at pthread_create.c:300
#5  0x0659893e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0xa40b2b70 (LWP 4664)):
#0  0x0024e422 in __kernel_vsyscall ()
#1  0x00236f55 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x00e7f2e7 in QWaitConditionPrivate::wait (this=0x8e5f8c0, mutex=0x8e5fff0, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x8e5f8c0, mutex=0x8e5fff0, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x059bc8a0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8e5f8a8, th=0x9eaa420) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#5  0x059bf36c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8e60088, th=0x9eaa420) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#6  0x059bb26b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8e5f8a8, th=0x9eaa420) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#7  0x059bf462 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8e60088, th=0x9eaa420) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x059bcb23 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8e5f8a8, th=0x9eaa420, previous=0x9cd1b58) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#9  0x059bd4fe in ThreadWeaver::ThreadRunHelper::run (this=0xa40b22a4, parent=0x8e5f8a8, th=0x9eaa420) at ../../../threadweaver/Weaver/Thread.cpp:87
#10 0x059bdc1b in ThreadWeaver::Thread::run (this=0x9eaa420) at ../../../threadweaver/Weaver/Thread.cpp:142
#11 0x00e7e38e in QThreadPrivate::start (arg=0x9eaa420) at thread/qthread_unix.cpp:244
#12 0x002328de in start_thread (arg=0xa40b2b70) at pthread_create.c:300
#13 0x0659893e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xa38b1b70 (LWP 4665)):
#0  0x0024e422 in __kernel_vsyscall ()
#1  0x00236f55 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x00e7f2e7 in QWaitConditionPrivate::wait (this=0x8e5f8c0, mutex=0x8e5fff0, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x8e5f8c0, mutex=0x8e5fff0, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x059bc8a0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8e5f8a8, th=0x94d36e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#5  0x059bf36c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8e60088, th=0x94d36e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#6  0x059bb26b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8e5f8a8, th=0x94d36e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#7  0x059bf462 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8e60088, th=0x94d36e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x059bcb23 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8e5f8a8, th=0x94d36e0, previous=0x9bb8430) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#9  0x059bd4fe in ThreadWeaver::ThreadRunHelper::run (this=0xa38b12a4, parent=0x8e5f8a8, th=0x94d36e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#10 0x059bdc1b in ThreadWeaver::Thread::run (this=0x94d36e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#11 0x00e7e38e in QThreadPrivate::start (arg=0x94d36e0) at thread/qthread_unix.cpp:244
#12 0x002328de in start_thread (arg=0xa38b1b70) at pthread_create.c:300
#13 0x0659893e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xa30b0b70 (LWP 4666)):
#0  0x0024e422 in __kernel_vsyscall ()
#1  0x00236f55 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x00e7f2e7 in QWaitConditionPrivate::wait (this=0x8e5f8c0, mutex=0x8e5fff0, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x8e5f8c0, mutex=0x8e5fff0, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x059bc8a0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8e5f8a8, th=0x9d583b8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#5  0x059bf36c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8e60088, th=0x9d583b8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#6  0x059bb26b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8e5f8a8, th=0x9d583b8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#7  0x059bf462 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8e60088, th=0x9d583b8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x059bcb23 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8e5f8a8, th=0x9d583b8, previous=0x9ebf0d8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#9  0x059bd4fe in ThreadWeaver::ThreadRunHelper::run (this=0xa30b02a4, parent=0x8e5f8a8, th=0x9d583b8) at ../../../threadweaver/Weaver/Thread.cpp:87
#10 0x059bdc1b in ThreadWeaver::Thread::run (this=0x9d583b8) at ../../../threadweaver/Weaver/Thread.cpp:142
#11 0x00e7e38e in QThreadPrivate::start (arg=0x9d583b8) at thread/qthread_unix.cpp:244
#12 0x002328de in start_thread (arg=0xa30b0b70) at pthread_create.c:300
#13 0x0659893e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xa28afb70 (LWP 4667)):
#0  0x0024e422 in __kernel_vsyscall ()
#1  0x00236f55 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x00e7f2e7 in QWaitConditionPrivate::wait (this=0x8e5f8c0, mutex=0x8e5fff0, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x8e5f8c0, mutex=0x8e5fff0, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x059bc8a0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8e5f8a8, th=0x9d54840) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#5  0x059bf36c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8e60088, th=0x9d54840) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#6  0x059bb26b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8e5f8a8, th=0x9d54840) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#7  0x059bf462 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8e60088, th=0x9d54840) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x059bcb23 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8e5f8a8, th=0x9d54840, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#9  0x059bd4fe in ThreadWeaver::ThreadRunHelper::run (this=0xa28af2a4, parent=0x8e5f8a8, th=0x9d54840) at ../../../threadweaver/Weaver/Thread.cpp:87
#10 0x059bdc1b in ThreadWeaver::Thread::run (this=0x9d54840) at ../../../threadweaver/Weaver/Thread.cpp:142
#11 0x00e7e38e in QThreadPrivate::start (arg=0x9d54840) at thread/qthread_unix.cpp:244
#12 0x002328de in start_thread (arg=0xa28afb70) at pthread_create.c:300
#13 0x0659893e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb7723760 (LWP 3230)):
[KCrash Handler]
#6  qt_closestLeaf (start=<value optimized out>, end=<value optimized out>, t=@0x9f4b158, lessThan=<value optimized out>) at graphicsview/qgraphicsitem_p.h:718
#7  qt_notclosestLeaf (start=<value optimized out>, end=<value optimized out>, t=@0x9f4b158, lessThan=<value optimized out>) at graphicsview/qgraphicsitem_p.h:730
#8  qSortHelper<QList<QGraphicsItem*>::iterator, QGraphicsItem*, bool (*)(QGraphicsItem const*, QGraphicsItem const*)> (start=<value optimized out>, end=<value optimized out>, t=@0x9f4b158, 
    lessThan=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qalgorithms.h:366
#9  0x039c82b4 in qSort<QList<QGraphicsItem*>::iterator, bool (*)(QGraphicsItem const*, QGraphicsItem const*)> (this=0x833ab58, rect=..., order=Qt::AscendingOrder)
    at ../../include/QtCore/../../src/corelib/tools/qalgorithms.h:187
#10 QGraphicsScenePrivate::ensureSortedTopLevelItems (this=0x833ab58, rect=..., order=Qt::AscendingOrder) at graphicsview/qgraphicsscene_p.h:268
#11 QGraphicsSceneIndex::estimateTopLevelItems (this=0x833ab58, rect=..., order=Qt::AscendingOrder) at graphicsview/qgraphicssceneindex.cpp:545
#12 0x039c89f8 in QGraphicsSceneIndexPrivate::items_helper (this=0x833ab58, rect=..., mode=Qt::IntersectsItemShape, order=Qt::DescendingOrder, deviceTransform=...)
    at graphicsview/qgraphicssceneindex_p.h:157
#13 QGraphicsSceneIndex::items (this=0x833ab58, rect=..., mode=Qt::IntersectsItemShape, order=Qt::DescendingOrder, deviceTransform=...) at graphicsview/qgraphicssceneindex.cpp:457
#14 0x0399d30b in QGraphicsScene::items (this=0x8398e98, rect=..., mode=Qt::IntersectsItemShape, order=Qt::DescendingOrder, deviceTransform=...) at graphicsview/qgraphicsscene.cpp:2024
#15 0x039a4a45 in QGraphicsScenePrivate::itemsAtPosition (this=0x83adc38, screenPos=..., scenePos=..., widget=0x9169d18) at graphicsview/qgraphicsscene.cpp:1023
#16 0x039a4f10 in QGraphicsScenePrivate::dispatchHoverEvent (this=0x83adc38, hoverEvent=0xbfc40e1c) at graphicsview/qgraphicsscene.cpp:3768
#17 0x039a51c8 in QGraphicsScene::mouseMoveEvent (this=0x8398e98, mouseEvent=0xbfc41334) at graphicsview/qgraphicsscene.cpp:3976
#18 0x039b43ed in QGraphicsScene::event (this=0x8398e98, event=0xbfc41334) at graphicsview/qgraphicsscene.cpp:3341
#19 0x0330f1dc in QApplicationPrivate::notify_helper (this=0x82e6318, receiver=0x8398e98, e=0xbfc41334) at kernel/qapplication.cpp:4242
#20 0x03315e37 in QApplication::notify (this=0x82e0298, receiver=0x8398e98, e=0xbfc41334) at kernel/qapplication.cpp:3661
#21 0x00bf36fa in KApplication::notify (this=0x82e0298, receiver=0x8398e98, event=0xbfc41334) at ../../kdeui/kernel/kapplication.cpp:302
#22 0x00f7f6fb in QCoreApplication::notifyInternal (this=0x82e0298, receiver=0x8398e98, event=0xbfc41334) at kernel/qcoreapplication.cpp:704
#23 0x033100be in QCoreApplication::sendSpontaneousEvent (receiver=0x8398e98, event=0x9f4b184) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#24 qt_sendSpontaneousEvent (receiver=0x8398e98, event=0x9f4b184) at kernel/qapplication.cpp:5219
#25 0x039d4822 in QGraphicsViewPrivate::mouseMoveEventHandler (this=0x923cef0, event=0xbfc41b00) at graphicsview/qgraphicsview.cpp:617
#26 0x039d4a66 in QGraphicsView::mouseMoveEvent (this=0x923cbe0, event=0xbfc41b00) at graphicsview/qgraphicsview.cpp:3157
#27 0x0336bfa6 in QWidget::event (this=0x923cbe0, event=0xbfc41b00) at kernel/qwidget.cpp:7959
#28 0x037651a3 in QFrame::event (this=0x923cbe0, e=0xbfc41b00) at widgets/qframe.cpp:557
#29 0x037febb2 in QAbstractScrollArea::viewportEvent (this=0x9f44fe8, e=0x9f4b184) at widgets/qabstractscrollarea.cpp:1032
#30 0x039d236b in QGraphicsView::viewportEvent (this=0x923cbe0, event=0xbfc41b00) at graphicsview/qgraphicsview.cpp:2747
#31 0x03801495 in QAbstractScrollAreaPrivate::viewportEvent (this=0x9204980, o=0x9169d18, e=0xbfc41b00) at widgets/qabstractscrollarea_p.h:100
#32 QAbstractScrollAreaFilter::eventFilter (this=0x9204980, o=0x9169d18, e=0xbfc41b00) at widgets/qabstractscrollarea_p.h:116
#33 0x00f7e99a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x82e6318, receiver=0x9169d18, event=0xbfc41b00) at kernel/qcoreapplication.cpp:819
#34 0x0330f1b9 in QApplicationPrivate::notify_helper (this=0x82e6318, receiver=0x9169d18, e=0xbfc41b00) at kernel/qapplication.cpp:4238
#35 0x033167ab in QApplication::notify (this=0x82e0298, receiver=0x9169d18, e=0xbfc41b00) at kernel/qapplication.cpp:3822
#36 0x00bf36fa in KApplication::notify (this=0x82e0298, receiver=0x9169d18, event=0xbfc41b00) at ../../kdeui/kernel/kapplication.cpp:302
#37 0x00f7f6fb in QCoreApplication::notifyInternal (this=0x82e0298, receiver=0x9169d18, event=0xbfc41b00) at kernel/qcoreapplication.cpp:704
#38 0x03315762 in QCoreApplication::sendEvent (receiver=0x9169d18, event=0xbfc41b00, alienWidget=0x9169d18, nativeWidget=0x923cbe0, buttonDown=0x3c4b060, lastMouseReceiver=..., spontaneous=true)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#39 QApplicationPrivate::sendMouseEvent (receiver=0x9169d18, event=0xbfc41b00, alienWidget=0x9169d18, nativeWidget=0x923cbe0, buttonDown=0x3c4b060, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:2956
#40 0x0339ecc8 in QETWidget::translateMouseEvent (this=0x923cbe0, event=0xbfc4201c) at kernel/qapplication_x11.cpp:4368
#41 0x0339d2e5 in QApplication::x11ProcessEvent (this=0x82e0298, event=0xbfc4201c) at kernel/qapplication_x11.cpp:3501
#42 0x033cd07a in x11EventSourceDispatch (s=0x82e8e40, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#43 0x05be9955 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#44 0x05bed658 in ?? () from /lib/libglib-2.0.so.0
#45 0x05bed818 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#46 0x00fab3f5 in QEventDispatcherGlib::processEvents (this=0x8291ce8, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#47 0x033ccba5 in QGuiEventDispatcherGlib::processEvents (this=0x8291ce8, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#48 0x00f7dd19 in QEventLoop::processEvents (this=0xbfc42314, flags=) at kernel/qeventloop.cpp:149
#49 0x00f7e16a in QEventLoop::exec (this=0xbfc42314, flags=...) at kernel/qeventloop.cpp:201
#50 0x00f8235f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#51 0x0330f277 in QApplication::exec () at kernel/qapplication.cpp:3570
#52 0x070e019e in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#53 0x0804dff7 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x82d7898 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051429 "0") at ../../kinit/kinit.cpp:706
#54 0x0804ec15 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1198
#55 0x0804f153 in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1391
#56 0x0804fe37 in main (argc=4, argv=0xbfc42dc4, envp=0xbfc42dd8) at ../../kinit/kinit.cpp:1830

Possible duplicates by query: bug 224461, bug 223991.

Reported using DrKonqi