Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
I have dual monitors 
Nvidia 8600 GTS
Moving a widget from one screen to the other caused the crash

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5feb720 (LWP 1372))]

Thread 8 (Thread 0xae0ffb70 (LWP 1375)):
#0  0x00e85d41 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x0834edd8 in do_gettime () at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x0841b4f2 in updateCurrentTime (this=0x961a284, tm=...) at kernel/qeventdispatcher_unix.cpp:339
#4  QTimerInfoList::timerWait (this=0x961a284, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x08419d32 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xae0ff0cc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x08419dcd in timerSourcePrepare (source=0x961a250, timeout=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x02bc5fd4 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x02bc6e63 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x02bc7524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x0841a577 in QEventDispatcherGlib::processEvents (this=0x9616138, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x083ec289 in QEventLoop::processEvents (this=0xae0ff280, flags=...) at kernel/qeventloop.cpp:149
#12 0x083ec522 in QEventLoop::exec (this=0xae0ff280, flags=...) at kernel/qeventloop.cpp:201
#13 0x082f62a0 in QThread::exec (this=0x961ade8) at thread/qthread.cpp:492
#14 0x083cdfdb in QInotifyFileSystemWatcherEngine::run (this=0x961ade8) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x082f8da2 in QThreadPrivate::start (arg=0x961ade8) at thread/qthread_unix.cpp:320
#16 0x02b72e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x00f6173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 7 (Thread 0xacabdb70 (LWP 1376)):
#0  0x02b767af in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x00f6f656 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0x02bc70b4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x02bc7524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0841a577 in QEventDispatcherGlib::processEvents (this=0x91051f8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x083ec289 in QEventLoop::processEvents (this=0xacabd280, flags=...) at kernel/qeventloop.cpp:149
#6  0x083ec522 in QEventLoop::exec (this=0xacabd280, flags=...) at kernel/qeventloop.cpp:201
#7  0x082f62a0 in QThread::exec (this=0x924a868) at thread/qthread.cpp:492
#8  0x083cdfdb in QInotifyFileSystemWatcherEngine::run (this=0x924a868) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x082f8da2 in QThreadPrivate::start (arg=0x924a868) at thread/qthread_unix.cpp:320
#10 0x02b72e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0x00f6173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0xac2bcb70 (LWP 1570)):
#0  0x00930416 in __kernel_vsyscall ()
#1  0x02b7748c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00f6f3fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x082f9467 in wait (this=0x9939aa0, mutex=0x992f238, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9939aa0, mutex=0x992f238, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x008f87e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9939a88, th=0x938db70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x008fb47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9918bf0, th=0x938db70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x008f842b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9939a88, th=0x938db70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x008fb56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x9918bf0, th=0x938db70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x008f8373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9939a88, th=0x938db70, previous=0x9a85a98) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x008f9f9e in ThreadWeaver::ThreadRunHelper::run (this=0xac2bc2e4, parent=0x9939a88, th=0x938db70) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x008fa05b in ThreadWeaver::Thread::run (this=0x938db70) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x082f8da2 in QThreadPrivate::start (arg=0x938db70) at thread/qthread_unix.cpp:320
#13 0x02b72e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x00f6173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xab2b2b70 (LWP 1571)):
#0  0x00930416 in __kernel_vsyscall ()
#1  0x02b7748c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00f6f3fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x082f9467 in wait (this=0x9939aa0, mutex=0x992f238, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9939aa0, mutex=0x992f238, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x008f87e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9939a88, th=0xae123e18) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x008fb47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9918bf0, th=0xae123e18) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x008f842b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9939a88, th=0xae123e18) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x008fb56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x9918bf0, th=0xae123e18) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x008f8373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9939a88, th=0xae123e18, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x008fb589 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9918bf0, th=0xae123e18) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x008f8373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9939a88, th=0xae123e18, previous=0x9bfcbb0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x008f9f9e in ThreadWeaver::ThreadRunHelper::run (this=0xab2b22e4, parent=0x9939a88, th=0xae123e18) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0x008fa05b in ThreadWeaver::Thread::run (this=0xae123e18) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0x082f8da2 in QThreadPrivate::start (arg=0xae123e18) at thread/qthread_unix.cpp:320
#15 0x02b72e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#16 0x00f6173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xaaab1b70 (LWP 1572)):
#0  0x00930416 in __kernel_vsyscall ()
#1  0x02b7748c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00f6f3fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x082f9467 in wait (this=0x9939aa0, mutex=0x992f238, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9939aa0, mutex=0x992f238, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x008f87e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9939a88, th=0xae1282f0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x008fb47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9918bf0, th=0xae1282f0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x008f842b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9939a88, th=0xae1282f0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x008fb56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x9918bf0, th=0xae1282f0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x008f8373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9939a88, th=0xae1282f0, previous=0x999c648) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x008f9f9e in ThreadWeaver::ThreadRunHelper::run (this=0xaaab12e4, parent=0x9939a88, th=0xae1282f0) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x008fa05b in ThreadWeaver::Thread::run (this=0xae1282f0) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x082f8da2 in QThreadPrivate::start (arg=0xae1282f0) at thread/qthread_unix.cpp:320
#13 0x02b72e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x00f6173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xaa2b0b70 (LWP 1573)):
#0  0x00930416 in __kernel_vsyscall ()
#1  0x02b7748c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00f6f3fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x082f9467 in wait (this=0x9939aa0, mutex=0x992f238, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9939aa0, mutex=0x992f238, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x008f87e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9939a88, th=0xae12bc00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x008fb47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9918bf0, th=0xae12bc00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x008f842b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9939a88, th=0xae12bc00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x008fb56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x9918bf0, th=0xae12bc00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x008f8373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9939a88, th=0xae12bc00, previous=0x936f5f8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x008f9f9e in ThreadWeaver::ThreadRunHelper::run (this=0xaa2b02e4, parent=0x9939a88, th=0xae12bc00) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x008fa05b in ThreadWeaver::Thread::run (this=0xae12bc00) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x082f8da2 in QThreadPrivate::start (arg=0xae12bc00) at thread/qthread_unix.cpp:320
#13 0x02b72e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x00f6173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa8c16b70 (LWP 2343)):
#0  0x00930416 in __kernel_vsyscall ()
#1  0x02b7748c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00f6f3fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x02140b57 in ?? () from /usr/lib/libQtWebKit.so.4
#4  0x02b72e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#5  0x00f6173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb5feb720 (LWP 1372)):
[KCrash Handler]
#7  deref (this=0xa02a634, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/arch/qatomic_i386.h:132
#8  QVariant::~QVariant (this=0xa02a634, __in_chrg=<value optimized out>) at kernel/qvariant.cpp:1407
#9  0x05b7203e in ~Property (x=0xa02a560, this=<value optimized out>) at text/qtextformat.cpp:174
#10 QVector<QTextFormatPrivate::Property>::free (x=0xa02a560, this=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qvector.h:438
#11 0x05b73f84 in ~QVector (this=0xa82d1f8, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qvector.h:119
#12 ~QTextFormatPrivate (this=0xa82d1f8, __in_chrg=<value optimized out>) at text/qtextformat.cpp:169
#13 ~QSharedDataPointer (this=0xa82d1f8, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qshareddata.h:90
#14 QTextFormat::~QTextFormat (this=0xa82d1f8, __in_chrg=<value optimized out>) at text/qtextformat.cpp:779
#15 0x05b73feb in QVector<QTextFormat>::free (x=0xa82d1d0, this=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qvector.h:438
#16 0x05b782df in QVector<QTextFormat>::operator= (this=0x97e8f44, v=...) at ../../include/QtCore/../../src/corelib/tools/qvector.h:383
#17 0x05b74531 in QTextFormatCollection::operator= (this=0x97e8f44, rhs=...) at text/qtextformat.cpp:3070
#18 0x05b91de0 in QTextDocumentPrivate::clear (this=0x97e8eb8) at text/qtextdocument_p.cpp:269
#19 0x05b81ef3 in QTextDocument::setHtml (this=0x9bda190, html=...) at text/qtextdocument.cpp:1199
#20 0x05d3de92 in QLabelPrivate::ensureTextPopulated (this=0x957d860) at widgets/qlabel.cpp:1540
#21 0x05d3e000 in QLabelPrivate::ensureTextLayouted (this=0x957d860) at widgets/qlabel.cpp:1574
#22 0x05d3e45e in QLabelPrivate::sizeForWidth (this=0x957d860, w=-1) at widgets/qlabel.cpp:652
#23 0x05d3eb49 in QLabel::minimumSizeHint (this=0x9249670) at widgets/qlabel.cpp:899
#24 0x05f4852d in QGraphicsProxyWidget::sizeHint (this=0x92497b8, which=Qt::MinimumSize, constraint=...) at graphicsview/qgraphicsproxywidget.cpp:1439
#25 0x002b40b5 in Plasma::Label::sizeHint (this=0x92497b8, which=Qt::MinimumSize, constraint=...) at ../../plasma/widgets/label.cpp:339
#26 0x05f462ce in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x957d768, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175
#27 0x05f46ba4 in QGraphicsLayoutItem::effectiveSizeHint (this=0x92497c8, which=Qt::PreferredSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:818
#28 0x05f8fc7f in sizeHint (this=0x957c598, orientation=Qt::Horizontal, constraint=-1) at graphicsview/qgridlayoutengine.cpp:595
#29 QGridLayoutItem::box (this=0x957c598, orientation=Qt::Horizontal, constraint=-1) at graphicsview/qgridlayoutengine.cpp:606
#30 0x05f92f94 in QGridLayoutEngine::fillRowData (this=0x952d6b8, rowData=0x952d760, styleInfo=..., colPositions=0x0, colSizes=0x0, orientation=Qt::Horizontal) at graphicsview/qgridlayoutengine.cpp:1497
#31 0x05f93c18 in QGridLayoutEngine::ensureColumnAndRowData (this=0x952d6b8, rowData=0x952d760, totalBox=0xbf9f64e0, styleInfo=..., colPositions=0x0, colSizes=0x0, orientation=Qt::Horizontal) at graphicsview/qgridlayoutengine.cpp:1641
#32 0x05f94a14 in QGridLayoutEngine::sizeHint (this=0x952d6b8, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1139
#33 0x05f1a4ae in QGraphicsGridLayout::sizeHint (this=0x947d360, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:656
#34 0x05f4620a in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x952d5c8, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#35 0x05f46ba4 in QGraphicsLayoutItem::effectiveSizeHint (this=0x947d360, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:818
#36 0x05f867af in QGraphicsWidget::sizeHint (this=0x952d2b0, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicswidget.cpp:729
#37 0x05f4620a in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x952d4f8, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#38 0x05f46ba4 in QGraphicsLayoutItem::effectiveSizeHint (this=0x952d2c0, which=Qt::PreferredSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:818
#39 0x05f8fbbe in sizeHint (this=0x95a0600, orientation=Qt::Vertical, constraint=313.99999999953639) at graphicsview/qgridlayoutengine.cpp:595
#40 QGridLayoutItem::box (this=0x95a0600, orientation=Qt::Vertical, constraint=313.99999999953639) at graphicsview/qgridlayoutengine.cpp:622
#41 0x05f930f5 in QGridLayoutEngine::fillRowData (this=0x959c8a4, rowData=0x959c964, styleInfo=..., colPositions=0xa929300, colSizes=0xa3d0df0, orientation=Qt::Vertical) at graphicsview/qgridlayoutengine.cpp:1495
#42 0x05f93c18 in QGridLayoutEngine::ensureColumnAndRowData (this=0x959c8a4, rowData=0x959c964, totalBox=0xbf9f6c98, styleInfo=..., colPositions=0xa929300, colSizes=0xa3d0df0, orientation=Qt::Vertical) at graphicsview/qgridlayoutengine.cpp:1641
#43 0x05f94b45 in QGridLayoutEngine::sizeHint (this=0x959c8a4, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1152
#44 0x05f477ce in QGraphicsLinearLayout::sizeHint (this=0x959cd70, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicslinearlayout.cpp:536
#45 0x05f4620a in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x959c7b0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#46 0x05f46ba4 in QGraphicsLayoutItem::effectiveSizeHint (this=0x959cd70, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:818
#47 0x05f867af in QGraphicsWidget::sizeHint (this=0x959cd10, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicswidget.cpp:729
#48 0x05f4620a in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x9598950, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#49 0x05f46ba4 in QGraphicsLayoutItem::effectiveSizeHint (this=0x959cd20, which=Qt::PreferredSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:818
#50 0x05f8fbbe in sizeHint (this=0x9ffb0a0, orientation=Qt::Vertical, constraint=313.99999999953639) at graphicsview/qgridlayoutengine.cpp:595
#51 QGridLayoutItem::box (this=0x9ffb0a0, orientation=Qt::Vertical, constraint=313.99999999953639) at graphicsview/qgridlayoutengine.cpp:622
#52 0x05f930f5 in QGridLayoutEngine::fillRowData (this=0x9474064, rowData=0x9474124, styleInfo=..., colPositions=0x9d09960, colSizes=0xac88228, orientation=Qt::Vertical) at graphicsview/qgridlayoutengine.cpp:1495
#53 0x05f93c18 in QGridLayoutEngine::ensureColumnAndRowData (this=0x9474064, rowData=0x9474124, totalBox=0xbf9f7428, styleInfo=..., colPositions=0x9d09960, colSizes=0xac88228, orientation=Qt::Vertical) at graphicsview/qgridlayoutengine.cpp:1641
#54 0x05f94b45 in QGridLayoutEngine::sizeHint (this=0x9474064, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1152
#55 0x05f477ce in QGraphicsLinearLayout::sizeHint (this=0x95416d8, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicslinearlayout.cpp:536
#56 0x05f4620a in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x9473f70, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#57 0x05f46ba4 in QGraphicsLayoutItem::effectiveSizeHint (this=0x95416d8, which=Qt::PreferredSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:818
#58 0x05f8fbbe in sizeHint (this=0x954d928, orientation=Qt::Vertical, constraint=313.99999999953639) at graphicsview/qgridlayoutengine.cpp:595
#59 QGridLayoutItem::box (this=0x954d928, orientation=Qt::Vertical, constraint=313.99999999953639) at graphicsview/qgridlayoutengine.cpp:622
#60 0x05f930f5 in QGridLayoutEngine::fillRowData (this=0x94744f4, rowData=0x94745b4, styleInfo=..., colPositions=0x94710a8, colSizes=0x94710d0, orientation=Qt::Vertical) at graphicsview/qgridlayoutengine.cpp:1495
#61 0x05f93c18 in QGridLayoutEngine::ensureColumnAndRowData (this=0x94744f4, rowData=0x94745b4, totalBox=0x94745f4, styleInfo=..., colPositions=0x94710a8, colSizes=0x94710d0, orientation=Qt::Vertical) at graphicsview/qgridlayoutengine.cpp:1641
#62 0x05f93f4b in QGridLayoutEngine::ensureGeometries (this=0x94744f4, styleInfo=..., size=...) at graphicsview/qgridlayoutengine.cpp:1713
#63 0x05f94589 in QGridLayoutEngine::setGeometries (this=0x94744f4, styleInfo=..., contentsGeometry=...) at graphicsview/qgridlayoutengine.cpp:1078
#64 0x05f47934 in QGraphicsLinearLayout::setGeometry (this=0x957f138, rect=...) at graphicsview/qgraphicslinearlayout.cpp:518
#65 0x05f4573a in QGraphicsLayout::activate (this=0x957f138) at graphicsview/qgraphicslayout.cpp:272
#66 0x05f457dc in QGraphicsLayout::widgetEvent (this=0x957f138, e=0xac5c8e8) at graphicsview/qgraphicslayout.cpp:372
#67 0x05f86f4c in QGraphicsWidget::event (this=0x947e370, event=0xac5c8e8) at graphicsview/qgraphicswidget.cpp:1347
#68 0x058efd24 in QApplicationPrivate::notify_helper (this=0x90be2d8, receiver=0x947e370, e=0xac5c8e8) at kernel/qapplication.cpp:4462
#69 0x058f48ce in QApplication::notify (this=0x90b4d78, receiver=0x947e370, e=0xac5c8e8) at kernel/qapplication.cpp:3862
#70 0x011d33ca in KApplication::notify (this=0x90b4d78, receiver=0x947e370, event=0xac5c8e8) at ../../kdeui/kernel/kapplication.cpp:311
#71 0x083ed0bb in QCoreApplication::notifyInternal (this=0x90b4d78, receiver=0x947e370, event=0xac5c8e8) at kernel/qcoreapplication.cpp:731
#72 0x083f0c79 in sendEvent (receiver=0x0, event_type=0, data=0x904cf50) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#73 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x904cf50) at kernel/qcoreapplication.cpp:1372
#74 0x083f0e0d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1265
#75 0x0841a3c4 in sendPostedEvents (s=0x90c24d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#76 postEventSourceDispatch (s=0x90c24d0) at kernel/qeventdispatcher_glib.cpp:277
#77 0x02bc6aa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#78 0x02bc7270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#79 0x02bc7524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#80 0x0841a53c in QEventDispatcherGlib::processEvents (this=0x904caa8, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#81 0x059a3775 in QGuiEventDispatcherGlib::processEvents (this=0x904caa8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#82 0x083ec289 in QEventLoop::processEvents (this=0xbf9f8404, flags=...) at kernel/qeventloop.cpp:149
#83 0x083ec522 in QEventLoop::exec (this=0xbf9f8404, flags=...) at kernel/qeventloop.cpp:201
#84 0x083f0ecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#85 0x058ed8e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#86 0x005b35a5 in kdemain (argc=1, argv=0xbf9f8614) at ../../../../plasma/desktop/shell/main.cpp:118
#87 0x080485cb in main (argc=1, argv=0xbf9f8614) at plasma-desktop_dummy.cpp:3

Reported using DrKonqi