[Bug 171991] kwidgetitemdelegate crash when QSortFilterProxyModel unhides filtered items

[FiNeX]

http://bugs.kde.org/show_bug.cgi?id=171991





--- Comment #2 from FiNeX <finex finex org>  2008-10-01 23:50:58 ---
Backtrace copied from comment #1:


Application: KHangMan (khangman), signal SIGSEGV
[Current thread is 0 (LWP 16506)]

Thread 2 (Thread 0xb43bdb90 (LWP 16710)):
#0  0xb7fdd424 in __kernel_vsyscall ()
#1  0xb6d20352 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/i686/cmov/libpthread.so.0
#2  0xb6d8651c in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb6d7b7c6 in ?? () from /usr/lib/libQtCore.so.4
#4  0xb6d8552e in ?? () from /usr/lib/libQtCore.so.4
#5  0xb6d1c4c0 in start_thread () from /lib/i686/cmov/libpthread.so.0
#6  0xb6b7a55e in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread 0xb604e740 (LWP 16506)):
[KCrash Handler]
#6  0x082e8433 in ?? ()
#7  0xb7dcf89f in KWidgetItemDelegatePool::findWidgets (this=0x837ee18,
idx=@0xbfbf5d18, option=@0xbfbf5c3c,
updateWidgets=KWidgetItemDelegatePool::UpdateWidgets)
    at
/home/compiler/kde/src/KDE/kdelibs/kdeui/itemviews/kwidgetitemdelegatepool.cpp:119
#8  0xb7dce1ce in KWidgetItemDelegatePrivate::updateRowRange (this=0x83f43f8,
parent=@0xbfbf5eb4, start=0, end=34, isRemoving=false)
    at
/home/compiler/kde/src/KDE/kdelibs/kdeui/itemviews/kwidgetitemdelegate.cpp:116
#9  0xb7dce38e in KWidgetItemDelegatePrivate::_k_slotRowsInserted
(this=0x83f43f8, parent=@0xbfbf5eb4, start=0, end=34)
    at
/home/compiler/kde/src/KDE/kdelibs/kdeui/itemviews/kwidgetitemdelegate.cpp:70
#10 0xb7dce49f in KWidgetItemDelegate::qt_metacall (this=0x83f40f0,
_c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfbf5e74) at
/home/compiler/kde/build/KDE/kdelibs/kdeui/kwidgetitemdelegate.moc:73
#11 0xb702400a in KNS::ItemsViewDelegate::qt_metacall (this=0x83f40f0,
_c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbfbf5e74)
    at
/home/compiler/kde/build/KDE/kdelibs/knewstuff/knewstuff2/moc_itemsviewdelegate.cpp:69
#12 0xb6e89bd0 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#13 0xb6e8a952 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#14 0xb6ec3a5f in QAbstractItemModel::rowsInserted () from
/usr/lib/libQtCore.so.4
#15 0xb6e705f3 in QAbstractItemModel::endInsertRows () from
/usr/lib/libQtCore.so.4
#16 0xb76f3503 in ?? () from /usr/lib/libQtGui.so.4
#17 0xb76f87f4 in ?? () from /usr/lib/libQtGui.so.4
#18 0xb76f8973 in ?? () from /usr/lib/libQtGui.so.4
#19 0xb7050e9c in KNS::DownloadDialog::slotUpdateSearch (this=0x83e1db8) at
/home/compiler/kde/src/KDE/kdelibs/knewstuff/knewstuff2/ui/downloaddialog.cpp:345
#20 0xb705631c in KNS::DownloadDialog::qt_metacall (this=0x83e1db8,
_c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfbf60f8)
    at
/home/compiler/kde/build/KDE/kdelibs/knewstuff/knewstuff2/downloaddialog.moc:118
#21 0xb6e89bd0 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#22 0xb6e8a952 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb6ec4857 in QTimer::timeout () from /usr/lib/libQtCore.so.4
#24 0xb6e9057e in QTimer::timerEvent () from /usr/lib/libQtCore.so.4
#25 0xb6e846af in QObject::event () from /usr/lib/libQtCore.so.4
#26 0xb71a8b3c in QApplicationPrivate::notify_helper () from
/usr/lib/libQtGui.so.4
#27 0xb71b09be in QApplication::notify () from /usr/lib/libQtGui.so.4
#28 0xb7dded4d in KApplication::notify (this=0xbfbf78b0, receiver=0x83e1380,
event=0xbfbf658c) at
/home/compiler/kde/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:307
#29 0xb6e750d1 in QCoreApplication::notifyInternal () from
/usr/lib/libQtCore.so.4
#30 0xb6ea3031 in ?? () from /usr/lib/libQtCore.so.4
#31 0xb6ea32cb in QEventDispatcherUNIX::processEvents () from
/usr/lib/libQtCore.so.4
#32 0xb7243276 in ?? () from /usr/lib/libQtGui.so.4
#33 0xb6e7379a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#34 0xb6e7395a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#35 0xb706500e in KNS::EnginePrivate::workflow (this=0x83e6c60) at
/home/compiler/kde/src/KDE/kdelibs/knewstuff/knewstuff2/engine.cpp:138
#36 0xb70651fc in KNS::Engine::downloadDialogModal (this=0x8328540) at
/home/compiler/kde/src/KDE/kdelibs/knewstuff/knewstuff2/engine.cpp:185
#37 0xb706552a in KNS::Engine::download () at
/home/compiler/kde/src/KDE/kdelibs/knewstuff/knewstuff2/engine.cpp:167
#38 0x08055f54 in KHangMan::slotDownloadNewStuff (this=0x81dac98) at
/home/compiler/kde/src/KDE/kdeedu/khangman/src/khangman.cpp:367
#39 0x08056b6b in KHangMan::qt_metacall (this=0x81dac98,
_c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfbf6a9c) at
/home/compiler/kde/build/KDE/kdeedu/khangman/src/khangman.moc:86
#40 0xb6e89bd0 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#41 0xb6e89fd0 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#42 0xb71a2841 in QAction::triggered () from /usr/lib/libQtGui.so.4
#43 0xb71a31af in QAction::activate () from /usr/lib/libQtGui.so.4
#44 0xb757c594 in ?? () from /usr/lib/libQtGui.so.4
#45 0xb757d022 in QMenu::mouseReleaseEvent () from /usr/lib/libQtGui.so.4
#46 0xb7ebcde5 in KMenu::mouseReleaseEvent (this=0x8300d80, e=0xbfbf723c) at
/home/compiler/kde/src/KDE/kdelibs/kdeui/widgets/kmenu.cpp:452
#47 0xb7200b62 in QWidget::event () from /usr/lib/libQtGui.so.4
#48 0xb757f319 in QMenu::event () from /usr/lib/libQtGui.so.4
#49 0xb71a8b3c in QApplicationPrivate::notify_helper () from
/usr/lib/libQtGui.so.4
#50 0xb71b1371 in QApplication::notify () from /usr/lib/libQtGui.so.4
#51 0xb7dded4d in KApplication::notify (this=0xbfbf78b0, receiver=0x8300d80,
event=0xbfbf723c) at
/home/compiler/kde/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:307
#52 0xb6e750d1 in QCoreApplication::notifyInternal () from
/usr/lib/libQtCore.so.4
#53 0xb71b05fe in QApplicationPrivate::sendMouseEvent () from
/usr/lib/libQtGui.so.4
#54 0xb721a3e7 in ?? () from /usr/lib/libQtGui.so.4
#55 0xb7218f81 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#56 0xb7243548 in ?? () from /usr/lib/libQtGui.so.4
#57 0xb6e7379a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#58 0xb6e7395a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#59 0xb6e76015 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#60 0xb71a89b7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#61 0x08059f88 in main (argc=5, argv=0xbfbf7bb4) at
/home/compiler/kde/src/KDE/kdeedu/khangman/src/main.cpp:137


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