Application: kate (3.4.2)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-24-generic x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
Kate crash after attept to close file or restart session on old file no longer in session opened with session in three copies.  clicking on one sometimes produces ~10 empty spaces where docments would be below it.

The crash can be reproduced every time.

 -- Backtrace:
Application: Kate (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#5  QModelIndex::isValid (this=0x265ae60, proxyIndex=...) at /usr/include/qt4/QtCore/qabstractitemmodel.h:77
#6  KateViewDocumentProxyModel::mapToSource (this=0x265ae60, proxyIndex=...) at ../../../kate/app/kateviewdocumentproxymodel.cpp:346
#7  0x00007f6987dc37b9 in KateViewDocumentProxyModel::sort (this=0x265ae60) at ../../../kate/app/kateviewdocumentproxymodel.cpp:620
#8  0x00007f6987dc40e8 in KateViewDocumentProxyModel::opened (this=0x265ae60, index=...) at ../../../kate/app/kateviewdocumentproxymodel.cpp:216
#9  0x00007f6987d97c8f in KateMainWindow::slotWindowActivated (this=0x25ce560) at ../../../kate/app/katemainwindow.cpp:566
#10 0x00007f6987d9c613 in KateMainWindow::qt_metacall (this=0x25ce560, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe072d080) at ./katemainwindow.moc:181
#11 0x00007f698f43be3f in QMetaObject::activate (sender=0x259c0a0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x2d53090) at kernel/qobject.cpp:3293
#12 0x00007f6987da164c in KateViewManager::activateView (this=0x259c0a0, view=0x28b8510) at ../../../kate/app/kateviewmanager.cpp:469
#13 0x00007f6987da243f in KateViewManager::createView (this=0x259c0a0, doc=<value optimized out>) at ../../../kate/app/kateviewmanager.cpp:308
#14 0x00007f6987da38aa in KateViewManager::qt_metacall (this=0x259c0a0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe072d2d0) at ./kateviewmanager.moc:138
#15 0x00007f698f43be3f in QMetaObject::activate (sender=0x20a4220, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x2d53090) at kernel/qobject.cpp:3293
#16 0x00007f6987d88392 in KateDocManager::documentDeleted (this=0x7fffe072cd90, _t1=0x21ae670) at ./katedocmanager.moc:138
#17 0x00007f6987d897bb in KateDocManager::deleteDoc (this=0x20a4220, doc=0x21ae670) at ../../../kate/app/katedocmanager.cpp:218
#18 0x00007f6987d8e532 in KateDocManager::closeDocument (this=0x20a4220, doc=0x21ae670, closeUrl=true) at ../../../kate/app/katedocmanager.cpp:366
#19 0x00007f6987d9f527 in KateViewManager::slotDocumentClose (this=<value optimized out>, document=0x21ae670) at ../../../kate/app/kateviewmanager.cpp:205
#20 0x00007f6987da3811 in KateViewManager::qt_metacall (this=0x259c0a0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe072da60) at ./kateviewmanager.moc:130
#21 0x00007f698f43be3f in QMetaObject::activate (sender=0x2661a10, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x2d53090) at kernel/qobject.cpp:3293
#22 0x00007f698e5bf032 in QAction::triggered (this=0x7fffe072cd90, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#23 0x00007f698e5c10ab in QAction::activate (this=0x2661a10, event=<value optimized out>) at kernel/qaction.cpp:1255
#24 0x00007f698e5c29b7 in QAction::event (this=0x7fffe072cd90, e=<value optimized out>) at kernel/qaction.cpp:1181
#25 0x00007f698f89af3d in KAction::event (this=0x7fffe072cd90, event=0x7fffe072e0d0) at ../../kdeui/actions/kaction.cpp:129
#26 0x00007f698e5c522c in QApplicationPrivate::notify_helper (this=0x20199e0, receiver=0x2661a10, e=0x7fffe072e0d0) at kernel/qapplication.cpp:4300
#27 0x00007f698e5cb6fb in QApplication::notify (this=0x7fffe072f710, receiver=0x2661a10, e=0x7fffe072e0d0) at kernel/qapplication.cpp:4183
#28 0x00007f698f970526 in KApplication::notify (this=0x7fffe072f710, receiver=0x2661a10, event=0x7fffe072e0d0) at ../../kdeui/kernel/kapplication.cpp:302
#29 0x00007f698f42906c in QCoreApplication::notifyInternal (this=0x7fffe072f710, receiver=0x2661a10, event=0x7fffe072e0d0) at kernel/qcoreapplication.cpp:704
#30 0x00007f698e600e86 in QCoreApplication::sendEvent (this=<value optimized out>, e=0x7fffe072e6d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#31 QShortcutMap::dispatchEvent (this=<value optimized out>, e=0x7fffe072e6d0) at kernel/qshortcutmap.cpp:879
#32 0x00007f698e602c97 in QShortcutMap::tryShortcutEvent (this=0x2019b08, o=<value optimized out>, e=0x7fffe072e6d0) at kernel/qshortcutmap.cpp:364
#33 0x00007f698e5cd268 in QApplication::notify (this=0x7fffe072f710, receiver=0x26532b0, e=0x7fffe072e6d0) at kernel/qapplication.cpp:3746
#34 0x00007f698f970526 in KApplication::notify (this=0x7fffe072f710, receiver=0x26532b0, event=0x7fffe072e6d0) at ../../kdeui/kernel/kapplication.cpp:302
#35 0x00007f698f42906c in QCoreApplication::notifyInternal (this=0x7fffe072f710, receiver=0x26532b0, event=0x7fffe072e6d0) at kernel/qcoreapplication.cpp:704
#36 0x00007f698e67016a in QKeyMapper::sendKeyEvent (keyWidget=0x26532b0, grab=<value optimized out>, type=QEvent::KeyPress, code=87, modifiers=<value optimized out>, text=..., autorepeat=false, 
    count=1, nativeScanCode=25, nativeVirtualKey=119, nativeModifiers=20) at kernel/qkeymapper_x11.cpp:1861
#37 0x00007f698e6726f0 in QKeyMapperPrivate::translateKeyEvent (this=0x7fffe072e8b0, keyWidget=0x26532b0, event=<value optimized out>, grab=96) at kernel/qkeymapper_x11.cpp:1831
#38 0x00007f698e649904 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffe072f2a0) at kernel/qapplication_x11.cpp:3394
#39 0x00007f698e675882 in x11EventSourceDispatch (s=0x201ce30, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#40 0x00007f698a80a8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#41 0x00007f698a80e748 in ?? () from /lib/libglib-2.0.so.0
#42 0x00007f698a80e8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#43 0x00007f698f452513 in QEventDispatcherGlib::processEvents (this=0x1fa4140, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#44 0x00007f698e67546e in QGuiEventDispatcherGlib::processEvents (this=0x7fffe072cd90, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#45 0x00007f698f427992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#46 0x00007f698f427d6c in QEventLoop::exec (this=0x7fffe072f5d0, flags=) at kernel/qeventloop.cpp:201
#47 0x00007f698f42baab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#48 0x00007f6987febeed in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../kate/app/katemain.cpp:377
#49 0x00000000004070f3 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=1, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4f9 "0") at ../../kinit/kinit.cpp:717
#50 0x0000000000407cb0 in handle_launcher_request (sock=7, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#51 0x000000000040823a in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1402
#52 0x0000000000408e22 in main (argc=2, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1845

Possible duplicates by query: bug 237072, bug 234211.

Reported using DrKonqi