Application: kate (3.4.0)
KDE Platform Version: 4.4.00 (KDE 4.4.0)
Qt Version: 4.6.2
Operating System: Linux 2.6.31.12-174.2.3.fc12.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
I edited a large textfile (468K) with german (austria) inline spellcheck enabled with one vertical split, saved and then closed the file wich was immediately followed by the crash.

 -- Backtrace:
Application: Kate (kate), signal: Segmentation fault
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7fa4c1bb7840 (LWP 16128))]

Thread 2 (Thread 0x7fa4b6611710 (LWP 16129)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fa4b67394f6 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fa4b6a12b20) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2304
#2  0x00007fa4b6739539 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7fa4b6a20bec) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1438
#3  0x00000037fe406a3a in start_thread (arg=<value optimized out>) at pthread_create.c:297
#4  0x00000037fd8de67d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa4c1bb7840 (LWP 16128)):
[KCrash Handler]
#5  operator!= (this=0x334b480, watcher=0x2116770) at /usr/include/QtCore/qbasicatomic.h:75
#6  detachShared (this=0x334b480, watcher=0x2116770) at /usr/include/QtCore/qlist.h:127
#7  removeAll (this=0x334b480, watcher=0x2116770) at /usr/include/QtCore/qlist.h:662
#8  KTextEditor::SmartRange::removeWatcher (this=0x334b480, watcher=0x2116770) at /usr/src/debug/kdelibs-4.4.0/interfaces/ktexteditor/smartrange.cpp:901
#9  0x00007fa4b6baffe3 in KateSpellingMenu::~KateSpellingMenu (this=0x2116760, __in_chrg=<value optimized out>) at /usr/src/debug/kdelibs-4.4.0/kate/spellcheck/spellingmenu.cpp:53
#10 0x00007fa4b6bb0089 in KateSpellingMenu::~KateSpellingMenu (this=0x2116760, __in_chrg=<value optimized out>) at /usr/src/debug/kdelibs-4.4.0/kate/spellcheck/spellingmenu.cpp:64
#11 0x00007fa4c579c6fc in QObjectPrivate::deleteChildren (this=0x1fccc40) at kernel/qobject.cpp:1986
#12 0x00007fa4c65d5a64 in QWidget::~QWidget (this=0x1fcc9e0, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1469
#13 0x00007fa4b6b4c9f0 in KateView::~KateView (this=0x1fcc9e0, __in_chrg=<value optimized out>) at /usr/src/debug/kdelibs-4.4.0/kate/view/kateview.cpp:289
#14 0x00007fa4b6b4cb89 in KateView::~KateView (this=0x1fcc9e0, __in_chrg=<value optimized out>) at /usr/src/debug/kdelibs-4.4.0/kate/view/kateview.cpp:289
#15 0x00007fa4c579c6fc in QObjectPrivate::deleteChildren (this=0x1e55980) at kernel/qobject.cpp:1986
#16 0x00007fa4c65d5a64 in QWidget::~QWidget (this=0x1e6e810, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1469
#17 0x00007fa4c69a3749 in QStackedWidget::~QStackedWidget (this=0x1e6e810, __in_chrg=<value optimized out>) at widgets/qstackedwidget.cpp:151
#18 0x00007fa4c579c6fc in QObjectPrivate::deleteChildren (this=0x1e554e0) at kernel/qobject.cpp:1986
#19 0x00007fa4c65d5a64 in QWidget::~QWidget (this=0x1e7aba0, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1469
#20 0x00007fa4c82995e9 in ?? () from /usr/lib64/libkateinterfaces.so.4
#21 0x00007fa4c579c6fc in QObjectPrivate::deleteChildren (this=0x1e527f0) at kernel/qobject.cpp:1986
#22 0x00007fa4c65d5a64 in QWidget::~QWidget (this=0x1e51780, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1469
#23 0x00007fa4c82947f9 in ?? () from /usr/lib64/libkateinterfaces.so.4
#24 0x00007fa4c579c6fc in QObjectPrivate::deleteChildren (this=0x1c67d30) at kernel/qobject.cpp:1986
#25 0x00007fa4c65d5a64 in QWidget::~QWidget (this=0x1c677a0, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1469
#26 0x00007fa4c7301599 in KVBox::~KVBox (this=0x1c677a0, __in_chrg=<value optimized out>) at /usr/src/debug/kdelibs-4.4.0/kdeui/widgets/kvbox.cpp:29
#27 0x00007fa4c82abfaa in ?? () from /usr/lib64/libkateinterfaces.so.4
#28 0x00007fa4c828bdb4 in ?? () from /usr/lib64/libkateinterfaces.so.4
#29 0x00007fa4c828be79 in ?? () from /usr/lib64/libkateinterfaces.so.4
#30 0x00007fa4c579d945 in QObject::event (this=0x1c4b670, e=0x3042390) at kernel/qobject.cpp:1231
#31 0x00007fa4c65cf1af in QWidget::event (this=0x1c4b670, event=0x3042390) at kernel/qwidget.cpp:8455
#32 0x00007fa4c696396b in QMainWindow::event (this=0x1c4b670, event=0x3042390) at widgets/qmainwindow.cpp:1433
#33 0x00007fa4c7306a03 in KXmlGuiWindow::event (this=0x1c4b670, ev=0x3042390) at /usr/src/debug/kdelibs-4.4.0/kdeui/xmlgui/kxmlguiwindow.cpp:131
#34 0x00007fa4c65849dc in QApplicationPrivate::notify_helper (this=0x18f6890, receiver=0x1c4b670, e=0x3042390) at kernel/qapplication.cpp:4300
#35 0x00007fa4c658aaab in QApplication::notify (this=<value optimized out>, receiver=0x1c4b670, e=0x3042390) at kernel/qapplication.cpp:4183
#36 0x00007fa4c72097a6 in KApplication::notify (this=0x7fffcb8643b0, receiver=0x1c4b670, event=0x3042390) at /usr/src/debug/kdelibs-4.4.0/kdeui/kernel/kapplication.cpp:302
#37 0x00007fa4c578e74c in QCoreApplication::notifyInternal (this=0x7fffcb8643b0, receiver=0x1c4b670, event=0x3042390) at kernel/qcoreapplication.cpp:704
#38 0x00007fa4c578f497 in sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x18d1520) at kernel/qcoreapplication.h:215
#39 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x18d1520) at kernel/qcoreapplication.cpp:1345
#40 0x00007fa4c57b4523 in sendPostedEvents (s=<value optimized out>) at kernel/qcoreapplication.h:220
#41 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#42 0x00007fa4c38c920e in g_main_dispatch (context=0x18f8120) at gmain.c:1960
#43 IA__g_main_context_dispatch (context=0x18f8120) at gmain.c:2513
#44 0x00007fa4c38ccbf8 in g_main_context_iterate (context=0x18f8120, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#45 0x00007fa4c38ccd1a in IA__g_main_context_iteration (context=0x18f8120, may_block=1) at gmain.c:2654
#46 0x00007fa4c57b4063 in QEventDispatcherGlib::processEvents (this=0x18d1030, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#47 0x00007fa4c6623a1e in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#48 0x00007fa4c578d192 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#49 0x00007fa4c578d45c in QEventLoop::exec (this=0x7fffcb864270, flags=...) at kernel/qeventloop.cpp:201
#50 0x00007fa4c578f749 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#51 0x00007fa4c84dbb9d in kdemain () from /usr/lib64/libkdeinit4_kate.so
#52 0x00000037fd81eb1d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=<value optimized out>) at libc-start.c:226
#53 0x00000000004006c9 in _start ()

Reported using DrKonqi