Application: kate (3.6.5)
KDE Platform Version: 4.6.5 (4.6.5) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-13-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:

(gdb) c
Continuing.
[New Thread 0x7f67d24bf700 (LWP 2005)]

Program received signal SIGSEGV, Segmentation fault.
0x00007f67e6e68a35 in bidiItemize (this=0x1f8fb50) at text/qtextengine.cpp:361
361     text/qtextengine.cpp: Nie ma takiego pliku ani katalogu.
        in text/qtextengine.cpp
(gdb) bt
#0  0x00007f67e6e68a35 in bidiItemize (this=0x1f8fb50) at text/qtextengine.cpp:361
#1  QTextEngine::itemize (this=0x1f8fb50) at text/qtextengine.cpp:1459
#2  0x00007f67e6e6decc in QTextLayout::beginLayout (this=0x23d10b0)
    at text/qtextlayout.cpp:613
#3  0x00007f67d6f41bfe in KateRenderer::layoutLine (this=0x1ccba10, lineLayout=..., 
    maxwidth=1360, cacheLayout=true)
    at /home/tomek2/kde/kate/part/render/katerenderer.cpp:882
#4  0x00007f67d6f46ef7 in KateLayoutCache::line (this=0x1cd0440, realLine=460, 
    virtualLine=120) at /home/tomek2/kde/kate/part/render/katelayoutcache.cpp:299
#5  0x00007f67d6f46c6b in KateLayoutCache::updateViewCache (this=0x1cd0440, startPos=..., 
    newViewLineCount=37, viewLinesScrolled=0)
    at /home/tomek2/kde/kate/part/render/katelayoutcache.cpp:270
#6  0x00007f67d6fa9562 in KateViewInternal::tagLines (this=0x1ccd350, start=..., end=..., 
    realCursors=true) at /home/tomek2/kde/kate/part/view/kateviewinternal.cpp:1975
#7  0x00007f67d6fa92e2 in KateViewInternal::tagLines (this=0x1ccd350, start=457, end=526, 
    realLines=true) at /home/tomek2/kde/kate/part/view/kateviewinternal.cpp:1945
#8  0x00007f67d6f98a5c in KateView::tagLines (this=0x1ccbbe0, start=457, end=526, 
    realLines=true) at /home/tomek2/kde/kate/part/view/kateview.cpp:1682
#9  0x00007f67d6ef9c3c in KateDocument::tagLines (this=0x1a28e70, start=457, end=526)
    at /home/tomek2/kde/kate/part/document/katedocument.cpp:3615
#10 0x00007f67d6ee5e00 in KateDocument::qt_metacall (this=0x1a28e70, 
    _c=QMetaObject::InvokeMetaMethod, _id=51, _a=0x7fff03c404a0)
    at /home/tomek2/kde/build/part/katedocument.moc:350
---Type <return> to continue, or q <return> to quit---

The crash can be reproduced some of the time.

-- Backtrace:
Application: Kate (kate), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f67e955e780 (LWP 1997))]

Thread 4 (Thread 0x7f67d5f8c700 (LWP 1998)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f67d749c2a2 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f67d77b5180) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f67d749c2d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f67d77c3254) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f67e307ed8c in start_thread (arg=0x7f67d5f8c700) at pthread_create.c:304
#4  0x00007f67e4eec04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f67d2ec4700 (LWP 1999)):
#0  0x00007f67e4edef03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f67e19d2104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f67e19d2639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f67e5ac1446 in QEventDispatcherGlib::processEvents (this=0x1f999e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f67e5a95882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f67e5a95abc in QEventLoop::exec (this=0x7f67d2ec3dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f67e59ac924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f67e5a77c2f in QInotifyFileSystemWatcherEngine::run (this=0x1e74850) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f67e59af175 in QThreadPrivate::start (arg=0x1e74850) at thread/qthread_unix.cpp:320
#9  0x00007f67e307ed8c in start_thread (arg=0x7f67d2ec4700) at pthread_create.c:304
#10 0x00007f67e4eec04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f67d24bf700 (LWP 2005)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f67d24beae0 in ?? ()
#2  0x00007fff03de17b2 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x7f67e955e780 (LWP 1997)):
[KCrash Handler]
#6  0x00007f67e6e68a35 in bidiItemize (this=0x1f8fb50) at text/qtextengine.cpp:361
#7  QTextEngine::itemize (this=0x1f8fb50) at text/qtextengine.cpp:1459
#8  0x00007f67e6e6decc in QTextLayout::beginLayout (this=0x23d10b0) at text/qtextlayout.cpp:613
#9  0x00007f67d6f41bfe in KateRenderer::layoutLine (this=0x1ccba10, lineLayout=..., maxwidth=1360, cacheLayout=true) at /home/tomek2/kde/kate/part/render/katerenderer.cpp:882
#10 0x00007f67d6f46ef7 in KateLayoutCache::line (this=0x1cd0440, realLine=460, virtualLine=120) at /home/tomek2/kde/kate/part/render/katelayoutcache.cpp:299
#11 0x00007f67d6f46c6b in KateLayoutCache::updateViewCache (this=0x1cd0440, startPos=..., newViewLineCount=37, viewLinesScrolled=0) at /home/tomek2/kde/kate/part/render/katelayoutcache.cpp:270
#12 0x00007f67d6fa9562 in KateViewInternal::tagLines (this=0x1ccd350, start=..., end=..., realCursors=true) at /home/tomek2/kde/kate/part/view/kateviewinternal.cpp:1975
#13 0x00007f67d6fa92e2 in KateViewInternal::tagLines (this=0x1ccd350, start=457, end=526, realLines=true) at /home/tomek2/kde/kate/part/view/kateviewinternal.cpp:1945
#14 0x00007f67d6f98a5c in KateView::tagLines (this=0x1ccbbe0, start=457, end=526, realLines=true) at /home/tomek2/kde/kate/part/view/kateview.cpp:1682
#15 0x00007f67d6ef9c3c in KateDocument::tagLines (this=0x1a28e70, start=457, end=526) at /home/tomek2/kde/kate/part/document/katedocument.cpp:3615
#16 0x00007f67d6ee5e00 in KateDocument::qt_metacall (this=0x1a28e70, _c=QMetaObject::InvokeMetaMethod, _id=51, _a=0x7fff03c404a0) at /home/tomek2/kde/build/part/katedocument.moc:350
#17 0x00007f67e5aab5f8 in QMetaObject::activate (sender=0x1a22710, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff03c404a0) at kernel/qobject.cpp:3287
#18 0x00007f67d6f103d1 in KateBuffer::tagLines (this=0x1a22710, _t1=457, _t2=526) at /home/tomek2/kde/build/part/katebuffer.moc:98
#19 0x00007f67d6f1226c in KateBuffer::doHighlight (this=0x1a22710, startLine=457, endLine=463, invalidate=true) at /home/tomek2/kde/kate/part/document/katebuffer.cpp:736
#20 0x00007f67d6f10697 in KateBuffer::editEnd (this=0x1a22710) at /home/tomek2/kde/kate/part/document/katebuffer.cpp:122
#21 0x00007f67d6eebccd in KateDocument::editEnd (this=0x1a28e70) at /home/tomek2/kde/kate/part/document/katedocument.cpp:854
#22 0x00007f67d6f18316 in KateUndoManager::endUndo (this=0x1a29520) at /home/tomek2/kde/kate/part/undo/kateundomanager.cpp:135
#23 0x00007f67d6f1442d in KateUndoGroup::undo (this=0x23e8fa0, view=0x1ccbbe0) at /home/tomek2/kde/kate/part/undo/kateundo.cpp:273
#24 0x00007f67d6f188d5 in KateUndoManager::undo (this=0x1a29520) at /home/tomek2/kde/kate/part/undo/kateundomanager.cpp:242
#25 0x00007f67d6eee997 in KateDocument::undo (this=0x1a28e70) at /home/tomek2/kde/kate/part/document/katedocument.cpp:1419
#26 0x00007f67d6ee5aac in KateDocument::qt_metacall (this=0x1a28e70, _c=QMetaObject::InvokeMetaMethod, _id=36, _a=0x7fff03c408f0) at /home/tomek2/kde/build/part/katedocument.moc:331
#27 0x00007f67e5aab5f8 in QMetaObject::activate (sender=0x1cfbc30, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff03c408f0) at kernel/qobject.cpp:3287
#28 0x00007f67e6c0f122 in QAction::triggered (this=<value optimized out>, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#29 0x00007f67e6c0f30f in QAction::activate (this=0x1cfbc30, event=<value optimized out>) at kernel/qaction.cpp:1257
#30 0x00007f67e6c0f47f in QAction::event (this=<value optimized out>, e=<value optimized out>) at kernel/qaction.cpp:1183
#31 0x00007f67e785a74a in KAction::event (this=<value optimized out>, event=0x7fff03c40f30) at ../../kdeui/actions/kaction.cpp:131
#32 0x00007f67e6c159f4 in QApplicationPrivate::notify_helper (this=0x174a1c0, receiver=0x1cfbc30, e=0x7fff03c40f30) at kernel/qapplication.cpp:4462
#33 0x00007f67e6c1a3ba in QApplication::notify (this=<value optimized out>, receiver=0x1cfbc30, e=0x7fff03c40f30) at kernel/qapplication.cpp:4341
#34 0x00007f67e79396c6 in KApplication::notify (this=0x7fff03c42430, receiver=0x1cfbc30, event=0x7fff03c40f30) at ../../kdeui/kernel/kapplication.cpp:311
#35 0x00007f67e5a9649c in QCoreApplication::notifyInternal (this=0x7fff03c42430, receiver=0x1cfbc30, event=0x7fff03c40f30) at kernel/qcoreapplication.cpp:731
#36 0x00007f67e6c47bf0 in sendEvent (this=<value optimized out>, e=0x7fff03c41500) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#37 QShortcutMap::dispatchEvent (this=<value optimized out>, e=0x7fff03c41500) at kernel/qshortcutmap.cpp:879
#38 0x00007f67e6c49098 in QShortcutMap::tryShortcutEvent (this=0x174a2e8, o=<value optimized out>, e=0x7fff03c41500) at kernel/qshortcutmap.cpp:364
#39 0x00007f67e6c1bd25 in QApplication::notify (this=0x7fff03c42430, receiver=0x1ccd350, e=0x7fff03c41500) at kernel/qapplication.cpp:3904
#40 0x00007f67e79396c6 in KApplication::notify (this=0x7fff03c42430, receiver=0x1ccd350, event=0x7fff03c41500) at ../../kdeui/kernel/kapplication.cpp:311
#41 0x00007f67e5a9649c in QCoreApplication::notifyInternal (this=0x7fff03c42430, receiver=0x1ccd350, event=0x7fff03c41500) at kernel/qcoreapplication.cpp:731
#42 0x00007f67e6cbb3d9 in QKeyMapper::sendKeyEvent (keyWidget=0x1ccd350, grab=<value optimized out>, type=QEvent::KeyPress, code=90, modifiers=..., text=..., autorepeat=false, count=1, nativeScanCode=52, nativeVirtualKey=122, nativeModifiers=4) at kernel/qkeymapper_x11.cpp:1866
#43 0x00007f67e6cbb856 in QKeyMapperPrivate::translateKeyEvent (this=0x178d9a0, keyWidget=0x1ccd350, event=0x7fff03c42090, grab=false) at kernel/qkeymapper_x11.cpp:1836
#44 0x00007f67e6c9672f in QApplication::x11ProcessEvent (this=0x7fff03c42430, event=0x7fff03c42090) at kernel/qapplication_x11.cpp:3573
#45 0x00007f67e6cbf842 in x11EventSourceDispatch (s=0x174fa90, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#46 0x00007f67e19d1bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f67e19d23a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f67e19d2639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007f67e5ac13ef in QEventDispatcherGlib::processEvents (this=0x16f34f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#50 0x00007f67e6cbf4de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#51 0x00007f67e5a95882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#52 0x00007f67e5a95abc in QEventLoop::exec (this=0x7fff03c42390, flags=...) at kernel/qeventloop.cpp:201
#53 0x00007f67e5a99ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#54 0x00007f67e917e2ab in kdemain (argc=1, argv=0x7fff03c43978) at /home/tomek2/kde/kate/kate/app/katemain.cpp:377
#55 0x0000000000400846 in main (argc=1, argv=0x7fff03c43978) at /home/tomek2/kde/build/kate/app/kate_dummy.cpp:3

This bug may be a duplicate of or related to bug 294666.

Reported using DrKonqi