Application: kate (3.8.1)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-21-generic x86_64
Distribution: Ubuntu precise (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
i was just editing the code that i wrote earlier..
3 file were opened in tabs. none of the files are big (25 lines, 350 lines and 700 lines)

-- Backtrace:
Application: Kate (kate), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa205d18780 (LWP 5115))]

Thread 3 (Thread 0x7fa1f281d700 (LWP 5116)):
#0  0x00007fa202c46d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa1f3602222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fa1f3602259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fa202c42e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007fa2056594bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fa1f06a3700 (LWP 5117)):
#0  0x00007fa202c4605d in pthread_mutex_unlock () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa2027b15a1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa202775a2d in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa202775f96 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa202776124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa203538426 in QEventDispatcherGlib::processEvents (this=0x7fa1e80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fa203507c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fa203507ed7 in QEventLoop::exec (this=0x7fa1f06a2dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fa203406fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007fa2034e79ff in QInotifyFileSystemWatcherEngine::run (this=0x29570b0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007fa203409fcb in QThreadPrivate::start (arg=0x29570b0) at thread/qthread_unix.cpp:298
#11 0x00007fa202c42e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#12 0x00007fa2056594bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa205d18780 (LWP 5115)):
[KCrash Handler]
#6  KateCodeFoldingNode::setParent (this=0x2bc2180) at ../../part/syntax/katecodefolding.cpp:340
#7  0x00007fa1f3cb7c57 in KateCodeFoldingNode::updateSelf (this=0x2bc2180) at ../../part/syntax/katecodefolding.cpp:439
#8  0x00007fa1f3cbb865 in KateCodeFoldingTree::deleteEndNode (this=<optimized out>, deletedNode=0x2ede870) at ../../part/syntax/katecodefolding.cpp:615
#9  0x00007fa1f3cbc145 in deleteNode (deletedNode=<optimized out>, this=0x1ff5150) at ../../part/syntax/katecodefolding.h:353
#10 KateCodeFoldingTree::updateMapping (this=0x1ff5150, line=164, newColumns=..., virtualNodeIndex=-1, virtualColumn=0) at ../../part/syntax/katecodefolding.cpp:1578
#11 0x00007fa1f3cbc2ec in KateCodeFoldingTree::updateLine (this=0x1ff5150, line=164, regionChanges=..., updated=0x7fff64a5661e, changed=<optimized out>, colsChanged=false) at ../../part/syntax/katecodefolding.cpp:1504
#12 0x00007fa1f3c583a1 in KateBuffer::doHighlight (this=<optimized out>, startLine=108, endLine=172, invalidate=false) at ../../part/document/katebuffer.cpp:706
#13 0x00007fa1f3c38daa in KateDocument::kateTextLine (this=0x1ff4ca0, i=108) at ../../part/document/katedocument.cpp:4786
#14 0x00007fa1f3c884d8 in KateLineLayout::textLine (this=0x2e6eec0, reloadForce=<optimized out>) at ../../part/render/katelinelayout.cpp:67
#15 0x00007fa1f3c807d7 in KateRenderer::layoutLine (this=0x231a780, lineLayout=..., maxwidth=1267, cacheLayout=true) at ../../part/render/katerenderer.cpp:839
#16 0x00007fa1f3c8530d in KateLayoutCache::line (this=0x231d610, realLine=108, virtualLine=108) at ../../part/render/katelayoutcache.cpp:318
#17 0x00007fa1f3cd6cc0 in KateViewInternal::viewLineOffset (this=0x231b900, virtualCursor=..., offset=38, keepX=false) at ../../part/view/kateviewinternal.cpp:1327
#18 0x00007fa1f3cd936e in KateViewInternal::makeVisible (this=0x231b900, c=..., endCol=1, force=false, center=<optimized out>, calledExternally=false) at ../../part/view/kateviewinternal.cpp:619
#19 0x00007fa1f3cda99f in KateViewInternal::updateCursor (this=0x231b900, newCursor=..., force=<optimized out>, center=false, calledExternally=false) at ../../part/view/kateviewinternal.cpp:1844
#20 0x00007fa1f3cdb500 in KateViewInternal::slotRegionVisibilityChanged (this=0x231b900) at ../../part/view/kateviewinternal.cpp:674
#21 0x00007fa20351d281 in QMetaObject::activate (sender=0x1ff5150, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#22 0x00007fa1f3cbadd8 in KateCodeFoldingTree::unfoldNode (this=0x1ff5150, node=0x1fea200) at ../../part/syntax/katecodefolding.cpp:1408
#23 0x00007fa1f3cbb6b5 in KateCodeFoldingTree::deleteNodeFromMap (this=0x1ff5150, node=0x1fea200) at ../../part/syntax/katecodefolding.cpp:600
#24 0x00007fa1f3cbb793 in KateCodeFoldingTree::deleteStartNode (this=0x1ff5150, deletedNode=0x1fea200) at ../../part/syntax/katecodefolding.cpp:626
#25 0x00007fa1f3cbc09d in deleteNode (deletedNode=<optimized out>, this=0x1ff5150) at ../../part/syntax/katecodefolding.h:353
#26 KateCodeFoldingTree::updateMapping (this=0x1ff5150, line=160, newColumns=..., virtualNodeIndex=-1, virtualColumn=0) at ../../part/syntax/katecodefolding.cpp:1578
#27 0x00007fa1f3cbc2ec in KateCodeFoldingTree::updateLine (this=0x1ff5150, line=160, regionChanges=..., updated=0x7fff64a5731e, changed=<optimized out>, colsChanged=false) at ../../part/syntax/katecodefolding.cpp:1504
#28 0x00007fa1f3c583a1 in KateBuffer::doHighlight (this=<optimized out>, startLine=108, endLine=172, invalidate=false) at ../../part/document/katebuffer.cpp:706
#29 0x00007fa1f3c38daa in KateDocument::kateTextLine (this=0x1ff4ca0, i=108) at ../../part/document/katedocument.cpp:4786
#30 0x00007fa1f3c884d8 in KateLineLayout::textLine (this=0x2c73870, reloadForce=<optimized out>) at ../../part/render/katelinelayout.cpp:67
#31 0x00007fa1f3c851c9 in KateLayoutCache::line (this=0x231d610, realLine=<optimized out>, virtualLine=108) at ../../part/render/katelayoutcache.cpp:298
#32 0x00007fa1f3c8638a in KateLayoutCache::updateViewCache (this=0x231d610, startPos=..., newViewLineCount=<optimized out>, viewLinesScrolled=<optimized out>) at ../../part/render/katelayoutcache.cpp:270
#33 0x00007fa1f3cd9c4d in KateViewInternal::tagLines (this=0x231b900, start=..., end=..., realCursors=<optimized out>) at ../../part/view/kateviewinternal.cpp:1975
#34 0x00007fa1f3cda0bc in KateViewInternal::tagLines (this=0x231b900, start=106, end=<optimized out>, realLines=true) at ../../part/view/kateviewinternal.cpp:1945
#35 0x00007fa1f3c3e8a2 in KateDocument::tagLines (this=<optimized out>, start=106, end=172) at ../../part/document/katedocument.cpp:3615
#36 0x00007fa1f3c4dd06 in qt_static_metacall (_a=0x7fff64a57980, _id=<optimized out>, _o=0x1ff4ca0, _c=<optimized out>) at ./katedocument.moc:281
#37 KateDocument::qt_static_metacall (_o=0x1ff4ca0, _c=<optimized out>, _id=<optimized out>, _a=0x7fff64a57980) at ./katedocument.moc:205
#38 0x00007fa20351d281 in QMetaObject::activate (sender=0x1ff5080, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff64a57980) at kernel/qobject.cpp:3547
#39 0x00007fa1f3c5709f in KateBuffer::tagLines (this=<optimized out>, _t1=106, _t2=172) at ./katebuffer.moc:112
#40 0x00007fa1f3c587c0 in KateBuffer::doHighlight (this=<optimized out>, startLine=106, endLine=108, invalidate=true) at ../../part/document/katebuffer.cpp:736
#41 0x00007fa1f3c3fc8c in editEnd (this=0x1ff4ca0) at ../../part/document/katedocument.cpp:854
#42 KateDocument::editEnd (this=0x1ff4ca0) at ../../part/document/katedocument.cpp:835
#43 0x00007fa1f3c41c71 in KateDocument::typeChars (this=0x1ff4ca0, view=0x231ab50, chars=...) at ../../part/document/katedocument.cpp:2686
#44 0x00007fa1f3ce044f in keyPressEvent (e=0x7fff64a58620, this=0x231b900) at ../../part/view/kateviewinternal.cpp:2366
#45 KateViewInternal::keyPressEvent (this=0x231b900, e=0x7fff64a58620) at ../../part/view/kateviewinternal.cpp:2212
#46 0x00007fa1f3cd7b50 in KateViewInternal::eventFilter (this=0x231b900, obj=0x231b900, e=0x7fff64a58620) at ../../part/view/kateviewinternal.cpp:2164
#47 0x00007fa203509028 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x231b900, event=0x7fff64a58620) at kernel/qcoreapplication.cpp:986
#48 0x00007fa204a6485f in notify_helper (e=0x7fff64a58620, receiver=0x231b900, this=0x1dc7560) at kernel/qapplication.cpp:4555
#49 QApplicationPrivate::notify_helper (this=0x1dc7560, receiver=0x231b900, e=0x7fff64a58620) at kernel/qapplication.cpp:4531
#50 0x00007fa204a69dd5 in QApplication::notify (this=<optimized out>, receiver=<optimized out>, e=0x7fff64a58620) at kernel/qapplication.cpp:4000
#51 0x00007fa203d13906 in KApplication::notify (this=0x7fff64a59570, receiver=0x231b900, event=0x7fff64a58620) at ../../kdeui/kernel/kapplication.cpp:311
#52 0x00007fa203508e9c in QCoreApplication::notifyInternal (this=0x7fff64a59570, receiver=0x231b900, event=0x7fff64a58620) at kernel/qcoreapplication.cpp:876
#53 0x00007fa204b08c59 in QKeyMapper::sendKeyEvent (keyWidget=0x231b900, grab=<optimized out>, type=QEvent::KeyPress, code=39, modifiers=..., text=..., autorepeat=false, count=1, nativeScanCode=48, nativeVirtualKey=39, nativeModifiers=0) at kernel/qkeymapper_x11.cpp:1866
#54 0x00007fa204b090cb in QKeyMapperPrivate::translateKeyEvent (this=0x1dffd40, keyWidget=0x231b900, event=0x7fff64a59110, grab=false) at kernel/qkeymapper_x11.cpp:1836
#55 0x00007fa204ae3637 in QApplication::x11ProcessEvent (this=0x7fff64a59570, event=0x7fff64a59110) at kernel/qapplication_x11.cpp:3625
#56 0x00007fa204b0d0e2 in x11EventSourceDispatch (s=0x1dc3d00, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#57 0x00007fa202775c9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#58 0x00007fa202776060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#59 0x00007fa202776124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#60 0x00007fa2035383bf in QEventDispatcherGlib::processEvents (this=0x1dc20f0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#61 0x00007fa204b0cd6e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#62 0x00007fa203507c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#63 0x00007fa203507ed7 in QEventLoop::exec (this=0x7fff64a594b0, flags=...) at kernel/qeventloop.cpp:204
#64 0x00007fa20350cf67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#65 0x00007fa20592a0d5 in kdemain (argc=<optimized out>, argv=<optimized out>) at ../../../kate/app/katemain.cpp:377
#66 0x00007fa20558876d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#67 0x0000000000400661 in _start ()

Possible duplicates by query: bug 296748, bug 294756, bug 291150, bug 278602.

Reported using DrKonqi