Version:            (using KDE KDE 3.4.1)
Installed from:    Compiled From Sources
Compiler:          gcc version 3.3.5-20050130 
OS:                Linux

I don't know if there is some particular regularity, but sometimes kwrite simply crashes, especially when I edit php files. Moreover. after crashing it also deletes the file it's been working on. Here is a trace of such a crash:

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Using host libthread_db library "/lib/libthread_db.so.1".
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`system-supplied DSO at 0xffffe000' has disappeared; keeping its symbols.
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[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 4124)]
[KCrash handler]
#5  0xb747003e in QGArray::find () from /usr/qt/3/lib/libqt-mt.so.3
#6  0xb686700d in KateCodeFoldingTree::cleanupUnneededNodes ()
   from /usr/kde/3.4/lib/kde3/libkatepart.so
#7  0xb68659ee in KateCodeFoldingTree::updateLine ()
   from /usr/kde/3.4/lib/kde3/libkatepart.so
#8  0xb67fda7c in KateBuffer::doHighlight ()
   from /usr/kde/3.4/lib/kde3/libkatepart.so
#9  0xb67fb694 in KateBuffer::editEnd ()
   from /usr/kde/3.4/lib/kde3/libkatepart.so
#10 0xb681c1e1 in KateDocument::editEnd ()
   from /usr/kde/3.4/lib/kde3/libkatepart.so
#11 0xb6822feb in KateDocument::typeChars ()
   from /usr/kde/3.4/lib/kde3/libkatepart.so
#12 0xb6873f6e in KateViewInternal::keyPressEvent ()
   from /usr/kde/3.4/lib/kde3/libkatepart.so
#13 0xb68733f1 in KateViewInternal::eventFilter ()
   from /usr/kde/3.4/lib/kde3/libkatepart.so
#14 0xb71d3f4f in QObject::activate_filters () from /usr/qt/3/lib/libqt-mt.so.3
#15 0xb71d3eab in QObject::event () from /usr/qt/3/lib/libqt-mt.so.3
#16 0xb7209fc7 in QWidget::event () from /usr/qt/3/lib/libqt-mt.so.3
#17 0xb717e844 in QApplication::internalNotify ()
   from /usr/qt/3/lib/libqt-mt.so.3
#18 0xb717e0fa in QApplication::notify () from /usr/qt/3/lib/libqt-mt.so.3
#19 0xb77a18bc in KApplication::notify () from /usr/kde/3.4/lib/libkdecore.so.4
#20 0xb7119f3b in QETWidget::translateKeyEvent ()
   from /usr/qt/3/lib/libqt-mt.so.3
#21 0xb7115735 in QApplication::x11ProcessEvent ()
   from /usr/qt/3/lib/libqt-mt.so.3
#22 0xb712bc31 in QEventLoop::processEvents () from /usr/qt/3/lib/libqt-mt.so.3
#23 0xb718fcd4 in QEventLoop::enterLoop () from /usr/qt/3/lib/libqt-mt.so.3
#24 0xb718fb96 in QEventLoop::exec () from /usr/qt/3/lib/libqt-mt.so.3
#25 0xb717ea4f in QApplication::exec () from /usr/qt/3/lib/libqt-mt.so.3
#26 0xb7fa99a1 in kdemain () from /usr/kde/3.4/lib/libkdeinit_kwrite.so
#27 0xb6ac651d in __libc_start_main () from /lib/libc.so.6
#28 0x080486c1 in ?? ()

any help would be appreciated. TIA!