yanghxia@yanghxia-linux:~/qtcreator-2.4.0_rc_20111117/bin$ ./qtcreator
/usr/share/mime/application/x-executable.xml:1: parser error : Document is empty

^
/usr/share/mime/application/x-executable.xml:1: parser error : Document is empty

^
/usr/share/mime/application/x-shellscript.xml:1: parser error : Document is empty

^
/usr/share/mime/application/x-executable.xml:1: parser error : Document is empty

^
/usr/share/mime/application/x-shellscript.xml:1: parser error : Document is empty

^
/usr/share/mime/application/x-desktop.xml:1: parser error : Document is empty

^
/usr/share/mime/application/x-executable.xml:1: parser error : Document is empty

^
/usr/share/mime/application/x-executable.xml:1: parser error : Document is empty

^
/usr/share/mime/application/xml.xml:1: parser error : Document is empty

^
/usr/share/mime/application/x-executable.xml:1: parser error : Document is empty

^
/usr/share/mime/application/x-executable.xml:1: parser error : Document is empty

^
/home/yanghxia/.local/share/mime/application/vnd.nokia.qt.qmakeprofile.xml:1: parser error : Document is empty

^
QmlDesigner: Log file is: "/tmp/qmldesigner-logger-2011-11-17T15-26-28-q15558.txt" 
QColor::setNamedColor: Unknown color name 'images/standard.png'
/usr/share/mime/text/x-qml.xml:1: parser error : Document is empty

^
/usr/share/mime/text/plain.xml:1: parser error : Document is empty

^
QColor::setNamedColor: Unknown color name 'images/standard.png'
QColor::setNamedColor: Unknown color name 'z'
/usr/share/mime/text/x-qml.xml:1: parser error : Document is empty

^
/usr/share/mime/text/x-qml.xml:1: parser error : Document is empty

^
/usr/share/mime/text/x-qml.xml:1: parser error : Document is empty

^
QmlDesigner: Log file is: "/tmp/qmldesigner-logger-2011-11-17T15-28-40-b15558.txt" 
call callback 
Segmentation fault