Opengles2 in Qt 5.2 error: Could not create the egl surface: error = 0x300b

[richard chen]

When I run opengles2 example in Qt5.2, I got following error, any ideas?

<qt5_git/examples/opengl/hellowindow$ ./hellowindow -platform eglfs
QIconvCodec::convertFromUnicode: using Latin-1 for conversion, iconv_open failed
QIconvCodec::convertToUnicode: using Latin-1 for conversion, iconv_open failed
EGL Error : Could not create the egl surface: error = 0x300b

Aborted
<qt5_git/examples/opengl/hellowindow$ ./hellowindow -platform minimalegl
QIconvCodec::convertFromUnicode: using Latin-1 for conversion, iconv_open failed
QIconvCodec::convertToUnicode: using Latin-1 for conversion, iconv_open failed
Opened display 0x48e859a0

Initialized display 1 4

Could not create the egl surface: error = 0x300b

EGL error
Aborted
root@freescale /home/xicai/qt5_git/examples/opengl/hellowindow$