no display

/ # cd /root
~ # ls
minimer
~ # cd minimer
~/minimer # EGL_PLATFORM=hwcomposer test_hwcomposer
test_hwcomposer: test_common.cpp:370: HWComposer* create_hwcomposer_window(): Assertion `err == 0' failed.
Aborted (core dumped)
~/minimer # EGL_PLATFORM=hwcomposer /usr/lib/qt5/bin/qmlscene -platform hwcomposer main.
qml
library "libgui.so" wasn't loaded and RTLD_NOLOAD prevented it
Aborted (core dumped)