[root@Sailfish ~]# /usr/lib/qt5/bin/qmlscene main.qml
EGLFS: Screen Info
 - Physical size: QSizeF(155, 93)
 - Screen size: QSize(800, 480)
 - Screen depth: 32
== hwcomposer module ==
 * Address: 0xb3ca1004
 * Mod[ 1092.324000] ov5640_s_power.............1944...........
ule API Version: 1
 * HAL API Version: 100
 * Identifier: hwcomposer
 * Name: SAMSUNG_SLSI slsiap hwcomposer module
 * Author: swpark@nexell.co.kr
== hwcomposer module ==
virtual bool V4l2Device::activate(): /dev/v4l-subdev2 5
virtual bool V4l2Device::activate(): /dev/v4l-subdev0 1
virtual bool V4l2Device::activate(): /dev/video4 2
virtual bool V4l2Device::activate(): /dev/v4l-subdev1 3
virtual bool V4l2Device::activate(): /dev/video5 4
virtual bool V4l2Device::activate(): /dev/v4l-subdev4 8
virtual bool V4l2Device::activate(): /dev/video8 10
virtual bool V4l2Device::activate(): /dev/v4l-subdev5 11
virtual bool V4l2Device::activate(): /dev/video9 12
virtual bool V4l2Device::activate(): /dev/video10 13
virtual bool V4l2Device::activate(): /dev/v4l-subdev6 14
virtual bool V4l2Device::activate(): /dev/v4l-subdev7 15
== hwcomposer device ==
 * Version: 1010001 (interpreted as 1010001)
 * Module: 0xb3ca1004
== hwcomposer device ==
QEglScreen 0x19d3968

QEglWindow 0x1a9b248: 0x1a9acc0 0x0

WARNING: void HWComposerNativeWindow::allocateBuffers(): allocat[ 1092.500000] ov5640_s_stream: enable 0, initialized 1
ed only 0 buffers out of[ 1092.508000] ov5640_s_power.............1944...........
 4
qmlscene: hwcomposer_window.cpp:204: virtual int HWComposerNativeWindow::dequeueBuffer(BaseNativeWindowBuffer**, int*): Assertion `!m_bufList.empty()' failed.
Aborted