Qtopia on Chumby

I'd already follow your instruction for build qtopia and all the compiling process works fine, but, when i run ts_calibrate the LCD don't show the crosshair. I set the environment variables as file:///home/cain/Desktop/chumby/qt_on_chumby.html say, but i can't see nothing sad

If i run:

unzip -p /bitmap/chumby_logo.zip >/dev/fb1

some colored circles are shoen in LCD, why QT applications don't drive the LCD?
There are a environment variable that manage the QT framebuffer device?

When i run:

/mnt/usb/examples/qtopiacore/framebuffer/framebuffer

The framebuffer device was opened successfully.

Fixed screen info:
id: IMX
smem_start: 0xc3d40000
smem_len: 153600
type: 0
type_aux: 0
visual: 2
xpanstep: 0
ypanstep: 0
ywrapstep: 0
line_length: 640
mmio_start: 0x0
mmio_len: 0
accel: 0

The framebuffer device was mapped to memory successfully.

Switch to graphics mode failed: Invalid argumentVariable screen info:
xres: 320
yres: 240
xres_virtual: 320
yres_virtual: 240
yoffset: 0
xoffset: 0
bits_per_pixel: 16
grayscale: 0
red: offset: 8, length: 4, msb_right: 0
green: offset: 4, length: 4, msb_right: 0
blue: offset: 0, length: 4, msb_right: 0
transp: offset: 0, length: 0, msb_right: 0
nonstd: 0
activate: 0
height: -1
width: -1
accel_flags: 0x0
pixclock: 62500
left_margin: 15
right_margin: 6
upper_margin: 9
lower_margin: 7
hsync_len: 1
vsync_len: 1
sync: 0
vmode: 0

Will draw 3 rectangles on the screen,
they should be colored red, green and blue (in that order).
Done.

But nothing appear an LCD :(

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