no more usbHost !!

I've recently updated my meta layers and rebuilt an image.
but suddenly, no more usbhost in this image !!

lsusb gives "unable to initialize libusb: -99"

and no /proc/bus/usb
and 
echo "usb1" > /sys/bus/usb/drivers/usb/bind
sh: write error: No such device

HELP
