My company is developing a product using embedded Linux. I wrote a
simple framebuffer device driver for our graphics chip, and everything
works well until I plug in a USB keyboard. The characters typed on the
keyboard are echoed to the framebuffer device, overwriting our display.
We are not running a getty or shell attached to the framebuffer, but I
haven't been able to figure out how to suppress the output of the USB
keyboard. We are running Linux 2.4.25 with DenX's RTAI patch on