Hi Andrey, On Wed, Aug 07, 2013 at 03:25:34PM +0400, Andrey Moiseev wrote: > +/* Keyboard handler */ > +static irq_handler_t kbd_irq_handler(int irq, void *dev_id, > + struct pt_regs *regs) > +{ > + /* Scancodes: e03b on move, bb on release */ > + int scancode = inb(0x60); No, you should not just read KBC data without regard to what other parts of kernel are doing (i8042 might be accessing it at the same time because AUX IRQ was raised). This driver has to be implemented as i8042 filter. Thanks. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html