i8042 interrupt when booting

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Hello,

The i8042_interrupt is the keyboard interrupt handler :
see , in drivers/input/serio, the method:
static irqreturn_t i8042_interrupt(int irq, void *dev_id, struct pt_regs *regs)

This interrupt handler is registered on interrupt 1, the keyboard interrupt.

I had added "printk(KERN_INFO "inside  i8042_interrupt\n") in this handler,
and built the kernel and booted the new kernel.

After boot , I see many many many such "inside  i8042_interrupt" messages
and  then it get probably stucked and reboot itself.
Why is it so ? what causes keyboard interrupts  when booting ?
I am not pressing the keyboard at all...
Any idea ?
Regards,
John

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