On Mon, May 6, 2013 at 10:25 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote: > Hello, > > The touchpad on Lenovo Yoga 13 seems to have broken some time between 3.4 > and the current kernel. The dmesg is full of spewage: > > [ 256.246481] atkbd serio0: Use 'setkeycodes e03e <keycode>' to make it > known. > [ 256.251473] atkbd serio0: Unknown key released (translated set 2, code > 0xbe on isa0060/serio0 > > ... about once per second; I am wondering if the touchpad is spewing output > onto the keyboard channel or if there is something else wrong. >From googling around this looks like a Synaptics unit. Is it being detected by the ALPS driver? If so, did it use the ALPS driver in 3.4? alps.c was changed to identify several new models, but PS/2 touchpad identification uses "magic knock sequences" which may be prone to false positives. This is something we should watch for. -- 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