Hi Lyude, On Sun, Apr 07, 2019 at 05:37:34PM -0400, Lyude Paul wrote: > The late 2016 model of the Razer Blade Stealth has a built-in USB > keyboard, but for some reason the BIOS exposes an i8042 controller with > a connected KBD port. While this fake AT Keyboard device doesn't appear > to report any events, attempting to change the state of the caps lock > LED on it from on to off causes the entire system to hang. > > So, introduce a quirk table for disabling keyboard probing by default, > i8042_dmi_nokbd_table, and add this specific model of Razer laptop to > that table. What does dmesg show about i8042 for this device? Especially line "PNP: PS/2 Controller ..."? Thanks. -- Dmitry