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Date:   Sun, 7 Apr 2019 15:10:34 -0700
From:   Dmitry Torokhov <>
To:     Lyude Paul <>
Cc:, Chen-Yu Tsai <>,,
Subject: Re: [PATCH] Input: i8042 - disable KBD port on Late-2016 Razer Blade

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  ..."?



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