From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: [PATCH] Input: i8042 - disable KBD port on Late-2016 Razer Blade Stealth Date: Sun, 7 Apr 2019 15:10:34 -0700 Message-ID: <20190407221034.GA162359@dtor-ws> References: <20190407213735.10658-1-lyude@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20190407213735.10658-1-lyude@redhat.com> Sender: stable-owner@vger.kernel.org To: Lyude Paul Cc: stable@vger.kernel.org, Chen-Yu Tsai , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-input@vger.kernel.org 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