From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 1A160158083 for ; Mon, 9 Sep 2024 15:05:42 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 72065E29EB; Mon, 9 Sep 2024 15:05:33 +0000 (UTC) Received: from ciao.gmane.io (ciao.gmane.io [116.202.254.214]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 11910E29E2 for ; Mon, 9 Sep 2024 15:05:33 +0000 (UTC) Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1snfxK-00058m-RM for gentoo-user@lists.gentoo.org; Mon, 09 Sep 2024 17:05:30 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: gentoo-user@lists.gentoo.org From: Grant Edwards Subject: [gentoo-user] Re: Why did Synaptics touchpad stop working? Date: Mon, 9 Sep 2024 15:05:26 -0000 (UTC) Message-ID: References: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit User-Agent: slrn/1.0.3 (Linux) X-Archives-Salt: 0cffdfb1-f326-4f35-9927-1a37e6221b2b X-Archives-Hash: 32f4294276174d245e776e7877d09976 On 2024-09-09, Jack wrote: > On 9/8/24 10:20 PM, Grant Edwards wrote: > >> This morning when I booted my Thinkpad T580, the Synaptics touchpad >> buttons didn't work at all, and the "pointer" function just barely >> worked: the response was slow and jerky with a noticeable delay. >> >> In order to get it working again, I had to enable some rmi4 stuff in >> my kernel config: >>[...] >> Apparently, it used to work as a PS/2 mouse, but then it "just quit", >> and I hand to enable rmi4 SMBus support. >>[...] >> As I said, I've got it working again, but I'm baffled what caused it >> to stop working. > > Any chance some internal connection has come loose?  How old is the > laptop?  I'd probably suspect hardware before software, but I wouldn't > put money on anything. It's a bit less than 5 years old and has been very lightly used. It only leaves the house maybe a half-dozen times a year. I'd probably put my money down on the spot marked "Microsoft's Fault", but I've got no real theory as to why that would be unless a recent Windows update somehow changed a BIOS setting for Synaptics PS/2 compatiblity. [I never got to the point of messing with BIOS settings.] -- Grant