From owner-freebsd-current@freebsd.org Mon Feb 18 00:24:59 2019 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7B17214E7D9A; Mon, 18 Feb 2019 00:24:59 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.95.76.21]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "troutmask", Issuer "troutmask" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 0671369C5C; Mon, 18 Feb 2019 00:24:57 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (localhost [127.0.0.1]) by troutmask.apl.washington.edu (8.15.2/8.15.2) with ESMTPS id x1I0OtEX098286 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Sun, 17 Feb 2019 16:24:55 -0800 (PST) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.15.2/8.15.2/Submit) id x1I0OtMM098285; Sun, 17 Feb 2019 16:24:55 -0800 (PST) (envelope-from sgk) Date: Sun, 17 Feb 2019 16:24:55 -0800 From: Steve Kargl To: Mark Millard Cc: FreeBSD Current , freebsd-hackers@freebsd.org Subject: Re: What is evdev and autoloading? Message-ID: <20190218002455.GA98130@troutmask.apl.washington.edu> Reply-To: sgk@troutmask.apl.washington.edu References: <20190217180323.GA95686@troutmask.apl.washington.edu> <4135B088-DF13-4867-ABF4-5659D47C8997@yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4135B088-DF13-4867-ABF4-5659D47C8997@yahoo.com> User-Agent: Mutt/1.11.2 (2019-01-07) X-Rspamd-Queue-Id: 0671369C5C X-Spamd-Bar: +++ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [3.71 / 15.00]; HAS_REPLYTO(0.00)[sgk@troutmask.apl.washington.edu]; TO_DN_SOME(0.00)[]; REPLYTO_ADDR_EQ_FROM(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; RCVD_IN_DNSWL_MED(-0.20)[21.76.95.128.list.dnswl.org : 127.0.11.2]; MX_GOOD(-0.01)[cached: troutmask.apl.washington.edu]; FREEMAIL_TO(0.00)[yahoo.com]; FROM_EQ_ENVFROM(0.00)[]; IP_SCORE(0.08)[ip: (0.15), ipnet: 128.95.0.0/16(0.21), asn: 73(0.10), country: US(-0.07)]; R_DKIM_NA(0.00)[]; ASN(0.00)[asn:73, ipnet:128.95.0.0/16, country:US]; SUBJECT_ENDS_QUESTION(1.00)[]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_SPAM_SHORT(0.49)[0.492,0]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[washington.edu]; AUTH_NA(1.00)[]; NEURAL_SPAM_MEDIUM(0.83)[0.834,0]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_SPAM_LONG(0.61)[0.614,0]; R_SPF_NA(0.00)[] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Feb 2019 00:24:59 -0000 On Sun, Feb 17, 2019 at 03:04:41PM -0800, Mark Millard wrote: > > > On 2019-Feb-17, at 10:03, Steve Kargl wrote: > > Anyone have insight into what evdev is? There appears to > be no manual page. When I reboot a system with custom > kernel, the system is autoloading evdev.ko, uhid.ko, and > wmt.ko. I do not need nor what these modules loaded. > How does one prevent this autoloading? > > Looking via the web lead to: > > https://www.freebsd.org/cgi/man.cgi?query=evdev&apropos=0&sektion=4&manpath=FreeBSD+12.0-RELEASE&arch=default&format=html > So: > > NAME > evdev - Generic Linux input driver > > DESCRIPTION > > evdev is an Xorg input driver for Linux's generic event devices. It > therefore supports all input devices that the kernel knows about, > including most mice, keyboards, tablets and touchscreens. evdev > is the default driver on the major Linux distributions. > . . . > > > > but it seems to not have a 13-current entry. It does have > a 12.0-RELEASE entry. > Thanks. Kinda odd that freebsd-current doesn't have a manual page, but FreeBSD-12 does. I have a wireless logitech mouse. It seems that the wireless USB dongle is causing the load of the modules. I still understand why as ums(4) does not should a dependency on uhid, wmt, or evdev. -- Steve 20170425 https://www.youtube.com/watch?v=VWUpyCsUKR4 20161221 https://www.youtube.com/watch?v=IbCHE-hONow