From owner-freebsd-questions@freebsd.org Sun May 31 16:23:01 2020 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id A1C5E338A49 for ; Sun, 31 May 2020 16:23:01 +0000 (UTC) (envelope-from tomek@cedro.info) Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49Zk9w3p5Hz4M0B for ; Sun, 31 May 2020 16:23:00 +0000 (UTC) (envelope-from tomek@cedro.info) Received: by mail-wr1-x42c.google.com with SMTP id j10so9028341wrw.8 for ; Sun, 31 May 2020 09:23:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cedro.info; s=google; h=mime-version:from:date:message-id:subject:to; bh=uyJIZ43UcEnkFXv/ishNgEVIQH3P0M9VNw6WmVqFftY=; b=XQWzHH47GWPnXkSvnqghhBHBia5bw4x90wxtjSGRGf+Q56gr7/YfEcHhiDM/LsoEcO +WGCVEW2nP/tF6LbJNvclEp8NSCdghweO4nEz0GvY17swLD6JE45PyRptInwPcIpjaJx ON5jafS7zyPx9JfC+YVJbqBr5/t9IL68ObD9KOAKpb4nsKd93TyVkymmmfLN5JUXHI0j ZZSiwLpD9Cb3f7e0E8W9CiqbEFOqB4xv/47GsiJ5m/MizYFgL7Q4kDXmIam22p6iMGNV opzthjclNYvbhh7X7MRGZbiVKruwKRPjlafaH/sxfurvPiMUdvi3Q69VmQug6NewdPOP EKfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=uyJIZ43UcEnkFXv/ishNgEVIQH3P0M9VNw6WmVqFftY=; b=LCU7DlYF7SmEzA98oKYrFJ1gxh9hOLjIVr+wRXKpyoNLKUbCRrhrUequArL3HCev2M 3OLcESswdBzMQOoX4dky+V3oTt9MIVJHakkxnHgFB5BKD5EXtHgd8OVpZkv5PX2nIN0O vQpmO10LP4VEbovngMaYau9o700T2id0QujEUetKVsZGXz+Y/cB4S6RUEtZjUL+p8bBc Fx21hACmZVx8e+IL+sYxhNm6Px/7JGxmZP+zsoSxx5meSwpXo62WsEQzaZpD7R9MGBE8 Y5X0ZjkfGHedYLHm9EQKAyjBoSPnt44UC7D+7AKqGtV3qDs145ew1Fsv3NSeXjve5rzv Ec0g== X-Gm-Message-State: AOAM531Tf8tDwltyBz/7f6Vyzs9ncgKBxxWBJ5PcqUo3VvITJEBW/B1B Ji5qIJhkfVW8JU218BzFEICs9OwXlF10ThBU7rvTCzoZ X-Google-Smtp-Source: ABdhPJzeTOOCB/oPh6PzKI3cIG1x/B+f3MI9Rk1qh3niuSD034u1IxcKi2Z1T5A5BrlI+hRyyCOyd5bHLTeAbgW4ceU= X-Received: by 2002:adf:c98a:: with SMTP id f10mr6499009wrh.329.1590942178632; Sun, 31 May 2020 09:22:58 -0700 (PDT) MIME-Version: 1.0 From: Tomasz CEDRO Date: Sun, 31 May 2020 18:22:23 +0200 Message-ID: Subject: kernel module disable / blacklist To: FreeBSD Questions Mailing List Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 49Zk9w3p5Hz4M0B X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=pass header.d=cedro.info header.s=google header.b=XQWzHH47; dmarc=none; spf=none (mx1.freebsd.org: domain of tomek@cedro.info has no SPF policy when checking 2a00:1450:4864:20::42c) smtp.mailfrom=tomek@cedro.info X-Spamd-Result: default: False [-0.78 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.35)[-0.349]; R_DKIM_ALLOW(-0.20)[cedro.info:s=google]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-0.44)[-0.439]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; DMARC_NA(0.00)[cedro.info]; RCPT_COUNT_ONE(0.00)[1]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[cedro.info:+]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::42c:from]; NEURAL_SPAM_SHORT(0.30)[0.304]; R_SPF_NA(0.00)[no SPF record]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 31 May 2020 16:23:01 -0000 Hello world :-) I am creating an embedded system that exposes the serial port over USB. This causes auto-load ucom, umodem, u3g modules, even though I have removed them by hand. Because of the development steps I need to plug and unplug that device quite often. It would be lovely to be able to blacklist a given set of modules so they does not auto-load on device connect. `module_blacklist` in `loader.conf` does not seem to work at runtime. Is there a simple way to temporarily blacklist given modules? I would prefer not to modify the devd configurations because also I have a u3g modem in my laptop that I would like to use by default. Temporary blacklist should ideally have a precedence over devd. Any hints appreciated :-) Tomek -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.info