From owner-freebsd-usb@freebsd.org Tue Sep 1 13:37:56 2020 Return-Path: Delivered-To: freebsd-usb@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 7ABAA3C836E for ; Tue, 1 Sep 2020 13:37:56 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 4Bgp6X26BZz4X71 for ; Tue, 1 Sep 2020 13:37:56 +0000 (UTC) (envelope-from hps@selasky.org) Received: by mailman.nyi.freebsd.org (Postfix) id 468BB3C83D6; Tue, 1 Sep 2020 13:37:56 +0000 (UTC) Delivered-To: usb@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 465393C8903 for ; Tue, 1 Sep 2020 13:37:56 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [IPv6:2a01:4f8:c17:6c4b::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Bgp6W0JV9z4X70 for ; Tue, 1 Sep 2020 13:37:54 +0000 (UTC) (envelope-from hps@selasky.org) Received: from hps2020.home.selasky.org (unknown [178.17.145.105]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 7BC772601B2; Tue, 1 Sep 2020 15:37:53 +0200 (CEST) Subject: Re: USB-dongle modem keeps changing from cuaU0 to cuaU1 and bck To: Willem Jan Withagen , usb@freebsd.org References: From: Hans Petter Selasky Message-ID: Date: Tue, 1 Sep 2020 15:37:24 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4Bgp6W0JV9z4X70 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 2a01:4f8:c17:6c4b::2 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-2.73 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net:c]; MID_RHS_MATCH_FROM(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[selasky.org]; NEURAL_HAM_LONG(-1.03)[-1.031]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-0.38)[-0.383]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_MEDIUM(-1.01)[-1.015]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/29, country:DE]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[usb] X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Sep 2020 13:37:56 -0000 On 2020-09-01 15:34, Willem Jan Withagen wrote: > Is there any particular reason for the OS to assign a different port? If the device is always present during boot, then numbers are fixed. > And can I prevent that from changing? You can create a devd rule which matches the creation of /dev/cuaUX, and then there is some more information which allows you to decide which device is which. See also discussion at: https://reviews.freebsd.org/D21886 --HPS