From owner-freebsd-current@FreeBSD.ORG Mon Sep 15 15:59:11 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9E1E61065670 for ; Mon, 15 Sep 2008 15:59:11 +0000 (UTC) (envelope-from xcllnt@mac.com) Received: from asmtpout020.mac.com (asmtpout020.mac.com [17.148.16.95]) by mx1.freebsd.org (Postfix) with ESMTP id 8D9FB8FC1B for ; Mon, 15 Sep 2008 15:59:06 +0000 (UTC) (envelope-from xcllnt@mac.com) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Received: from vghiya-t60.jnpr.net (natint3.juniper.net [66.129.224.36]) by asmtp020.mac.com (Sun Java(tm) System Messaging Server 6.3-7.03 (built Aug 7 2008; 32bit)) with ESMTPSA id <0K7800374V1WB040@asmtp020.mac.com> for freebsd-current@freebsd.org; Mon, 15 Sep 2008 08:58:45 -0700 (PDT) Message-id: From: Marcel Moolenaar To: Andriy Gapon In-reply-to: <48CE59C2.9060307@icyb.net.ua> Date: Mon, 15 Sep 2008 08:58:43 -0700 References: <48CE59C2.9060307@icyb.net.ua> X-Mailer: Apple Mail (2.928.1) Cc: freebsd-current@freebsd.org Subject: Re: sio => uart: one port is gone X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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, 15 Sep 2008 15:59:11 -0000 On Sep 15, 2008, at 5:49 AM, Andriy Gapon wrote: > > This is a fairly standard and old machine with 2 COM ports. > Recently (last Friday) I decided to update my RELENG_7 system and > also to transition from sio to uart. > > This what I had before the upgrade: > kernel: sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 > flags 0x10 on acpi0 > kernel: sio0: type 16550A > kernel: sio0: [FILTER] > kernel: sio1: <16550A-compatible COM port> port 0x2e8-0x2ef irq 3 on > acpi0 > kernel: sio1: type 16550A > kernel: sio1: [FILTER] > > This is what I have now: > uart0: <16550 or compatible> at port 0x3f8-0x3ff irq 4 flags 0x10 on > isa0 > uart0: [FILTER] > > This is what I have in device.hints for uart: > hint.uart.0.at="isa" > hint.uart.0.port="0x3F8" > hint.uart.0.flags="0x10" > hint.uart.0.irq="4" > hint.uart.1.at="isa" > hint.uart.1.port="0x2F8" > hint.uart.1.irq="3" > hint.uart.2.at="isa" > > Precisely the same hints (s/uart/sio/) I had for sio. The hints are bogus. As you can see, sio(4) attached to acpi(4), whereas uart(4) attaches to isa(4). Don't compile ACPI as a kernel module and all is fine. -- Marcel Moolenaar xcllnt@mac.com