Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761299AbXHKPtl (ORCPT ); Sat, 11 Aug 2007 11:49:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755512AbXHKPtc (ORCPT ); Sat, 11 Aug 2007 11:49:32 -0400 Received: from mail.gmx.net ([213.165.64.20]:40676 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755410AbXHKPtb (ORCPT ); Sat, 11 Aug 2007 11:49:31 -0400 X-Authenticated: #441233 X-Provags-ID: V01U2FsdGVkX18jAL1JB4ojzKMFpnT6tDx2mr64dv0/uQ0qmQDzw6 OUpuhztkiRRVme Date: Sat, 11 Aug 2007 17:49:25 +0200 From: Michael Mauch To: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, Bjorn Helgaas Subject: Re: Serial ports rearranged in 2.6.22? Message-ID: <20070811154925.GA9618@elmicha> Mail-Followup-To: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, Bjorn Helgaas References: <20070810213925.GB10855@elmicha> <86802c440708102154r59e1acbj90fa0d5b73197fb9@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <86802c440708102154r59e1acbj90fa0d5b73197fb9@mail.gmail.com> User-Agent: Mutt/1.5.16 (2007-06-09) X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1436 Lines: 42 Yinghai Lu wrote: > On 8/10/07, Michael Mauch wrote: > > Hi, > > > > until 2.6.21, I had the normal assignments for ttyS0 and ttyS1: > > > > 00:08: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A > > 00:09: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A > > > > With 2.6.22 I get the names <-> ports/irqs the other way around: > > > > 00:08: ttyS0 at I/O 0x2f8 (irq = 3) is a 16550A > > 00:09: ttyS1 at I/O 0x3f8 (irq = 4) is a 16550A > > > > Is this supposed to be that way? Should we reassign these names with > > udev? udev-114 doesn't seem to have built-in rules to assign the > > traditional names. > > > > Or could it be related to some brokeness in my BIOS (ACPI/PNP)? > > > > I'm using the 8250_pnp module (and it's the same with builtin serial > > modules). I made sure that I did not accidentally change the BIOS > > settings for the serial ports. > > > > I'm using Gentoo, but on the lirc list was a Fedora user with the same > > symptoms. > > http://lkml.org/lkml/2007/7/25/455 Thanks - I applied that patch and the names are back to normal again: 00:06: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A 00:07: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A Regards... Michael - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/