From owner-freebsd-acpi@FreeBSD.ORG Sun Nov 27 02:26:15 2005 Return-Path: X-Original-To: acpi@freebsd.org Delivered-To: freebsd-acpi@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 02CE116A41F; Sun, 27 Nov 2005 02:26:15 +0000 (GMT) (envelope-from anderson@centtech.com) Received: from mh2.centtech.com (moat3.centtech.com [207.200.51.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0776B43D53; Sun, 27 Nov 2005 02:26:13 +0000 (GMT) (envelope-from anderson@centtech.com) Received: from [192.168.42.25] ([192.168.42.25]) by mh2.centtech.com (8.13.1/8.13.1) with ESMTP id jAR2QCmO099972; Sat, 26 Nov 2005 20:26:12 -0600 (CST) (envelope-from anderson@centtech.com) Message-ID: <43891936.7090904@centtech.com> Date: Sat, 26 Nov 2005 20:25:58 -0600 From: Eric Anderson User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.12) Gecko/20051021 X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Greg 'groggy' Lehey" References: <4383C20E.20509@shaw.ca> <20051123195120.GE908@eucla.lemis.com> In-Reply-To: <20051123195120.GE908@eucla.lemis.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV 0.82/1195/Fri Nov 25 03:29:55 2005 on mh2.centtech.com X-Virus-Status: Clean Cc: acpi@freebsd.org, freebsd-stable@freebsd.org, Graham North Subject: Re: ACPI problems with Dell laptops X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Nov 2005 02:26:15 -0000 Greg 'groggy' Lehey wrote: > On Tuesday, 22 November 2005 at 17:12:46 -0800, Graham North wrote: > >>Am currently trying to choose between a couple of laptops, the luck >>winner of which will have Freebsd loaded alongside WinXP. >> >>Dell Latitude d600 with Radeon 9000? video, intel pro wireless >>or >>IBM R51 - Intel Extreme2, intel pro wireless. >>The main differences will likely be the video and maybe bios, acpi...? >>Can someone suggest to me whether these are both safe choices? >>Am I better off installing 5.4 or 6.0? > > > I've had both Dell and ThinkPad (no longer IBM). I prefer Dell, > despite their attempts to convince me otherwise. > > However, we currently seem to have significant ACPI problems with Dell > laptops. I'm writing this on an Inspiron 6000 running 7-CURRENT, but > the same problems occur with 6.0: if I enable ACPI, timing goes to > hell, and some things just time out. There was a similar message a > couple of days ago from an owner of (I think) the latest Latitude > machine, which sounded even worse. My requests for feedback about how > to solve the problem have so far not been resolved. If you're > otherwise tending towards Dell, I'd suggest you watch this space until > there's some indication that the problems will be resolved. > > Nothing of this says that ThinkPads will do better, of course. I > don't know what the situation is there. Which scheduler are you using? Also, have you tried disabling apic? I had these same troubles, and worked around them, but I can't recall the exact trick - I seem to recall disabling apic and/or using 4BSD scheduler. Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Anything that works is better than anything that doesn't. ------------------------------------------------------------------------