From owner-freebsd-hackers Mon Jan 4 20:52:31 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id UAA27591 for freebsd-hackers-outgoing; Mon, 4 Jan 1999 20:52:31 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id UAA27584 for ; Mon, 4 Jan 1999 20:52:27 -0800 (PST) (envelope-from grog@freebie.lemis.com) Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by allegro.lemis.com (8.9.1/8.9.0) with ESMTP id PAA05774; Tue, 5 Jan 1999 15:21:35 +1030 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.9.1/8.9.0) id PAA78870; Tue, 5 Jan 1999 15:21:41 +1030 (CST) Date: Tue, 5 Jan 1999 15:21:41 +1030 From: Greg Lehey To: Dru Nelson Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: UDMA in 2.2.8 - patches? Message-ID: <19990105152140.C78349@freebie.lemis.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.1i In-Reply-To: ; from Dru Nelson on Mon, Jan 04, 1999 at 08:46:43PM -0800 WWW-Home-Page: http://www.lemis.com/~grog Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Monday, 4 January 1999 at 20:46:43 -0800, Dru Nelson wrote: > > Hi, > > I'm now working with a big site and I'm moving them over > to FreeBSD from Linux for stability. The unfortunate thing > is that almost all of the machines use IDE drives. > > I haven't tried 3.0 and I don't know how stable it is yet. I want > to have machines that run for many, many days and freebsd 2.[12].* > has done time and time again in the past. So, I'm running 2.2.8 on > some of these machines right now. It has everything I need, except for > UDMA support (soft updates would be nice :-), but I can wait for that in > 3.0). > > IDE will be OK for these machines, I'm just worried about too many > interupts and not getting good IO performance. > > What is the outlook or possible big ugly monster involved with > getting DMA or some of the EIDE features into 2.2.8 (Intel only > chipsets)? I have no problem with putting something in /sys/pci > to get going on this... *(I'm willing to spend some time on this)* > > I can rationalize adding support for DMA 2.2.8, and testing it thoroughly, > I can't see going to 3.0 just yet. I think that the chances are slim of getting a version of 2.2.8 with UDMA support as stable as 3.0 already is. It's not that bad. -STABLE will be out in the middle of the month. Greg -- See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message