Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 13 Apr 2002 06:03:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 13 Apr 2002 06:03:58 -0400 Received: from twilight.ucw.cz ([195.39.74.230]:54667 "EHLO twilight.ucw.cz") by vger.kernel.org with ESMTP id ; Sat, 13 Apr 2002 06:03:58 -0400 Date: Sat, 13 Apr 2002 12:03:49 +0200 From: Vojtech Pavlik To: Baldur Norddahl Cc: linux-kernel@vger.kernel.org Subject: Re: more than 2 promise ultradma133 TX2 controllers Message-ID: <20020413120349.A23974@ucw.cz> In-Reply-To: <20020412131831.GA3185@dark.x.dtu.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 12, 2002 at 03:18:31PM +0200, Baldur Norddahl wrote: > Hi, > > I noticed if I put in more than 2 promise controllers, the onboard BIOS will > only detect disks on the first 2 controllers. > > I got a system with 4 controllers. Linux detects disks on them all, but when > it comes to the detect partitions phase it hangs with DMA timeout errors on > those controllers that didn't get initialized or listed during BIOS boot. > > The "Special UDMA Feature" option is supposed to initialize cards that the > BIOS forgot. The help seems to indicate that this option was made for OLD > cards, the ultradma133 TX2 is hardly old :-) Besides, it doesn't work. > > I changed the configuration to be two ultradma133 and two ultradma100 cards. > Now the BIOS screen is shown twice, one with the two newer cards and one > with the two older cards. And linux is happy too. > > I have one concern, this setup forces me to put some 160 GB disks on the > ultradma100 card. Promise never said that card would support this, and the > BIOS can't detect the disk correctly. Linux however seems to be fine, it > shows the disks with their correct size and everything seems good. But is it > safe? Yes, it is safe. However the fact that 4 133 cards don't work should be fixed. UDMA133 isn't rellated to >128GB support in any way. -- Vojtech Pavlik SuSE Labs - 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/