From owner-freebsd-current  Tue Jan 18 11:58:35 2000
Delivered-To: freebsd-current@freebsd.org
Received: from freebsd.dk (freebsd.dk [212.242.42.178])
	by hub.freebsd.org (Postfix) with ESMTP
	id 8DD1214BF2; Tue, 18 Jan 2000 11:58:23 -0800 (PST)
	(envelope-from sos@freebsd.dk)
Received: (from sos@localhost)
	by freebsd.dk (8.9.3/8.9.1) id UAA73631;
	Tue, 18 Jan 2000 20:58:11 +0100 (CET)
	(envelope-from sos)
From: Soren Schmidt <sos@freebsd.dk>
Message-Id: <200001181958.UAA73631@freebsd.dk>
Subject: Re: ata observation (bug?)
In-Reply-To: <200001181903.TAA57355@hak.lan.Awfulhak.org> from Brian Somers at "Jan 18, 2000 07:03:02 pm"
To: brian@Awfulhak.org (Brian Somers)
Date: Tue, 18 Jan 2000 20:58:11 +0100 (CET)
Cc: sos@FreeBSD.ORG, current@FreeBSD.ORG
X-Mailer: ELM [version 2.4ME+ PL54 (25)]
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit
Sender: owner-freebsd-current@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

It seems Brian Somers wrote:
> Hi,
> 
> I don't know if you'd class this as a bug report or more as an 
> observation.  I have a machine with the following:

bug :)

> ata-pci0: <AcerLabs Aladdin ATA-33 controller> port 0xf000-0xf00f at device 15.0 on pci0
> ata-pci0: Busmastering DMA supported
> ata0 at 0x01f0 irq 14 on ata-pci0
> ata1 at 0x0170 irq 15 on ata-pci0
> [.....]
> ad0: <FUJITSU M1623TAU/5245> ATA-0 disk at ata0 as master
> ad0: 1623MB (3324384 sectors), 3298 cyls, 16 heads, 63 S/T, 512 B/S
> ad0: 16 secs/int, 1 depth queue, WDMA2
> ad1: <QUANTUM FIREBALL EL7.6A/A08.1100> ATA-4 disk at ata1 as master
> ad1: 7339MB (15032115 sectors), 15907 cyls, 15 heads, 63 S/T, 512 B/S
> ad1: 16 secs/int, 1 depth queue, UDMA33
> ad2: <FUJITSU MPE3273AT/ED-82-25> ATA-4 disk at ata1 as slave 
> ad2: 26063MB (53377152 sectors), 52953 cyls, 16 heads, 63 S/T, 512 B/S
> ad2: 16 secs/int, 1 depth queue, UDMA33
> 
> Note that ad0 is on a controller of its own, and ad[12] are on the 
> second controller.  If I put the second (7Gb) disk on the first 
> controller as slave, I can't get the machine to boot.  The wd driver 
> works ok, but ad, although coming up in the ``?'' list in 
> vfs_mountroot_ask(), won't boot... I get error 6 when I try 
> ufs:/dev/rad0s1a at the prompt.
> 
> This has stopped me going to the ata driver on this machine for a 
> long time :-/
> 
> Moving the two UDMA disks to a controller of their own has solved the 
> problem....

Hmm, I'll investigate this, it sure adds more data to the equation..

Thanks for the report!

-Søren


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message