Subject: Re: Promise Ultra60/100 vs 48-bit LBA compliant drives
To: Takeshi Nakayama <>
From: Manuel Bouyer <>
List: tech-kern
Date: 04/27/2003 19:13:00
On Sun, Apr 27, 2003 at 07:41:57AM +0900, Takeshi Nakayama wrote:
> Hello,
> I have i386 machine which has on-board Promise Ultra100 ATA
> controller. When I connect 48-bit LBA compliant drive (IBM
> IC35L120AVV207-0) to it, it does not work with any DMA mode (see
> attached dmesg.log).
> According to FreeBSD driver, it needs some extra operation in
> 48-bit LBA mode with some old Promise controllers. So I wrote an
> attached patch, then works fine with DMA mode.
> Could someone please review this patch?

Looks OK to me.

Please also request a pullup for 1.6

Manuel Bouyer <>
     NetBSD: 24 ans d'experience feront toujours la difference