From owner-freebsd-i386@FreeBSD.ORG Fri Sep 17 02:00:48 2004 Return-Path: Delivered-To: freebsd-i386@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2F76816A4CE for ; Fri, 17 Sep 2004 02:00:48 +0000 (GMT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0AD8B43D46 for ; Fri, 17 Sep 2004 02:00:48 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.11/8.12.11) with ESMTP id i8H20lQu096124 for ; Fri, 17 Sep 2004 02:00:47 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.11/8.12.11/Submit) id i8H20lOp096123; Fri, 17 Sep 2004 02:00:47 GMT (envelope-from gnats) Date: Fri, 17 Sep 2004 02:00:47 GMT Message-Id: <200409170200.i8H20lOp096123@freefall.freebsd.org> To: freebsd-i386@FreeBSD.org From: "Bjoern Koenig" Subject: Re: i386/71761: disk write operations too slow (probably DMA problems with ICH2) X-BeenThere: freebsd-i386@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Bjoern Koenig List-Id: I386-specific issues for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Sep 2004 02:00:48 -0000 The following reply was made to PR i386/71761; it has been noted by GNATS. From: "Bjoern Koenig" To: Cc: Subject: Re: i386/71761: disk write operations too slow (probably DMA problems with ICH2) Date: Fri, 17 Sep 2004 03:54:41 +0200 Looks like an ICH2-specific bug which appeared first since atapi_dma became "1" by default. Either set hw.ata.atapi_dma="0" in /boot/loader.conf or an appropriate atacontrol command line in /etc/rc.early to set mode UDMA5 to hard disk device.