From owner-freebsd-bugs@FreeBSD.ORG Mon Apr 25 17:20:10 2011 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 846F31065672 for ; Mon, 25 Apr 2011 17:20:10 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 4A7A98FC15 for ; Mon, 25 Apr 2011 17:20:10 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p3PHKACF024895 for ; Mon, 25 Apr 2011 17:20:10 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p3PHKAAN024894; Mon, 25 Apr 2011 17:20:10 GMT (envelope-from gnats) Resent-Date: Mon, 25 Apr 2011 17:20:10 GMT Resent-Message-Id: <201104251720.p3PHKAAN024894@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, "Conall O'Brien" Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 779A6106566B for ; Mon, 25 Apr 2011 17:15:11 +0000 (UTC) (envelope-from conall@galvatron.taku.ie) Received: from galvatron.taku.ie (galvatron.taku.ie [212.17.45.252]) by mx1.freebsd.org (Postfix) with ESMTP id 350D38FC17 for ; Mon, 25 Apr 2011 17:15:10 +0000 (UTC) Received: by galvatron.taku.ie (Postfix, from userid 1001) id D4D423546; Mon, 25 Apr 2011 18:03:42 +0100 (IST) Message-Id: <20110425170342.D4D423546@galvatron.taku.ie> Date: Mon, 25 Apr 2011 18:03:42 +0100 (IST) From: "Conall O'Brien" To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Cc: Subject: kern/156647: Intel ICH7 SATA300 Driver Performance Regression in 8.2-STABLE X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Conall O'Brien List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Apr 2011 17:20:10 -0000 >Number: 156647 >Category: kern >Synopsis: Intel ICH7 SATA300 Driver Performance Regression in 8.2-STABLE >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Apr 25 17:20:09 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Conall O'Brien >Release: FreeBSD 8.2-PRERELEASE amd64 >Organization: >Environment: Motherboard: Intel D510 Unaffected System: FreeBSD galvatron.taku.ie 8.2-PRERELEASE FreeBSD 8.2-PRERELEASE #0: Wed Dec 29 04:00:27 UTC 2010 root@galvatron.taku.ie:/usr/src/obj/usr/src/sys/GALVATRON amd64 Affected System: FreeBSD galvatron.taku.ie 8.2-STABLE FreeBSD 8.2-STABLE #1: Sat Mar 19 13:18:46 UTC 2011 root@galvatron.taku.ie:/usr/src/obj/usr/src/sys/GALVATRON amd64 >Description: SATA disks connected via the onboard Intel ICH7 SATA300 controller become troublesome to use. I/O queues fill up and kernel reports frequent DMA issues for each SATA disk on the controller on the console >How-To-Repeat: Run the 8.2-STABLE kernel on a system with multiple disks and the ICH7 SATA300. >Fix: Revert back to a RLEENG_8 kernel built before 8.2-RELEASE was cut. >Release-Note: >Audit-Trail: >Unformatted: