From owner-freebsd-bugs Sun Sep 8 14:40:11 2002 Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BA60C37B400 for ; Sun, 8 Sep 2002 14:40:05 -0700 (PDT) Received: from freefall.freebsd.org (freefall.FreeBSD.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 105A843E3B for ; Sun, 8 Sep 2002 14:40:05 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.4/8.12.4) with ESMTP id g88Le4JU019607 for ; Sun, 8 Sep 2002 14:40:04 -0700 (PDT) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.4/8.12.4/Submit) id g88Le4fu019606; Sun, 8 Sep 2002 14:40:04 -0700 (PDT) Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9D35737B400 for ; Sun, 8 Sep 2002 14:35:58 -0700 (PDT) Received: from shrewd.knigma.org (shrewd.demon.co.uk [212.229.151.45]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8F6B343E72 for ; Sun, 8 Sep 2002 14:35:57 -0700 (PDT) (envelope-from markk@knigma.org) Received: from shrewd.lan.knigma.org (localhost [127.0.0.1]) by shrewd.knigma.org (8.12.6/8.12.6) with ESMTP id g88LZtKV001655 for ; Sun, 8 Sep 2002 22:35:56 +0100 (BST) (envelope-from mkn@shrewd.lan.knigma.org) Received: (from mkn@localhost) by shrewd.lan.knigma.org (8.12.6/8.12.6/Submit) id g88LZtaF001654; Sun, 8 Sep 2002 22:35:55 +0100 (BST) (envelope-from mkn) Message-Id: <200209082135.g88LZtaF001654@shrewd.lan.knigma.org> Date: Sun, 8 Sep 2002 22:35:55 +0100 (BST) From: Mark Knight Reply-To: Mark Knight To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Subject: bin/42563: ATA Tagged Queuing wedges -STABLE Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org >Number: 42563 >Category: bin >Synopsis: ATA Tagged Queuing wedges -STABLE >Confidential: no >Severity: critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Sep 08 14:40:04 PDT 2002 >Closed-Date: >Last-Modified: >Originator: Mark Knight >Release: FreeBSD 4.7-PRERELEASE i386 >Organization: >Environment: System: FreeBSD shrewd.lan.knigma.org 4.7-PRERELEASE FreeBSD 4.7-PRERELEASE #0: Sun Sep 8 13:07:18 BST 2002 root@shrewd.lan.knigma.org:/slave/usr/obj/usr/src/sys/SHREWD i386 >Description: ad0: READ command timeout tag=0 serv=0 - resetting ad0: invalidating queued requests ata0: resetting devices .. ad0: invalidating queued requests ad0: DMA limited to UDMA33, non-ATA66 cable or device ad1: invalidating queued requests done ad0: timeout waiting for READY ad0: invalidating queued requests - resetting ata0: resetting devices .. ad0: invalidating queued requests ad0: DMA limited to UDMA33, non-ATA66 cable or device ad1: invalidating queued requests ad0: no request for tag=0 ... until the system wedges solid Further information: http://www.knigma.org/freebsd/tagdeath/info.txt >How-To-Repeat: Occured twice. I was using dump from ad0 -> a file on ad1. At the same time, I was browsing some large .jpg's on ad0 using xzgv. On both occations the dump had been running for several hours before the failure. The simultaneous xzgv appeared to be the trigger. Before setting hw.ata.tags="1" today, to test 4.7-PRERELEASE (first time I've every tried tagged queuing), the system was very stable. >Fix: Don't set hw.ata.tags="1". >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message