From owner-freebsd-bugs@FreeBSD.ORG Sun Jul 9 23:10:20 2006 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org 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 E311916A4DE for ; Sun, 9 Jul 2006 23:10:20 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 66B5143D45 for ; Sun, 9 Jul 2006 23:10:20 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id k69NAKYr005796 for ; Sun, 9 Jul 2006 23:10:20 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.4/8.13.4/Submit) id k69NAKQ7005795; Sun, 9 Jul 2006 23:10:20 GMT (envelope-from gnats) Resent-Date: Sun, 9 Jul 2006 23:10:20 GMT Resent-Message-Id: <200607092310.k69NAKQ7005795@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, bymer Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D0EE816A4E9 for ; Sun, 9 Jul 2006 23:05:30 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [216.136.204.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id 912C343D45 for ; Sun, 9 Jul 2006 23:05:30 +0000 (GMT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.13.1/8.13.1) with ESMTP id k69N5UeW098949 for ; Sun, 9 Jul 2006 23:05:30 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id k69N5Ua6098948; Sun, 9 Jul 2006 23:05:30 GMT (envelope-from nobody) Message-Id: <200607092305.k69N5Ua6098948@www.freebsd.org> Date: Sun, 9 Jul 2006 23:05:30 GMT From: bymer To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-2.3 Cc: Subject: kern/99989: detaching disk X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 09 Jul 2006 23:10:21 -0000 >Number: 99989 >Category: kern >Synopsis: detaching disk >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Jul 09 23:10:19 GMT 2006 >Closed-Date: >Last-Modified: >Originator: bymer >Release: FreeBSD 6.1 RELEASE - STABLE i386 >Organization: >Environment: >Description: I have several computers of different configurations (other motherboards, controllers). Each have 14-20 hdd devices (ATA & SATA). Under heavy load, all of them periodically crashed (every 10-20 hours) with "disk detached" (random disk id) error. subdisk10: detached ad10: detached g_vfs_done():ad10s1h[READ(offset=289109770240, length=65536)]error = 6 g_vfs_done():ad10s1h[READ(offset=289297481728, length=131072)]error = 6 g_vfs_done():ad10s1h[READ(offset=296795766784, length=131072)]error = 6 -- skipped -- After it kernel panic (panic: vinvalbuf: dirty bufs) or hang. After reboot process all working fine. It's appear on all FreeBSD 6 versions, from 6.0 RELEASE to 6.1-STABLE. >How-To-Repeat: See full description. >Fix: I understand that disk I/O error happened, but detaching disk it's not a good idea. It's good to control detach process from sysctl variable or similar this. >Release-Note: >Audit-Trail: >Unformatted: