From owner-freebsd-stable@FreeBSD.ORG Mon Jun 16 11:21:21 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 02AE2106564A for ; Mon, 16 Jun 2008 11:21:21 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from ftp.translate.ru (ftp.translate.ru [195.131.4.140]) by mx1.freebsd.org (Postfix) with ESMTP id B34D48FC0A for ; Mon, 16 Jun 2008 11:21:20 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from [192.18.98.62] (brmea-proxy-1.Sun.COM [192.18.98.62]) (Authenticated sender: lev@serebryakov.spb.ru) by ftp.translate.ru (Postfix) with ESMTPA id 18D4E13DF92 for ; Mon, 16 Jun 2008 15:21:17 +0400 (MSD) Message-ID: <48564CAB.4030102@FreeBSD.org> Date: Mon, 16 Jun 2008 15:21:15 +0400 From: Lev Serebryakov Organization: FreeBSD Project User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.14) Gecko/20071210 Thunderbird/1.5.0.14 Mnenhy/0.7.4.0 MIME-Version: 1.0 To: freebsd-stable@freebsd.org References: <372651116.20080615162317@serebryakov.spb.ru> <941206638.20080615163521@serebryakov.spb.ru> <485612AD.2000301@FreeBSD.org> In-Reply-To: <485612AD.2000301@FreeBSD.org> Content-Type: text/plain; charset=windows-1251; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: FreeBSD 7-STABLE deadlock! X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Jun 2008 11:21:21 -0000 Lev Serebryakov wrote: > It seems to be ATA/SATA or UFS2 problem: now I have computer in state, > when 4 iozone processes are hanged in "Disk wait" state, and I can not > "cd" to filesystem, which is tested by "iozone". > But I can create processes, work on system, etc., if I don't touch this > filesystem. I can reproduce it, creating gmirror on 5 disks (yes, not very useful configuration, but I've started from non-base-system RAID5 and need to exclude it), FS with 64Kb blocks, and 4 threads of iozone with mixed workload (-i 8 -+p 70). All 5 disks are ICH9DO-based, SATA-II WD5000AAKS HDDs. -- // Lev Serebryakov