From owner-freebsd-bugs@FreeBSD.ORG Fri Apr 2 09:08:36 2004 Return-Path: Delivered-To: freebsd-bugs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A40DC16A4CE for ; Fri, 2 Apr 2004 09:08:36 -0800 (PST) Received: from osiris.ipform.ru (osiris.itlegion.ru [212.248.52.90]) by mx1.FreeBSD.org (Postfix) with ESMTP id F26C543D3F for ; Fri, 2 Apr 2004 09:08:35 -0800 (PST) (envelope-from matrix@itlegion.ru) Received: from artem (artem.office.ipform.ru [192.168.0.12]) by osiris.ipform.ru (8.12.6/8.12.6) with ESMTP id i32H8YXg000972 for ; Fri, 2 Apr 2004 21:08:35 +0400 (MSD) (envelope-from matrix@itlegion.ru) X-AntiVirus: Checked by Dr.Web (http://www.drweb.net) Message-ID: <001001c418d4$9ae7ea80$0c00a8c0@artem> From: "Artem Koutchine" To: Date: Fri, 2 Apr 2004 21:04:33 +0400 Organization: IT Legion MIME-Version: 1.0 Content-Type: text/plain; charset="koi8-r" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: there is a bug in twe driver or disk subsystem for sure X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Apr 2004 17:08:36 -0000 I am running 5.2-CURRENT. The box has 3w 8506-4LP SATA raid controller and freebsd is install onto raid5 array. Almost everytime i pull a hotswap disk (one out of four) or when very heavy disk activity (like background fsck after crashing on a 310GB label) i get the following after 10 or so minutes of uptime: Memory modified after free 0x788f400(508) val=20202020 @ 0xe788f400 panic: Most recently used by devbuf at line 128 in file /usr/src/sys/udm_dbg.c cpu=0; Debugger ("panic") Stopped at Debugger +0.46: xchgl %ebx, in_Debugger.0 and i typed 'c' in debugger: the system started to shutdown and here is what i saw: twe0: failed to delete unit 0 stray irq9 The box is: permicro X5DPE-G2 motherboard DUAL XEON 2.66Ghz (HT enabled) 533Mhz bus 2GB RAM 4 SATA SEAGTE 120GB DRIVES 3WARE 8506-4LP SATA RAID5 CONTROLLER