From owner-freebsd-questions@FreeBSD.ORG Thu Jan 6 15:02:42 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9640516A4CE for ; Thu, 6 Jan 2005 15:02:42 +0000 (GMT) Received: from stewie.obfuscated.net (stewie.obfuscated.net [66.118.188.125]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6E7E843D1F for ; Thu, 6 Jan 2005 15:02:42 +0000 (GMT) (envelope-from m@obmail.net) Received: from [192.168.1.104] (653259hfc120.tampabay.rr.com [65.32.59.120]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by stewie.obfuscated.net (Postfix) with ESMTP id 040876104 for ; Thu, 6 Jan 2005 10:02:41 -0500 (EST) Mime-Version: 1.0 (Apple Message framework v619) Content-Transfer-Encoding: 7bit Message-Id: Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed To: freebsd-questions@freebsd.org From: M Date: Thu, 6 Jan 2005 10:01:54 -0500 X-Mailer: Apple Mail (2.619) Subject: SMP and NFS X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Jan 2005 15:02:42 -0000 I have a system that is being used as a high performance NFS server FreeBSD nfs2 5.3-RELEASE-p2 FreeBSD 5.3-RELEASE-p2 #1: Tue Jan 4 19:14:40 EST 2005 root@nfs2:/usr/obj/usr/src/sys/NFS i386 Two CPUs (tried hyperthreading and not), 4 GB of memory CPU: Intel(R) Xeon(TM) CPU 2.40GHz (2400.10-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0xf29 Stepping = 9 Features=0xbfebfbff Hyperthreading: 2 logical CPUs real memory = 4160225280 (3967 MB) avail memory = 4073271296 (3884 MB) FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs cpu0 (BSP): APIC ID: 0 cpu1 (AP): APIC ID: 6 The NFS exported filesystem is on a Q-Logic FC card isp0: port 0x4000-0x40ff mem 0xf8300000-0xf8300fff irq 28 at device 3.0 on pci3 isp0: [GIANT-LOCKED] The disk is formated UFS2 and is big, but not *that* big yet /dev/da1s1d 471860682 206516934 227594894 48% /usr/local/export Every 12 hours or so the system crashes with a hard lock and no error messages in /var/log/messages or on the screen. I've moved all the disks to a duplicate system. If it continues to lock hard what's the possibility the issue is SMP?