From owner-freebsd-questions@FreeBSD.ORG Sun Dec 30 02:09:24 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 837D916A419 for ; Sun, 30 Dec 2007 02:09:24 +0000 (UTC) (envelope-from iain@workingsoftware.com.au) Received: from gulfstream.scoastnet.com.au (gulfstream.scoastnet.com.au [202.177.214.10]) by mx1.freebsd.org (Postfix) with ESMTP id 2561213C43E for ; Sun, 30 Dec 2007 02:09:23 +0000 (UTC) (envelope-from iain@workingsoftware.com.au) Received: from socata.scoastnet.com.au (socata.iaindooley.com [202.167.244.104]) by gulfstream.scoastnet.com.au (8.13.3/8.13.6) with ESMTP id lBU1Tdct073016 for ; Sun, 30 Dec 2007 12:29:39 +1100 (EST) (envelope-from iain@workingsoftware.com.au) Received: by socata.scoastnet.com.au (Postfix, from userid 1001) id 5CFBB22B13; Sun, 30 Dec 2007 12:29:35 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by socata.scoastnet.com.au (Postfix) with ESMTP id 5BFF922AA6 for ; Sun, 30 Dec 2007 12:29:35 +1100 (EST) Date: Sun, 30 Dec 2007 12:29:35 +1100 (EST) From: Iain Dooley To: freebsd-questions@freebsd.org Message-ID: <20071230122718.D2071@socata.scoastnet.com.au> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Subject: kernel panic 6.2-RELEASE SMP dual quad core X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 Dec 2007 02:09:24 -0000 hi all, uname -a FreeBSD HOSTNAME 6.2-RELEASE FreeBSD 6.2-RELEASE #0: Fri Jan 12 11:05:30 UTC 2007 root@dessler.cse.buffalo.edu:/usr/obj/usr/src/sys/SMP i386 running on dual quad core intel xeons with 4gb ram. my server has been rebooting quite a bit and stopped responding today. i found this on the console: Fatal trap: 12 page fault while in kernel mode cpuid = 5; apic id = 05 fault virtual address = 0x0 fault code = supervisor write, page not present instruction pointer = 0x20:0xc0880472 stack pointer = 0x28:0xe6ea9c8c code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = resume, IOPL = 0 current process = 12 (idle: cpu5) trap number = 12 panic: page fault cpuid = 5 uptime 24m41s cannot dump. no dump device specified i've configured the dump device and will follow the kernel debugging details in the handbook if it happens again but i thought i'd write in now in case the cause of the problem jumped out at anyone. i've run mprime for 24 hours, and memtest for 3 passes, and a script i wrote which just exhausts ram and CPU, then backs off and does it again which have been running for 24 hours. i've also just started running this: http://www.holm.cc/stress/ i noticed that the same "fatal trap 12" appeared during stress tests as listed here: http://people.freebsd.org/~pho/stress/log/cons224.html any help, guidance or information would be much appreciated. cheers iain