From owner-freebsd-stable@FreeBSD.ORG Mon Mar 8 18:40:09 2004 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A38F416A4CE for ; Mon, 8 Mar 2004 18:40:09 -0800 (PST) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 94C0F43D39 for ; Mon, 8 Mar 2004 18:40:09 -0800 (PST) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id 84CA172DD2; Mon, 8 Mar 2004 18:40:09 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id 82DB772DCB; Mon, 8 Mar 2004 18:40:09 -0800 (PST) Date: Mon, 8 Mar 2004 18:40:09 -0800 (PST) From: Doug White To: "Forrest W. Christian" In-Reply-To: Message-ID: <20040308183906.E63095@carver.gumbysoft.com> References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-stable@freebsd.org Subject: Re: Kernel Dump X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Mar 2004 02:40:09 -0000 On Sat, 6 Mar 2004, Forrest W. Christian wrote: > I recently swapped out a motherboard in a FreeBSD server for a new Intel > Pentium 4 motherboard/processor to gain speed. > > Since that time, this machine has been randomly panicing such as: > > Fatal trap 12: page fault while in kernel mode > mp_lock = 00000003; cpuid = 0; lapic.id = 00000000 > fault virtual address = 0x36 null pointer offset deref. > fault code = supervisor write, page not present > instruction pointer = 0x8:0xc01f60fe > stack pointer = 0x10:0xf25cdab8 > frame pointer = 0x10:0xf25cdb58 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 454 (perl) > interrupt mask = net bio cam <- SMP: XXX > trap number = 12 > panic: page fault > mp_lock = 00000003; cpuid = 0; lapic.id = 00000000 > boot() called on cpu#0 > > >From my symbol table, this particular panic appears to have occured in > vm_fault: > > c01f5fcc T vm_fault > c01f6b1c T vm_fault_wire thats not too unsuprising. Can you follow the instructions in the handbook to get a crashdump and use gdb to get a backtrace? > > This appears to be pretty consistent (the instruction pointer). It used > to panic both where I mentioned above and also in pmap.c. Since I did the > last cvsup and kernel rebuild, I haven't seen one from the pmap area. > > Any ideas? > > - Forrest W. Christian (forrestc@imach.com) AC7DE > ---------------------------------------------------------------------- > The Innovation Machine Ltd. P.O. Box 5749 > http://www.imach.com/ Helena, MT 59604 > Home of PacketFlux Technologies and BackupDNS.com (406)-449-3345 > ---------------------------------------------------------------------- > Protect your personal freedoms - visit http://www.lp.org/ > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org