From owner-freebsd-hackers Wed Sep 8 10:44:15 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from dingo.cdrom.com (castles536.castles.com [208.214.165.100]) by hub.freebsd.org (Postfix) with ESMTP id EAD52156AF; Wed, 8 Sep 1999 10:44:10 -0700 (PDT) (envelope-from mike@dingo.cdrom.com) Received: from dingo.cdrom.com (localhost [127.0.0.1]) by dingo.cdrom.com (8.9.3/8.8.8) with ESMTP id KAA04322; Wed, 8 Sep 1999 10:36:06 -0700 (PDT) (envelope-from mike@dingo.cdrom.com) Message-Id: <199909081736.KAA04322@dingo.cdrom.com> X-Mailer: exmh version 2.0.2 2/24/98 To: "Addr.com Web Hosting" Cc: freebsd-isp@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG Subject: Re: Fequent panics in FreeBSD 3.3-RC In-reply-to: Your message of "Wed, 08 Sep 1999 10:37:21 PDT." <4.2.0.58.19990908102523.024fe2a0@mail3.addr.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 08 Sep 1999 10:36:06 -0700 From: Mike Smith Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Hi, > > I last night I have upgraded a system to the latest stable, and have > already received two of these panics: Do you have APM enabled on this system, even just in the BIOS? > uname -a reads > FreeBSD addr3.addr.com 3.3-RC FreeBSD 3.3-RC #0: Tue Sep 7 21:57:07 GMT 1999 > root@addr3.addr.com:/usr/src/sys/compile/ADDRKERN i386 > > the panic reads: > Fatal trap 12: page fault while in kernel mode > mp_lock = 01000002; cpuid = 1; lapic.id = 01000000 > fault virtual address = 0xc4e7f08c > fault code = supervisor write, page not present > instruction pointer = 0x8:0xc025f47a > stack pointer = 0x10:0xd2ed2f0c > frame pointer = 0x10:0xd2ed2f1c > 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 = 12498 (httpd) > interrupt mask = net tty bio cam <- SMP: XXX > trap number = 12 > panic: page fault > mp_lock = 01000002; cpuid = 1; lapic.id = 01000000 > boot() called on cpu#1 > > nm /kernel for that area shows: > > c025f314 T pmap_page_exists > c025f30c T pmap_pageable > c025f3a4 T pmap_remove_pages > c025f4e0 t pmap_testbit > > The server is a dual PentiumIII-450 with 512 MB of ram and DPT raid > controller. Max users is set at 256 (I don't know about this version, but > on previous versions setting it higher caused constant panics). It usually > runs at load average of about 2, serving apache/sendmail/telnet/ftpd/ipop3d > as well as a little bit of NFS data for local updates and a completely idle > NFS client. > I am unable to trace the panic to any particular event, the system can run > high load with no problems and one of the panics was in the evening when > the system was running at only 0.5 load average. > If you need any more info I would be glad to provide it. Any help regarding > this problem would be greatly appreciated. > > Best Regards, > Anthony Bourov > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > -- \\ The mind's the standard \\ Mike Smith \\ of the man. \\ msmith@freebsd.org \\ -- Joseph Merrick \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message