From owner-freebsd-questions Fri Oct 22 4:10:58 1999 Delivered-To: freebsd-questions@freebsd.org Received: from malkav.snowmoon.com (machine-126-237.cdcsd.k12.ny.us [208.20.126.237]) by hub.freebsd.org (Postfix) with SMTP id A053A14EA5 for ; Fri, 22 Oct 1999 04:10:55 -0700 (PDT) (envelope-from jaime@malkav.snowmoon.com) Received: (qmail 72001 invoked by uid 1001); 22 Oct 1999 11:10:54 -0000 Received: from localhost (sendmail-bs@127.0.0.1) by localhost with SMTP; 22 Oct 1999 11:10:54 -0000 Date: Fri, 22 Oct 1999 07:10:53 -0400 (EDT) From: Jaime Kikpole To: Jim Manley Cc: freebsd-questions@freebsd.org Subject: Re: panic:page faults In-Reply-To: <4.1.19991021231756.00970200@mail.metronet.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, 21 Oct 1999, Jim Manley wrote: > My FBSD 3.3-stable box has started to panic with page faults upon reboot. > When I reboot the box, it goes through the probe upto the point where it > waits for the SCSI devices to settle then, WHAM -- page fault, panic, reboot. > > fatal trap 12: page fault while in kernel mode > fault virtual address = 0x1c > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc011ca61 > stack pointer = 0x10:0xc0232328 > frame pointer = 0x10:0xc02323b4 > 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 = idle > interrupt mask = > trap number = 12 > panic: page fault > > Am I looking at a hardware problem here (i.e, bad simm)? I haven't changed > hardware configuration of the box in several months. Its possible. I'm not expert on this sort of thing, but I used to have a K5 based system that could only reach uptimes of 3 to 20 days. (You should have seen the look on my friend's face when I complained about this to him.... "Only?!?") I often found slight typos in the source code of the kernel or a port that I was installing. Usually it was something like a ^L taking the place of the correct letter. I dealt with this for months and then tried to diagnose it but ended up only discovering that my computer was unable to cold boot anymore. You might want to test a different hard drive, SCSI controller, SIMM or DIMM, and/or mother board, just to see if the problem stops. Alternately, it might be a partitioning or disk label problem, which the hard drive swap would also fix. Of course, if it was a bad software config, the hard drive swap would fix that, too. :) Anyway, point was that it *might* be hardware. I can't offer much advise, only my previous experiences. Good luck, Jaime To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message