From owner-freebsd-bugs Tue Mar 7 13:46:27 1995 Return-Path: bugs-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id NAA27141 for bugs-outgoing; Tue, 7 Mar 1995 13:46:27 -0800 Received: from brasil.moneng.mei.com (brasil.moneng.mei.com [151.186.20.4]) by freefall.cdrom.com (8.6.10/8.6.6) with SMTP id NAA27129 for ; Tue, 7 Mar 1995 13:46:21 -0800 Received: by brasil.moneng.mei.com (4.1/SMI-4.1) id AA12068; Tue, 7 Mar 95 15:43:39 CST From: Joe Greco Message-Id: <9503072143.AA12068@brasil.moneng.mei.com> Subject: Re: 2.0R latest boot floppy bug(?) To: jhs@regent.e-technik.tu-muenchen.de (Julian Howard Stacey) Date: Tue, 7 Mar 1995 15:43:39 -0600 (CST) Cc: bde@zeta.org.au, bugs@FreeBSD.org In-Reply-To: <199503010101.CAA07329@vector.eikon.e-technik.tu-muenchen.de> from "Julian Howard Stacey" at Mar 1, 95 02:01:29 am X-Mailer: ELM [version 2.4beta PL9] Content-Type: text Content-Length: 1615 Sender: bugs-owner@FreeBSD.org Precedence: bulk > Re. > ---- > From: Bruce Evans > > >Fatal trap 18: integer divide fault while in kernel mode > > Did it once work? > > Apparently the geometry obtained from the BIOS is unreliable. > It seems to be 1023 cylinders (the driver adds 2 for bogus > reasons), 256 heads (physically impossible) and 0 sectors > (also physically impossible). > ------ > I have seen all manner of weird bugs since trying (& failing ) to install on > a friends 386 + 8M + FPU, ISA, no cd, no ether, no exotic hardware, > I have seen page fault in kernel mode, > I have seen dos fdisk (yeah sure, not ours, but part of my problem) > no able to cope with > 1023 cyls, > checkit (a dos .exe pack) also cant cope > 1023 > I have seen my ide maxtor repeatedly incremented from 1648 cyls to > about 1652 After repeatedly trying different things, including several different motherboards (one was a 486DX2/80 with *very* *recent* BIOS), I have temporarily given up hope for this poor little RLL disk. Since it works fine if you just go and use it, I am thinking that a possible "fix" for me would be to hardwire in the C/H/S values... somewhere... All of the systems come up with garbage for the probe values. I don't know for sure that the BIOS is lying, and find it hard to believe that several different BIOS'es would lie in the same manner. But I don't have time to futz with it for a few weeks, I think. ... Joe ------------------------------------------------------------------------------- Joe Greco - Systems Administrator jgreco@ns.sol.net Solaria Public Access UNIX - Milwaukee, WI 414/342-4847