From owner-freebsd-hackers Sat Jan 13 05:37:39 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id FAA26901 for hackers-outgoing; Sat, 13 Jan 1996 05:37:39 -0800 (PST) Received: from Root.COM (implode.Root.COM [198.145.90.17]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id FAA26892 for ; Sat, 13 Jan 1996 05:37:35 -0800 (PST) Received: from corbin.Root.COM (corbin [198.145.90.50]) by Root.COM (8.6.12/8.6.5) with ESMTP id FAA00499; Sat, 13 Jan 1996 05:37:35 -0800 Received: from localhost (localhost [127.0.0.1]) by corbin.Root.COM (8.7.3/8.6.5) with SMTP id FAA00157; Sat, 13 Jan 1996 05:37:31 -0800 (PST) Message-Id: <199601131337.FAA00157@corbin.Root.COM> To: john@starfire.mn.org cc: hackers@FreeBSD.org (FreeBSD hackers) Subject: Re: random coredumps since upgrade to 2.1 In-reply-to: Your message of "Sat, 13 Jan 1996 06:03:30 CST." <199601131203.GAA28890@starfire.mn.org> From: David Greenman Reply-To: davidg@Root.COM Date: Sat, 13 Jan 1996 05:37:31 -0800 Sender: owner-hackers@FreeBSD.org Precedence: bulk >Since doing the install upgrade to 2.1, I have had programs randomly >coredumping on me. So far, it's been XSVGA (twice), tcsh (once, while >executing .csh, gzcat (once, while unzipping a man page), and popper >(once, while servicing a request). There has been no clue at any >time what has caused the problem, and it is totally non-deterministic >and non-repeatable. This was not happening under 2.0.5, and I have >not changed any hardware settings. > >The eystem is a noname 486-GIO-VT motherboard with only ISA equipment >in it, a 1542B running at 8Mhz bus rate, NE2000-compatible NIC, >Cy486DLC(2/66), and a Tseng Labs ET4000-based SVGA card. > >Any clues of where to start? It's generally not safe to run the 1542B at 8Mhz. I had a lot of problems doing that back when I had one. I suggest lowering it to 5.7Mhz and see if this helps the situation any. Also make sure that your ISA bus speed is at 8 or 8.33Mhz - the 1542B gets real unhappy if the ISA bus speed is too slow. -DG David Greenman Core Team/Principal Architect, The FreeBSD Project