From owner-freebsd-bugs Tue Oct 22 13:49:02 1996 Return-Path: owner-bugs Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id NAA01331 for bugs-outgoing; Tue, 22 Oct 1996 13:49:02 -0700 (PDT) Received: from colin.muc.de (root@colin.muc.de [193.174.4.1]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id NAA01307; Tue, 22 Oct 1996 13:48:55 -0700 (PDT) Received: from tavari.muc.de ([193.174.4.22]) by colin.muc.de with SMTP id <86026-1>; Tue, 22 Oct 1996 22:48:26 +0200 Received: from [192.168.42.51] (aleisha.tavari.muc.de [192.168.42.51]) by tavari.muc.de (8.7.5/8.7.3) with ESMTP id WAA02215; Tue, 22 Oct 1996 22:41:54 +0200 (MET DST) X-Sender: lutz@mail Message-Id: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Tue, 22 Oct 1996 22:50:17 +0200 To: "Justin T. Gibbs" From: Lutz Albers Subject: Re: kern/1852 Cc: freebsd-bugs@freefall.freebsd.org Sender: owner-bugs@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Justin T. Gibbs wrote on 20.10.1996 Re: kern/1852 >Synopsis: random file system corruptions with 2.1.5R and adaptec 2742 > >State-Changed-From-To: open-analyzed >State-Changed-By: gibbs >State-Changed-When: Sun Oct 20 11:18:22 PDT 1996 >State-Changed-Why: >These types of problems with the 2842 controller are usually related >to cache invalidation or other DMA hardware problems with the motherboard. >You should try disabling your external and possibly your internal cache >and see if the problem persists. >I have disabled my external cache, and the problem is still there (hitting >the >/dev directory this time :-( >I will now disable the internal cache ... Well, I've disabled the internal cache as well, and the bug hasn't bitten me yet. But disabling both caches reduces the machine to a crawl :-( Note that the Synopsis-line was wrong. I have an Adaptec 2842, not a 2742 (the VL-bus model). lutz --------------------------------------------------------------------- Lutz Albers | What's good ? Luederitzstr. 14, 81929-Muenchen, Germany | Life's good - ph: +49-89-93940363 | But not fair at all fax:+49-89-93940365 | (Lou Reed) Do not take life too seriously, you will never get out of it alive.