From owner-freebsd-questions Tue Jun 16 10:36:47 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id KAA15639 for freebsd-questions-outgoing; Tue, 16 Jun 1998 10:36:47 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from elvis.vnet.net (elvis.vnet.net [166.82.1.5]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id KAA15625 for ; Tue, 16 Jun 1998 10:36:30 -0700 (PDT) (envelope-from rivers@dignus.com) Received: from dignus.com (ponds.vnet.net [166.82.177.48]) by elvis.vnet.net (8.8.8/8.8.4) with ESMTP id NAA09639; Tue, 16 Jun 1998 13:35:43 -0400 (EDT) Received: from lakes.dignus.com (lakes [10.0.0.3]) by dignus.com (8.8.5/8.8.5) with ESMTP id OAA04164; Tue, 16 Jun 1998 14:01:53 -0400 (EDT) Received: (from rivers@localhost) by lakes.dignus.com (8.8.7/8.6.9) id NAA00650; Tue, 16 Jun 1998 13:35:57 -0400 (EDT) Date: Tue, 16 Jun 1998 13:35:57 -0400 (EDT) From: Thomas David Rivers Message-Id: <199806161735.NAA00650@lakes.dignus.com> To: dg@root.com, sysadmin@mfn.org Subject: RE: Is there any "race condition" in FFS? Cc: freebsd-questions@FreeBSD.ORG, hua@nease.net, rivers@dignus.com Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > Ahhh... Now I feel better! From the context, I thought this was a common > phenomenon... > > May I ask what hardware config and file system layout has been associated > with this (I'd *hate* to be one of the 1 in 200,000!)... The problem has been cited on 386, 486 and Pentium computers; with both SCSI and IDE drivers, and large/small memory sizes. It doesn't appear there's a direct correlation to any particular hardware. Could you send me your configuration so I can add it to the list? - Dave Rivers - > > J.A. Terranson > sysadmin@mfn.org > > Dave has had problems since nearly the very beginning of FreeBSD. If we > >were able to reproduce the problem, then we'd likely have fixed it. I believe > >there is a real problem, but it seems to show up in only about 1 in 200,000 > >systems. It is extremely unlikely that you'll ever see it. I think the problem > >is sensitive to filesystem layout and possibly some kind of race condition, > >but that's just a guess based on data that Dave has provided. > > We successfully handle several hundred thousand emails/day through the > >project's mail server, so if that's not good enough, then I don't really know > >what is. > > >-DG > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message