From owner-freebsd-smp Tue May 20 10:03:32 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id KAA13296 for smp-outgoing; Tue, 20 May 1997 10:03:32 -0700 (PDT) Received: from hub.org (root@hub.org [207.107.138.200]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id KAA13289 for ; Tue, 20 May 1997 10:03:28 -0700 (PDT) Received: from localhost (scrappy@localhost) by hub.org (8.8.5/8.7.5) with SMTP id NAA07627; Tue, 20 May 1997 13:03:10 -0400 (EDT) Date: Tue, 20 May 1997 13:03:08 -0400 (EDT) From: "Marc G. Fournier" To: Steve Passe cc: randyd@nconnect.net, smp@FreeBSD.ORG Subject: Re: postgresql build failure on SMP machine In-Reply-To: <199705201657.KAA02325@Ilsa.StevesCafe.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-smp@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Tue, 20 May 1997, Steve Passe wrote: > Hi, > > >I built a UP kernel on the SMP machine and boot to it. Incurred the > >same problem. > > If I am understanding you correctly a NON SMP kernel exhibits this problem. > If this is true then its obviously not an SMP problem. If the issue is that > you observe this problem on an SMP motherboard, but don't on other hardware >you test with, it is *probably* not related to the SMP specific portion of the > hardware. I think a more detailed description of just where it runs and where > it fails is needed. FYI, in case this helps...I'm maintainer for hte source code of PostgreSQL, and am running it on both FreeBSD 3.0-Current at home as well as FreeBSD 2.2 at the office, neither having exhibited this problem... You made a comment in a previous email about running other processes... PostgreSQL forks off 'child processes' for each incoming request, with it using Shared Memory (SysV IPC) to communicate between processes...if that makes any difference, or helps... The initdb command that Randy was talking about doesn't fork off any process though, the forking only occurs on an initialized/live system Marc G. Fournier scrappy@hub.org Systems Administrator @ hub.org scrappy@freebsd.org