From owner-freebsd-hackers  Tue May 13 00:35:40 1997
Return-Path: <owner-hackers>
Received: (from root@localhost)
          by hub.freebsd.org (8.8.5/8.8.5) id AAA06829
          for hackers-outgoing; Tue, 13 May 1997 00:35:40 -0700 (PDT)
Received: from csd.cs.technion.ac.il (csd.cs.technion.ac.il [132.68.32.8])
          by hub.freebsd.org (8.8.5/8.8.5) with SMTP id AAA06817
          for <hackers@freebsd.org>; Tue, 13 May 1997 00:35:23 -0700 (PDT)
Received: from localhost (nadav@localhost) by csd.cs.technion.ac.il (8.6.11/8.6.10) with SMTP id KAA21462; Tue, 13 May 1997 10:34:41 +0300
X-Authentication-Warning: csd.cs.technion.ac.il: nadav owned process doing -bs
Date: Tue, 13 May 1997 10:34:41 +0300 (IDT)
From: Nadav Eiron <nadav@cs.technion.ac.il>
X-Sender: nadav@csd
To: Mr M P Searle <csubl@csv.warwick.ac.uk>
cc: chuckr@mat.net, hackers@freebsd.org
Subject: Re: shutdown
In-Reply-To: <985.199705121054@halicore.csv.warwick.ac.uk>
Message-ID: <Pine.GSO.3.95-heb-2.07.970513103327.21339A-100000@csd>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-hackers@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk



On Mon, 12 May 1997, Mr M P Searle wrote:

> > 
> > 
> > On Mon, 12 May 1997, Chuck Robey wrote:
> > 
  [snip]
> >
> 
> Well, if it's on its own filesystem and doesn't touch anything else, no
> problem whatever. If it does touch something else, I'd have to move it to
> the separate filesystem (assuming it's just a few things.)
> 
> Time savings?! It takes <1 second to kill everything, plus the 5 second wait
> and maybe a second to flush buffers. This is just for a splash screen type
> thing.
> 
> > There's one other (potential) problem with this: /tmp. X keeps files open
> > on /tmp, and if tmp is MFS and can't be umounted strange things sometimes
> > happen. I remember reading on this list (or was it -questions) that 2.1.5
> > will not (sometimes) flush its buffers with a MFS /tmp mounted. I've never
> > seen it on newer systems, but it wasn't consistent on 2.1.5R either, so
> > you can never know.
> > 
> 
> Well, my /tmp is MFS, and right now I'm still on 2.1.0 (soon to be 3.0). Can
> X be told to put its temp files somewhere else (like /var/tmp)? Actually,
> I've seen it fail to flush all buffers before. I assumed it was some ancient
> bug that would be fixed when I upgraded.
> 
> 
I only saw that on 2.1.5 (neither 2.1.0 nor 2.1.6 and later), but most of
the machines I use stay up and running for months, so I don't get to watch
that many shutdowns.

Nadav