From owner-freebsd-current@FreeBSD.ORG  Thu Jul 28 20:24:02 2005
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
X-Original-To: freebsd-current@FreeBSD.org
Delivered-To: freebsd-current@FreeBSD.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id DAE5B16A41F;
	Thu, 28 Jul 2005 20:24:02 +0000 (GMT)
	(envelope-from julian@elischer.org)
Received: from postoffice.vicor-nb.com (postoffice.vicor.com [69.26.56.52])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 6C29143D4C;
	Thu, 28 Jul 2005 20:24:02 +0000 (GMT)
	(envelope-from julian@elischer.org)
Received: from localhost (localhost [127.0.0.1])
	by postoffice.vicor-nb.com (Postfix) with ESMTP
	id 124424CE9FE; Thu, 28 Jul 2005 13:24:02 -0700 (PDT)
Received: from postoffice.vicor-nb.com ([127.0.0.1])
	by localhost (postoffice.vicor-nb.com [127.0.0.1]) (amavisd-new,
	port 10024)
	with ESMTP id 48646-02; Thu, 28 Jul 2005 13:24:01 -0700 (PDT)
Received: from [208.206.78.97] (julian.vicor-nb.com [208.206.78.97])
	by postoffice.vicor-nb.com (Postfix) with ESMTP
	id 8D1514CE9C6; Thu, 28 Jul 2005 13:24:01 -0700 (PDT)
Message-ID: <42E93EE1.2090009@elischer.org>
Date: Thu, 28 Jul 2005 13:24:01 -0700
From: Julian Elischer <julian@elischer.org>
User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.8) Gecko/20050629
X-Accept-Language: en, hu
MIME-Version: 1.0
To: Pawel Jakub Dawidek <pjd@FreeBSD.org>
References: <42E88135.30603@elischer.org> <42E88F2B.5000108@elischer.org>
	<20050728082844.GW46538@darkness.comp.waw.pl>
	<42E898A6.6010803@elischer.org>
	<20050728115251.GA20091@beatrix.daedalusnetworks.priv>
	<20050728135613.GD46538@darkness.comp.waw.pl>
In-Reply-To: <20050728135613.GD46538@darkness.comp.waw.pl>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
X-Virus-Scanned: by amavisd-new at postoffice.vicor.com
Cc: FreeBSD Current <freebsd-current@FreeBSD.org>, re@freebsd.org,
	Giorgos Keramidas <keramida@FreeBSD.org>
Subject: Re: 6.0 VFS/VM over-runs. Was: Apparent strange disk behaviour in
 6.0
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 28 Jul 2005 20:24:03 -0000

This is an absolute show stopper for 6.0


Pawel Jakub Dawidek wrote:

>On Thu, Jul 28, 2005 at 02:52:51PM +0300, Giorgos Keramidas wrote:
>+> On 2005-07-28 01:34, Julian Elischer <julian@elischer.org> wrote:
>+> > I wonder if there is some tunable that can be changed? or whether it's
>+> > just a bug..
>+> >
>+> > I think that a write that finds no buffer space should first free old
>+> > unused buffers, and if there aren't any it should just wait.  Where's
>+> > alan when you need him :-)
>+> 
>+> Setting vm.swap_idle_enabled to 0 seemed to help when I observed similar
>+> problems in the past.  I thought this was fixed months ago though.  It
>+> may be a false impression I got by forgetting to re-enable it and check
>+> that this was indeed fixed.
>
>Setting vm.swap_idle_enabled to 0 doesn't work for me.
>
>  
>