From owner-freebsd-hardware@FreeBSD.ORG  Fri Nov  7 16:00:09 2008
Return-Path: <owner-freebsd-hardware@FreeBSD.ORG>
Delivered-To: freebsd-hardware@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 13A23106564A;
	Fri,  7 Nov 2008 16:00:09 +0000 (UTC) (envelope-from jhs@berklix.org)
Received: from flat.berklix.org (flat.berklix.org [83.236.223.115])
	by mx1.freebsd.org (Postfix) with ESMTP id 81FE58FC1A;
	Fri,  7 Nov 2008 16:00:07 +0000 (UTC) (envelope-from jhs@berklix.org)
Received: from js.berklix.net (p549A4AF0.dip.t-dialin.net [84.154.74.240])
	(authenticated bits=0)
	by flat.berklix.org (8.13.8/8.13.8) with ESMTP id mA7FffZJ041935;
	Fri, 7 Nov 2008 16:41:42 +0100 (CET) (envelope-from jhs@berklix.org)
Received: from fire.js.berklix.net (fire.js.berklix.net [192.168.91.41])
	by js.berklix.net (8.13.8/8.13.8) with ESMTP id mA7FfZkt052627;
	Fri, 7 Nov 2008 16:41:35 +0100 (CET) (envelope-from jhs@berklix.org)
Received: from fire.js.berklix.net (localhost [127.0.0.1])
	by fire.js.berklix.net (8.13.8/8.13.8) with ESMTP id mA7FfKEF021236;
	Fri, 7 Nov 2008 16:41:25 +0100 (CET)
	(envelope-from jhs@fire.js.berklix.net)
Message-Id: <200811071541.mA7FfKEF021236@fire.js.berklix.net>
To: Jeremy Chadwick <koitsu@freebsd.org>
From: "Julian Stacey" <jhs@berklix.org>
Organization: http://berklix.com BSD Unix Linux Consultancy, Munich Germany
User-agent: EXMH on FreeBSD http://berklix.com/free/
X-URL: http://berklix.com
In-reply-to: Your message "Fri, 07 Nov 2008 00:36:26 PST."
	<20081107083626.GA1583@icarus.home.lan> 
Date: Fri, 07 Nov 2008 16:41:20 +0100
Sender: jhs@berklix.org
Cc: votdev@gmx.de, sos@freebsd.org, freebsd-stable@freebsd.org,
	Artem Belevich <fbsdlist@src.cx>, freebsd-hardware@freebsd.org
Subject: Re: Western Digital hard disks and ATA timeouts 
X-BeenThere: freebsd-hardware@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: General discussion of FreeBSD hardware <freebsd-hardware.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hardware>, 
	<mailto:freebsd-hardware-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hardware>
List-Post: <mailto:freebsd-hardware@freebsd.org>
List-Help: <mailto:freebsd-hardware-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hardware>, 
	<mailto:freebsd-hardware-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 07 Nov 2008 16:00:09 -0000

> But regardless of TLER being toggleable, FreeBSD's ATA command timeout
> of 5 seconds is too aggressive, and should be increased.  Likewise, the
> value should be a sysctl, so those who do want such aggressive values

Once it migrates from a constant to sysctl variable, could kernel maybe
also sniff the drives, & automatically set appropriate value ?
(Just an idea ? :-)

Cheers,
Julian
-- 
Julian Stacey: BSDUnixLinux C Prog Admin SysEng Consult Munich www.berklix.com
  Mail plain ASCII text.  HTML & Base64 text are spam. www.asciiribbon.org