From owner-freebsd-current@FreeBSD.ORG  Mon Sep  1 02:07:18 2003
Return-Path: <owner-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 9671D16A4BF
	for <current@FreeBSD.org>; Mon,  1 Sep 2003 02:07:18 -0700 (PDT)
Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 5CE4A43F85
	for <current@FreeBSD.org>; Mon,  1 Sep 2003 02:07:17 -0700 (PDT)
	(envelope-from phk@phk.freebsd.dk)
Received: from critter.freebsd.dk (localhost [127.0.0.1])
	by critter.freebsd.dk (8.12.9/8.12.9) with ESMTP id h8197Bi8029646;
	Mon, 1 Sep 2003 11:07:12 +0200 (CEST)
	(envelope-from phk@phk.freebsd.dk)
To: "Kenneth D. Merry" <ken@kdm.org>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Mon, 01 Sep 2003 00:48:41 MDT."
             <20030901064840.GA61253@panzer.kdm.org> 
Date: Mon, 01 Sep 2003 11:07:11 +0200
Message-ID: <29645.1062407231@critter.freebsd.dk>
cc: current@FreeBSD.org
Subject: Re: need some debugging help 
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.1
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: Mon, 01 Sep 2003 09:07:18 -0000

In message <20030901064840.GA61253@panzer.kdm.org>, "Kenneth D. Merry" writes:

>In particular, I went through some interesting permutations in
>taskqueue_kthread() to make things work right:
>
> - I tried holding Giant when calling tsleep, but it complained that I
>   didn't own Giant.

I have had a similar issue a couple of places in the giant/no-giant
shims for GEOM.  I found one convenient trick was to sleep with a
timeout instead.  It's not beautiful but it works.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.