From owner-freebsd-threads@FreeBSD.ORG  Mon Apr 21 08:41:41 2003
Return-Path: <owner-freebsd-threads@FreeBSD.ORG>
Delivered-To: freebsd-threads@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 90D4C37B405
	for <threads@freebsd.org>; Mon, 21 Apr 2003 08:41:41 -0700 (PDT)
Received: from mail.pcnet.com (mail.pcnet.com [204.213.232.4])
	by mx1.FreeBSD.org (Postfix) with ESMTP id BB5BD43FE0
	for <threads@freebsd.org>; Mon, 21 Apr 2003 08:41:40 -0700 (PDT)
	(envelope-from eischen@pcnet1.pcnet.com)
Received: from pcnet1.pcnet.com (localhost [127.0.0.1])
	by mail.pcnet.com (8.12.8/8.12.1) with ESMTP id h3LFfeBg021551;
	Mon, 21 Apr 2003 11:41:40 -0400 (EDT)
Received: from localhost (eischen@localhost)h3LFfdDV021548;
	Mon, 21 Apr 2003 11:41:39 -0400 (EDT)
Date: Mon, 21 Apr 2003 11:41:39 -0400 (EDT)
From: Daniel Eischen <eischen@pcnet1.pcnet.com>
To: David Xu <davidxu@viatech.com.cn>
In-Reply-To: <000b01c30816$e71101a0$0701a8c0@tiger>
Message-ID: <Pine.GSO.4.10.10304211137450.20924-100000@pcnet1.pcnet.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
cc: threads@freebsd.org
Subject: Re: Thread-related LOR in exit1() (fwd)
X-BeenThere: freebsd-threads@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Threading on FreeBSD <freebsd-threads.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-threads>,
	<mailto:freebsd-threads-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-threads>
List-Post: <mailto:freebsd-threads@freebsd.org>
List-Help: <mailto:freebsd-threads-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-threads>,
	<mailto:freebsd-threads-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 21 Apr 2003 15:41:41 -0000

On Mon, 21 Apr 2003, David Xu wrote:
> ----- Original Message ----- 
> From: "Daniel Eischen" <eischen@pcnet1.pcnet.com>
> To: <threads@freebsd.org>
> Cc: <davidxu@freebsd.org>
> Sent: Monday, April 21, 2003 10:33 PM
> Subject: Thread-related LOR in exit1() (fwd)
> 
> 
> > David, did you see this message sent to -current?
> > 
> I have committed a fix.
> 
> > Also, I have scope system threads running in a simple test.  I'm
> > getting EPROCLIM though when trying to create more than 4 or so
> > of them (KSEs with their own KSEG).
> > 
> 
> Yeah,  sysctl -a |grep kern.threads
> should show the reason,  please increase max_groups_per_proc sysctl by hand,
> I know it's too small. :-)

Yeah, it should probably be whatever libthr uses for max
threads (KSEs).  Perhaps minus the number of virtual CPUs
(upcalls) allowed in the main KSEG.

> > Here's the patches to libpthread that I'm currently using along
> > with a test program.
> > 
> >     http://people.freebsd.org/~deischen/kse/libpthread.diffs
> >     http://people.freebsd.org/~deischen/kse/thread_test2.c
> > 
> I am going to sleep again,  I will test it tomorrow.
> it seems KMF_NOCOMPLETED should be added in _kse_lock_wait().

That's all you do is sleep!  I'll look at using KMF_NOCOMPLETED
in _kse_lock_wait().

-- 
Dan Eischen