From owner-freebsd-current@FreeBSD.ORG  Fri Aug 13 23:01:16 2004
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 0692C16A4CE
	for <freebsd-current@freebsd.org>;
	Fri, 13 Aug 2004 23:01:16 +0000 (GMT)
Received: from mail.imp.ch (ns1.imp.ch [157.161.1.2])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 525AE43D31
	for <freebsd-current@freebsd.org>;
	Fri, 13 Aug 2004 23:01:15 +0000 (GMT)	(envelope-from mb@imp.ch)
Received: from cvs.imp.ch (cvs.imp.ch [157.161.4.9])
	by mail.imp.ch (8.12.9p2/8.12.3) with ESMTP id i7DN18ZW067320
	for <freebsd-current@freebsd.org>;
	Sat, 14 Aug 2004 01:01:10 +0200 (CEST)
	(envelope-from Martin.Blapp@imp.ch)
Date: Sat, 14 Aug 2004 01:01:08 +0200 (CEST)
From: Martin Blapp <mb@imp.ch>
To: freebsd-current@freebsd.org
In-Reply-To: <20040813225236.GA69675@nowhere>
Message-ID: <20040814005716.Q31181@cvs.imp.ch>
References: <20040813121208.M31181@cvs.imp.ch>
	<20040813225236.GA69675@nowhere>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
X-Spam-Checksum: f45dcdbeaaa5fbebc527463f6cb5aa85
X-Virus-Message-Status: No
X-Virus-Status: No, scantime="0.0105 seconds"
X-Spam-Status: No, hits=-4.9 required=5 scantime="1.9807 seconds"
	tests=BAYES_00
X-Scanned-By: MIMEDefang 2.44
Subject: Re: Deadlocks with recent SMP current
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: Fri, 13 Aug 2004 23:01:16 -0000


Hi,

> Just a "me too", I have an SMP system running 8/5/04 current that hard
> locks randomly.  It seems to happen more often when there is moderate
> I/O load, such as extracting a tar file or compiling a kernel, but it
> has happened while almost completely idle too.  DDB is in the kernel but
> cannot be accessed as the system is frozen solid (I do not have NMI
> capability on this machine).

Do you use procfs ?

Martin