From owner-freebsd-current@FreeBSD.ORG Wed Jul 9 20:22:04 2003 Return-Path: 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 2D9C737B401 for ; Wed, 9 Jul 2003 20:22:04 -0700 (PDT) Received: from gw.catspoiler.org (217-ip-163.nccn.net [209.79.217.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6B0DF43FBF for ; Wed, 9 Jul 2003 20:22:03 -0700 (PDT) (envelope-from truckman@FreeBSD.org) Received: from FreeBSD.org (mousie.catspoiler.org [192.168.101.2]) by gw.catspoiler.org (8.12.9/8.12.9) with ESMTP id h6A3LtM7014326; Wed, 9 Jul 2003 20:21:59 -0700 (PDT) (envelope-from truckman@FreeBSD.org) Message-Id: <200307100321.h6A3LtM7014326@gw.catspoiler.org> Date: Wed, 9 Jul 2003 20:21:55 -0700 (PDT) From: Don Lewis To: peter@holm.cc In-Reply-To: <20030709091929.GA25681@peter.osted.lan> MIME-Version: 1.0 Content-Type: TEXT/plain; charset=us-ascii cc: freebsd-current@FreeBSD.org Subject: Re: Deadlock X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Jul 2003 03:22:04 -0000 On 9 Jul, Peter Holm wrote: > Here's a trace from a deadlock in a kernel from Jul 8 13:51 UTC: > > http://people.freebsd.org/~pho/stress/cons36.html It sure looks like a mutex implementation problem. Process 4616 is waiting on pool mutex c05dd04c, but this process doesn't show up on the blocked queue for the mutex. That sounds a lot like the bug fixed in rev 1.129 of kern_mutex.c.