From owner-freebsd-current@FreeBSD.ORG Thu Aug 7 21:08:27 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 768A537B41F for ; Thu, 7 Aug 2003 21:08:25 -0700 (PDT) Received: from mail26d.sbc-webhosting.com (mail26d.sbc-webhosting.com [216.173.237.167]) by mx1.FreeBSD.org (Postfix) with SMTP id 55B3A43FA3 for ; Thu, 7 Aug 2003 21:08:24 -0700 (PDT) (envelope-from alc@imimic.com) Received: from www.imimic.com (64.143.12.21)4-0189685684; Fri, 8 Aug 2003 00:08:08 -0400 (EDT) Sender: alc@FreeBSD.ORG Message-ID: <3F332226.B9C7EE2@imimic.com> Date: Thu, 07 Aug 2003 23:08:06 -0500 From: "Alan L. Cox" Organization: iMimic Networking, Inc. X-Mailer: Mozilla 4.8 [en] (X11; U; Linux 2.4.2 i386) X-Accept-Language: en MIME-Version: 1.0 To: Kris Kennaway References: <20030807204641.GC76161@rot13.obsecurity.org> Content-Type: text/plain; charset=x-user-defined Content-Transfer-Encoding: 7bit X-Loop-Detect: 1 cc: alc@FreeBSD.org cc: current@FreeBSD.org Subject: Re: LOR (vm_fault.c:286 and vm_kern.c:323) 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: Fri, 08 Aug 2003 04:08:28 -0000 Kris Kennaway wrote: > > I don't think I've seen this i386 traceback before. Is it harmless as > well? > Yes. In general, any LOR involving a system map mutex and a vm object mutex that has a stack trace looking like _mtx_lock_flags() _vm_map_lock() kmem_malloc() page_alloc() slab_zalloc() uma_zone_slab() uma_zalloc_internal() uma_zfree_arg() ... is not a problem. Regards, Alan