From owner-freebsd-current@FreeBSD.ORG Thu Oct 20 05:35:11 2005 Return-Path: X-Original-To: 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 1641416A41F; Thu, 20 Oct 2005 05:35:11 +0000 (GMT) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from transport.cksoft.de (transport.cksoft.de [62.111.66.27]) by mx1.FreeBSD.org (Postfix) with ESMTP id 954DE43D64; Thu, 20 Oct 2005 05:35:10 +0000 (GMT) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from transport.cksoft.de (localhost [127.0.0.1]) by transport.cksoft.de (Postfix) with ESMTP id 0D0601FF9A8; Thu, 20 Oct 2005 07:35:08 +0200 (CEST) Received: by transport.cksoft.de (Postfix, from userid 66) id 943371FF9A7; Thu, 20 Oct 2005 07:35:05 +0200 (CEST) Received: by mail.int.zabbadoz.net (Postfix, from userid 1060) id 18FB8158DF; Thu, 20 Oct 2005 05:33:31 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail.int.zabbadoz.net (Postfix) with ESMTP id 0EAD7153C4; Thu, 20 Oct 2005 05:33:32 +0000 (UTC) Date: Thu, 20 Oct 2005 05:33:31 +0000 (UTC) From: "Bjoern A. Zeeb" X-X-Sender: bz@e0-0.zab2.int.zabbadoz.net To: Brian Fundakowski Feldman In-Reply-To: <20051019221804.GA43031@green.homeunix.org> Message-ID: References: <20051016194819.GB3017@garage.freebsd.pl> <20051019221804.GA43031@green.homeunix.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Virus-Scanned: by AMaViS cksoft-s20020300-20031204bz on transport.cksoft.de Cc: Pawel Jakub Dawidek , FreeBSD current mailing list Subject: Re: mount memory modified after free X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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, 20 Oct 2005 05:35:11 -0000 On Wed, 19 Oct 2005, Brian Fundakowski Feldman wrote: > On Sun, Oct 16, 2005 at 09:48:19PM +0200, Pawel Jakub Dawidek wrote: > > On Sat, Oct 15, 2005 at 04:00:08PM +0000, Bjoern A. Zeeb wrote: > > +> Hi, > > +> > > +> I had /dev/ad8s4d mounted read only to /shared and > > +> /local/building/ports/shared, then unounted /shared and did a > > +> mount -u -o rw /local/building/ports/shared *kaboom* > > > > This is known problem. Multiple read-only mounts aren't safe. > > Do you mean that multiply-mounting both read-write and read-only isn't > safe? I don't think multiple read-only mounts are unsafe. multi-mounts with one or more r/w are not allowed imho. -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT