From owner-freebsd-current@FreeBSD.ORG Wed Dec 10 17:22:45 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 501871065678 for ; Wed, 10 Dec 2008 17:22:45 +0000 (UTC) (envelope-from onemda@gmail.com) Received: from yx-out-2324.google.com (yx-out-2324.google.com [74.125.44.28]) by mx1.freebsd.org (Postfix) with ESMTP id 01D9B8FC1A for ; Wed, 10 Dec 2008 17:22:44 +0000 (UTC) (envelope-from onemda@gmail.com) Received: by yx-out-2324.google.com with SMTP id 8so268333yxb.13 for ; Wed, 10 Dec 2008 09:22:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=fdNwcW5rWFIeiec5f+VENDeKsYXEzDMVQ3Qkb78vdYo=; b=AKzlWhZYZJPjAVFAomnD+O0/KtfU9jZ93famG873q72Wp5M73OrDqiMUXNZCjD9gJR DTaHH90L/PkrsyTSg2uYzRF6NQoqYbNddsFbWKjcCnZLQcAQMpJruN9UGKB+T7NUtIZQ nROTUIF+9zsXXJi2gj7lAfxBU3nw3UcNcTEeE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=feeTQqIs/YMRW18opnAUpLNXBP5AAn6AaeICGtqcF9eusvFWTjGEzZVM/188uOF/zD K289GIX7vuBhCC//sZczeZQQ2y8nfE62JEB9/tnCTEWnkRe9/ZaB8yWi1gZzih3sucbV BdzmuSmDMVE7b9BlwyMCgxAlss8qXUaclsJAg= Received: by 10.231.12.141 with SMTP id x13mr22292ibx.52.1228929763255; Wed, 10 Dec 2008 09:22:43 -0800 (PST) Received: by 10.231.17.8 with HTTP; Wed, 10 Dec 2008 09:22:43 -0800 (PST) Message-ID: <3a142e750812100922m553be9c6sdcd81d98c81c7ab4@mail.gmail.com> Date: Wed, 10 Dec 2008 18:22:43 +0100 From: "Paul B. Mahol" To: "John Baldwin" In-Reply-To: <200812091602.10850.jhb@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200811191510.53793.jhb@FreeBSD.org> <200812051608.50120.jhb@freebsd.org> <3a142e750812051354n747bcbcayb31d8d5f4cc15098@mail.gmail.com> <200812091602.10850.jhb@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: [PATCH] MPSAFE/LOOKUP_SHARED cd9660 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: Wed, 10 Dec 2008 17:22:45 -0000 On 12/9/08, John Baldwin wrote: > The RRIP stuff is all done in cd9660_vget_internal() under an exclusive > lock. > It could be a property of the ISO image. "PX" holds permissions (owner, > etc.). Do you get the same messages w/o the patch with the same ISO image / > CD? > > -- > John Baldwin > I searched little for this message and found kern/63446 PR interesting comment: Caused by cd9660_vnops.c rev. 1.77. VOP_READDIR returns bogus d_fileno, VFS_VGET on this value returns bogus vnode with zeroed attributes. I think that whatever locking is done is done wrong. -- Paul