From owner-freebsd-current@FreeBSD.ORG Mon Dec 8 13:41:06 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 07A1C16A4CE for ; Mon, 8 Dec 2003 13:41:06 -0800 (PST) Received: from obsecurity.dyndns.org (adsl-63-207-60-234.dsl.lsan03.pacbell.net [63.207.60.234]) by mx1.FreeBSD.org (Postfix) with ESMTP id 36FB643D28 for ; Mon, 8 Dec 2003 13:40:57 -0800 (PST) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id BBCCF66C8E; Mon, 8 Dec 2003 13:40:56 -0800 (PST) Date: Mon, 8 Dec 2003 13:40:56 -0800 From: Kris Kennaway To: Martin Message-ID: <20031208214056.GA52416@xor.obsecurity.org> References: <1070918549.702.22.camel@klotz.local> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="TB36FDmn/VVEgNH/" Content-Disposition: inline In-Reply-To: <1070918549.702.22.camel@klotz.local> User-Agent: Mutt/1.4.1i cc: current@freebsd.org Subject: Re: Is "vm_fault" a kernel bug here? 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: Mon, 08 Dec 2003 21:41:06 -0000 --TB36FDmn/VVEgNH/ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Dec 08, 2003 at 10:22:30PM +0100, Martin wrote: >=20 > Here is the result of a read access on a file, which is obviously > unreadable: >=20 > acd0: FAILURE - READ BIG status=3D51 sensekey=3DMEDIUM > ERROR error=3D4 > vm_fault: pager read error, pid 606 (cp) > cp: filename: Bad address >=20 > I want to report it, because of the "vm_fault", it sounds "scary". > Is this a correct behaviour or a bug in the kernel? That's just what happens when an error is detected by the disk driver. This can be caused by hardware failure or incompatibility, or a driver bug. Kris --TB36FDmn/VVEgNH/ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQE/1O/oWry0BWjoQKURAl1MAJ0WgvolYgRDu4+Jh5KG2lJjdEnf5wCfYxTX k//iLM4Hi0BvwS9XtzKbPAU= =60mH -----END PGP SIGNATURE----- --TB36FDmn/VVEgNH/--