From owner-freebsd-geom@FreeBSD.ORG Wed May 5 18:20:34 2004 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 42CF816A4CE for ; Wed, 5 May 2004 18:20:34 -0700 (PDT) Received: from spiff.melthusia.org (spiff.melthusia.org [207.67.244.17]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0D72F43D46 for ; Wed, 5 May 2004 18:20:34 -0700 (PDT) (envelope-from gtetlow@spiff.melthusia.org) Received: from spiff.melthusia.org (gtetlow@localhost [127.0.0.1]) by spiff.melthusia.org (8.12.10/8.12.10) with ESMTP id i461GDGc029670; Wed, 5 May 2004 18:16:13 -0700 (PDT) (envelope-from gtetlow@spiff.melthusia.org) Received: (from gtetlow@localhost) by spiff.melthusia.org (8.12.10/8.12.10/Submit) id i461GAKn029669; Wed, 5 May 2004 18:16:10 -0700 (PDT) (envelope-from gtetlow) Date: Wed, 5 May 2004 18:16:10 -0700 From: Gordon Tetlow To: Soeren Straarup Message-ID: <20040506011610.GF10016@spiff.melthusia.org> References: <20040504115919.L35168-100000@x12.dk> <20040505161516.GC10016@spiff.melthusia.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="3XA6nns4nE4KvaS/" Content-Disposition: inline In-Reply-To: <20040505161516.GC10016@spiff.melthusia.org> X-Habeas-SWE-1: winter into spring X-Habeas-SWE-2: brightly anticipated X-Habeas-SWE-3: like Habeas SWE (tm) X-Habeas-SWE-4: Copyright 2002 Habeas (tm) X-Habeas-SWE-5: Sender Warranted Email (SWE) (tm). The sender of this X-Habeas-SWE-6: email in exchange for a license for this Habeas X-Habeas-SWE-7: warrant mark warrants that this is a Habeas Compliant X-Habeas-SWE-8: Message (HCM) and not spam. Please report use of this X-Habeas-SWE-9: mark in spam to . User-Agent: Mutt/1.5.5.1i cc: freebsd-geom@freebsd.org Subject: Re: USB fash devices and dd X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 May 2004 01:20:34 -0000 --3XA6nns4nE4KvaS/ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, May 05, 2004 at 09:15:17AM -0700, Gordon Tetlow wrote: > On Tue, May 04, 2004 at 12:04:26PM +0200, Soeren Straarup wrote: > >=20 > > Hi > >=20 > > I was reading the vol_msdosfs thread and this is what i've seen IRL > >=20 > > When dd'ing from a usb dongle to a file and then remove the dongle duri= ng > > this operation, then a kernel panic might ocour. I can't tell where the > > chain breaks. All this has been taken place on a 5.1-R box. >=20 > Only "might occur"? I would have thought it would panic 100%! The correct > solution to this problem is "Don't do that" Despite my flippant response, this is a FAQ. I have heard some rumblings that this may be fixed One Day (tm), but I wouldn't hold my breath. The problem is deep in the kernel and is non-trivial to fix (from what I've been told anyway). -gordon --3XA6nns4nE4KvaS/ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQFAmZHaRu2t9DV9ZfsRArXhAJ41G6ol1tq2hMeMKrPjLk9kxE42igCgnnbH 6QAW6xLhNXZ/iLjq99mrI+8= =xlZG -----END PGP SIGNATURE----- --3XA6nns4nE4KvaS/--