From owner-freebsd-stable@FreeBSD.ORG Fri Aug 17 08:18:36 2007 Return-Path: Delivered-To: freebsd-stable@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9B9C216A418 for ; Fri, 17 Aug 2007 08:18:36 +0000 (UTC) (envelope-from svein.h@lvor.halvorsen.cc) Received: from fri.itea.ntnu.no (fri.itea.ntnu.no [129.241.7.60]) by mx1.freebsd.org (Postfix) with ESMTP id 5AF9713C458 for ; Fri, 17 Aug 2007 08:18:36 +0000 (UTC) (envelope-from svein.h@lvor.halvorsen.cc) Received: from localhost (localhost [127.0.0.1]) by fri.itea.ntnu.no (Postfix) with ESMTP id 815718976 for ; Fri, 17 Aug 2007 09:50:45 +0200 (CEST) Received: from maren.thelosingend.net (maren.math.ntnu.no [129.241.211.48]) by fri.itea.ntnu.no (Postfix) with SMTP for ; Fri, 17 Aug 2007 09:50:20 +0200 (CEST) Received: (qmail 93120 invoked by uid 88); 17 Aug 2007 09:50:20 +0200 Received: from maren.math.ntnu.no (HELO weld.ej2.thelosingend.net) (129.241.211.48) by maren.thelosingend.net (qpsmtpd/0.31.1) with ESMTP; Fri, 17 Aug 2007 09:49:58 +0200 Message-ID: <46C552C7.70101@lvor.halvorsen.cc> Date: Fri, 17 Aug 2007 09:48:23 +0200 From: Svein Halvor Halvorsen User-Agent: Thunderbird 2.0.0.0 (X11/20070523) MIME-Version: 1.0 To: freebsd-stable@FreeBSD.ORG References: <200708161437.l7GEb2KV006533@lurza.secnetix.de> In-Reply-To: <200708161437.l7GEb2KV006533@lurza.secnetix.de> X-Enigmail-Version: 0.95.0 OpenPGP: id=9198BB40; url=mailto:pgpkey@svein.halvorsen.cc Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked X-Content-Scanned: with sophos and spamassassin at mailgw.ntnu.no. Cc: Subject: Re: panic after removing usb flash disk X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Aug 2007 08:18:36 -0000 Oliver Fromme wrote: > Roman Bogorodskiy wrote: > > Artem Kuchin wrote: > > > [FreeBSD crashes when a mounted device disappears] > > > > It's not a bug, it's a feature. > > I certainly wouldn't call it a feature. As others have > noted, it is a known shortcoming in FreeBSD, and fixing > it is non-trivial. Could someone point me in some general direction, as to where I could learn more about the path a read/write request will take through all the different kernel layers? I doubt I will be able to fix anything, but it would be interesting to learn. Svein Halvor