From owner-freebsd-current@FreeBSD.ORG Wed Apr 8 19:33:20 2009 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 C1415106567E; Wed, 8 Apr 2009 19:33:20 +0000 (UTC) (envelope-from ed@hoeg.nl) Received: from palm.hoeg.nl (mx0.hoeg.nl [IPv6:2001:7b8:613:100::211]) by mx1.freebsd.org (Postfix) with ESMTP id 5F30B8FC1E; Wed, 8 Apr 2009 19:33:20 +0000 (UTC) (envelope-from ed@hoeg.nl) Received: by palm.hoeg.nl (Postfix, from userid 1000) id C450A1CD73; Wed, 8 Apr 2009 21:33:19 +0200 (CEST) Date: Wed, 8 Apr 2009 21:33:19 +0200 From: Ed Schouten To: Ivan Voras Message-ID: <20090408193319.GK32098@hoeg.nl> References: <20090408170231.K38445@rust.salford.ac.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="2WS97oupGEGbYNpW" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.19 (2009-01-05) Cc: FreeBSD Current Subject: Re: kbdmux vs ATA? (was: ATA related panic during ZFS scrub) 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, 08 Apr 2009 19:33:21 -0000 --2WS97oupGEGbYNpW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable * Ivan Voras wrote: > Hmmm, this shows a lock order problem between ATA and kbdmux's Giant. The current state of the input layer is a mess. I guess the policy was to not pick up any locks while in the debugger. Picking up Giant there is one of the most awful things that can happen, right? --=20 Ed Schouten WWW: http://80386.nl/ --2WS97oupGEGbYNpW Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAknc+/8ACgkQ52SDGA2eCwVACACeIjgihND3uW13fclOYtXQa1qQ gW4An0xO1JjXyWpuvL3oNkfZ30yNVs/U =OWHT -----END PGP SIGNATURE----- --2WS97oupGEGbYNpW--