From owner-freebsd-bugs@FreeBSD.ORG Wed Sep 26 16:00:13 2012 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id A15801065670 for ; Wed, 26 Sep 2012 16:00:13 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 809E68FC0C for ; Wed, 26 Sep 2012 16:00:13 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id q8QG0DcU038956 for ; Wed, 26 Sep 2012 16:00:13 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id q8QG0DeE038948; Wed, 26 Sep 2012 16:00:13 GMT (envelope-from gnats) Date: Wed, 26 Sep 2012 16:00:13 GMT Message-Id: <201209261600.q8QG0DeE038948@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: Fabian Keil Cc: Subject: Re: kern/171865: [geom] g_wither_washer() keeping a core busy X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Fabian Keil List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Sep 2012 16:00:13 -0000 The following reply was made to PR kern/171865; it has been noted by GNATS. From: Fabian Keil To: Jaakko Heinonen Cc: bug-followup@FreeBSD.org, luigi@FreeBSD.org Subject: Re: kern/171865: [geom] g_wither_washer() keeping a core busy Date: Wed, 26 Sep 2012 17:41:16 +0200 --Sig_/9Up1jT9Q9Fv4+b.oSjPAz2= Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Jaakko Heinonen wrote: > On 2012-09-22, Fabian Keil wrote: > > I recently found a way to reproduce the problem without using > > ZFS or writing to the device. > > >How-To-Repeat: > > geli onetime /dev/md0 > > geom sched insert -a rr /dev/md0.eli > > geli detach /dev/md0.eli.sched. >=20 > It seems that if you "insert" a sched geom and do "geli detach" on it, > the geli geom can't be destroyed. >=20 > After your commands "md0.eli" still exists: =20 > I didn't find a way to destroy it. I suspect a geom_sched bug. luigi@ > cc'd. While I can't rule out a geom_sched bug, I usually run into the problem while only using glabel+geli+ZFS on an USB device that disappears as described in the initial report at: http://lists.freebsd.org/pipermail/freebsd-fs/2011-June/011855.html It's just less convenient to reproduce as it requires more steps and the disappearance can also lead to panics like these: http://www.freebsd.org/cgi/query-pr.cgi?pr=3Dkern/162010 http://www.freebsd.org/cgi/query-pr.cgi?pr=3Dkern/162036 Fabian --Sig_/9Up1jT9Q9Fv4+b.oSjPAz2= Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlBjIiAACgkQSMVSH78upWM/pQCfd7TY7/GOblu08UXFUzF2XDNP Y9gAnjXvGj4MkFFGmamXTlsP6mkwiGiJ =XXQN -----END PGP SIGNATURE----- --Sig_/9Up1jT9Q9Fv4+b.oSjPAz2=--