From owner-freebsd-current@freebsd.org Wed Sep 16 13:15:30 2015 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DDC909CD76F for ; Wed, 16 Sep 2015 13:15:30 +0000 (UTC) (envelope-from glebius@FreeBSD.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id C39281F39 for ; Wed, 16 Sep 2015 13:15:30 +0000 (UTC) (envelope-from glebius@FreeBSD.org) Received: by mailman.ysv.freebsd.org (Postfix) id C30359CD76D; Wed, 16 Sep 2015 13:15:30 +0000 (UTC) Delivered-To: current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C29B49CD76B for ; Wed, 16 Sep 2015 13:15:30 +0000 (UTC) (envelope-from glebius@FreeBSD.org) Received: from cell.glebius.int.ru (glebius.int.ru [81.19.69.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "cell.glebius.int.ru", Issuer "cell.glebius.int.ru" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id E0EC61F38; Wed, 16 Sep 2015 13:15:28 +0000 (UTC) (envelope-from glebius@FreeBSD.org) Received: from cell.glebius.int.ru (localhost [127.0.0.1]) by cell.glebius.int.ru (8.15.2/8.15.2) with ESMTPS id t8GDFFCl011618 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 16 Sep 2015 16:15:15 +0300 (MSK) (envelope-from glebius@FreeBSD.org) Received: (from glebius@localhost) by cell.glebius.int.ru (8.15.2/8.15.2/Submit) id t8GDFFEd011617; Wed, 16 Sep 2015 16:15:15 +0300 (MSK) (envelope-from glebius@FreeBSD.org) X-Authentication-Warning: cell.glebius.int.ru: glebius set sender to glebius@FreeBSD.org using -f Date: Wed, 16 Sep 2015 16:15:15 +0300 From: Gleb Smirnoff To: Konstantin Belousov Cc: marcel@FreeBSD.org, Steve Kiernan , brooks@FreeBSD.org, current@FreeBSD.org Subject: Re: r286727 breaks geom_md.ko loading Message-ID: <20150916131515.GL1023@glebius.int.ru> References: <20150916000019.GH1023@FreeBSD.org> <20150916051005.GF67105@kib.kiev.ua> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150916051005.GF67105@kib.kiev.ua> User-Agent: Mutt/1.5.23 (2014-03-12) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 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, 16 Sep 2015 13:15:31 -0000 On Wed, Sep 16, 2015 at 08:10:05AM +0300, Konstantin Belousov wrote: K> > There is regression after r286727. Our dynamic kernel linker doesn't K> > support weak symbols, so the geom_md.ko can no longer be loaded dynamically K> > neither from loader nor at runtime. Having it statically in kernel is K> > the only working option. K> K> Perhaps, something could be fixed in the dynamic linker ? K> K> I checked both i386 and amd64, and on both arches I can load geom_md.ko. K> On the other hand, I do not use preloaded mfs images. Can you explain K> how to reproduce the issue, and what linker is affected ? Note that we K> have two kernel dynamic linkers, one is used on amd64 and mips, second one K> is for all other architectures. To reproduce you need just a vanilla head, a kernel that doesn't have 'device md' in it, and run kldload geom_md.ko. Does that work for you? -- Totus tuus, Glebius.