From owner-freebsd-current@freebsd.org Wed Sep 16 13:42:56 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 01D7D9CE654 for ; Wed, 16 Sep 2015 13:42:56 +0000 (UTC) (envelope-from kostikbel@gmail.com) 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 D8D0710C5 for ; Wed, 16 Sep 2015 13:42:55 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: by mailman.ysv.freebsd.org (Postfix) id D84039CE653; Wed, 16 Sep 2015 13:42:55 +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 D7D009CE652 for ; Wed, 16 Sep 2015 13:42:55 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4DC2D10C4; Wed, 16 Sep 2015 13:42:55 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id t8GDgnlH012795 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Wed, 16 Sep 2015 16:42:49 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua t8GDgnlH012795 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id t8GDgnL9012794; Wed, 16 Sep 2015 16:42:49 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Wed, 16 Sep 2015 16:42:49 +0300 From: Konstantin Belousov To: Gleb Smirnoff Cc: marcel@FreeBSD.org, Steve Kiernan , brooks@FreeBSD.org, current@FreeBSD.org Subject: Re: r286727 breaks geom_md.ko loading Message-ID: <20150916134249.GG67105@kib.kiev.ua> References: <20150916000019.GH1023@FreeBSD.org> <20150916051005.GF67105@kib.kiev.ua> <20150916131515.GL1023@glebius.int.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150916131515.GL1023@glebius.int.ru> User-Agent: Mutt/1.5.24 (2015-08-30) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home 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 13:42:56 -0000 On Wed, Sep 16, 2015 at 04:15:15PM +0300, Gleb Smirnoff wrote: > 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? Yes, it does, both on amd64 and i386. You did not said which architecture exposes your problem. Post your kernel config.