From owner-freebsd-stable@freebsd.org Sun Feb 14 10:21:51 2016 Return-Path: Delivered-To: freebsd-stable@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 1EDA7AA8FC8 for ; Sun, 14 Feb 2016 10:21:51 +0000 (UTC) (envelope-from lists@yamagi.org) Received: from mail1.yamagi.org (yugo.yamagi.org [212.48.122.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id DC8691423 for ; Sun, 14 Feb 2016 10:21:50 +0000 (UTC) (envelope-from lists@yamagi.org) Received: from pd952128d.dip0.t-ipconnect.de ([217.82.18.141] helo=kosei.home.yamagi.org) by mail1.yamagi.org with esmtpsa (TLSv1:ECDHE-RSA-AES256-SHA:256) (Exim 4.86 (FreeBSD)) (envelope-from ) id 1aUtLy-0005y1-Cs; Sun, 14 Feb 2016 10:52:31 +0100 Date: Sun, 14 Feb 2016 10:52:24 +0100 From: Yamagi Burmeister To: lausts@acm.org Cc: freebsd-stable@freebsd.org Subject: Re: UEFI & ZFS Message-Id: <20160214105224.6b69d854724f829de0af2d19@yamagi.org> In-Reply-To: <56BE423A.12522.27C542@lausts.acm.org> References: <56BE423A.12522.27C542@lausts.acm.org> X-Mailer: Sylpheed 3.4.3 (GTK+ 2.24.29; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 14 Feb 2016 10:21:51 -0000 Hello, this is a known problem with Intel Skylake CPUs. Legacy boot os dead slow, UEFI boot is blazing fast. Have a look at this thread, it contains some more informations: https://lists.freebsd.org/pipermail/freebsd-current/2015-December/059037.html As far as I know now one has found / analyzed the root cause of this until now. Regard, On Fri, 12 Feb 2016 15:36:10 -0500 "Thomas Laus" wrote: > > I have a new Asus H170-Plus-D3 motherboard that will be used for a DOM0 Xen > > Server. It uses an Intel i5-6300 processor and a Samsung 840 EVO SSD. I > > would like to use ZFS on this new installation. The Xen Kernel does not > > have UEFI support at this time, so I installed FreeBSD CURRENT r295345 in > > 'legacy mode'. It takes about 7 minutes to go from the first '|' character > > to getting the 'beastie' menu. I changed the BIOS to UEFI and did another > > installation. The boot process goes in an instant. > > Several others have the same problem. See here on the freebsd forums: > > http://tinyurl.com/z9oldkc > > That is my exact problem. It takes 4 minutes to get a complete 'beastie' > menu and 7 minutes 34 seconds to login. > > Tom > > -- > Public Keys: > PGP KeyID = 0x5F22FDC1 > GnuPG KeyID = 0x620836CF > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" -- Homepage: www.yamagi.org XMPP: yamagi@yamagi.org GnuPG/GPG: 0xEFBCCBCB