From owner-svn-src-head@FreeBSD.ORG Mon Aug 17 16:16:46 2009 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A9F231065691; Mon, 17 Aug 2009 16:16:46 +0000 (UTC) (envelope-from marcel@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 993058FC43; Mon, 17 Aug 2009 16:16:46 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id n7HGGk3F083379; Mon, 17 Aug 2009 16:16:46 GMT (envelope-from marcel@svn.freebsd.org) Received: (from marcel@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id n7HGGkwc083377; Mon, 17 Aug 2009 16:16:46 GMT (envelope-from marcel@svn.freebsd.org) Message-Id: <200908171616.n7HGGkwc083377@svn.freebsd.org> From: Marcel Moolenaar Date: Mon, 17 Aug 2009 16:16:46 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r196333 - head/sys/geom/part X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Aug 2009 16:16:46 -0000 Author: marcel Date: Mon Aug 17 16:16:46 2009 New Revision: 196333 URL: http://svn.freebsd.org/changeset/base/196333 Log: The start of the EFI GPT partition in the PMBR can always be represented by CHS addressing. Don't define these fields as 0xff, but rather define them correctly. This prevents boot problems on PCs where GPT is being used. PR: 115406 Submitted by: Kent Hauser Approved by: re (kib) Modified: head/sys/geom/part/g_part_gpt.c Modified: head/sys/geom/part/g_part_gpt.c ============================================================================== --- head/sys/geom/part/g_part_gpt.c Mon Aug 17 16:12:28 2009 (r196332) +++ head/sys/geom/part/g_part_gpt.c Mon Aug 17 16:16:46 2009 (r196333) @@ -409,9 +409,9 @@ g_part_gpt_create(struct g_part_table *b last = (pp->mediasize / pp->sectorsize) - 1; le16enc(table->mbr + DOSMAGICOFFSET, DOSMAGIC); - table->mbr[DOSPARTOFF + 1] = 0xff; /* shd */ - table->mbr[DOSPARTOFF + 2] = 0xff; /* ssect */ - table->mbr[DOSPARTOFF + 3] = 0xff; /* scyl */ + table->mbr[DOSPARTOFF + 1] = 0x01; /* shd */ + table->mbr[DOSPARTOFF + 2] = 0x01; /* ssect */ + table->mbr[DOSPARTOFF + 3] = 0x00; /* scyl */ table->mbr[DOSPARTOFF + 4] = 0xee; /* typ */ table->mbr[DOSPARTOFF + 5] = 0xff; /* ehd */ table->mbr[DOSPARTOFF + 6] = 0xff; /* esect */