From 10c80a84dab9d6dfc505ebcda9ca49b6caa78f90 Mon Sep 17 00:00:00 2001
From: allanjude <allanjude@FreeBSD.org>
Date: Tue, 21 Jul 2015 15:50:14 +0000
Subject: MFC: r285594 	New partition flag for gpart, writes the 0xee
 partition in the pmbr in the second slot, rather than the first. 	Works
 around Lenovo legacy GPT boot issue

PR:		184910
Approved by:	re (gjb), marcel
Relnotes:	yes
Sponsored by:	ScaleEngine Inc.
Differential Revision:	https://reviews.freebsd.org/D3140
---
 sbin/geom/class/part/gpart.8 | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'sbin')

diff --git a/sbin/geom/class/part/gpart.8 b/sbin/geom/class/part/gpart.8
index 11ad201..3421ba0 100644
--- a/sbin/geom/class/part/gpart.8
+++ b/sbin/geom/class/part/gpart.8
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd May 5, 2015
+.Dd July 14, 2015
 .Dt GPART 8
 .Os
 .Sh NAME
@@ -933,6 +933,12 @@ start-up script.
 See
 .Xr gptboot 8
 for more details.
+.It Cm lenovofix
+Setting this attribute overwrites the Protective MBR with a new one where
+the 0xee partition is the second, rather than the first record.
+This resolves a BIOS compatibility issue with some Lenovo models including the
+X220, T420, and T520, allowing them to boot from GPT partitioned disks
+without using EFI.
 .El
 .Pp
 The scheme-specific attributes for MBR:
-- 
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