diff options
| author | allanjude <allanjude@FreeBSD.org> | 2015-07-21 15:50:14 +0000 |
|---|---|---|
| committer | allanjude <allanjude@FreeBSD.org> | 2015-07-21 15:50:14 +0000 |
| commit | 10c80a84dab9d6dfc505ebcda9ca49b6caa78f90 (patch) | |
| tree | ba7df2a7ba7cc37b7196cbb6fcf34790abd3f223 /sbin | |
| parent | 90d01ac9ea8ba1f791ff7cfc4d142996a3b5caa9 (diff) | |
| download | FreeBSD-src-10c80a84dab9d6dfc505ebcda9ca49b6caa78f90.zip FreeBSD-src-10c80a84dab9d6dfc505ebcda9ca49b6caa78f90.tar.gz | |
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
Diffstat (limited to 'sbin')
| -rw-r--r-- | sbin/geom/class/part/gpart.8 | 8 |
1 files changed, 7 insertions, 1 deletions
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: |
