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| author | Allan Jude <allanjude@FreeBSD.org> | 2015-07-15 02:23:55 +0000 |
|---|---|---|
| committer | Allan Jude <allanjude@FreeBSD.org> | 2015-07-15 02:23:55 +0000 |
| commit | ce808c7ad89c663b021a86e84fc8e4f82a5a0d0f (patch) | |
| tree | dcc97e351a3f3f145b33f3281395bb4427230f60 /sbin | |
| parent | 2ec930efea151ba39e298a3a15b45e48c816a940 (diff) | |
| download | src-ce808c7ad89c663b021a86e84fc8e4f82a5a0d0f.tar.gz src-ce808c7ad89c663b021a86e84fc8e4f82a5a0d0f.zip | |
Add a new option to gpart(8) to fix Lenovo BIOS boot issue
PR: 184910
Reviewed by: ae, wblock
Approved by: marcel
MFC after: 3 days
Relnotes: yes
Sponsored by: ScaleEngine Inc.
Differential Revision: https://reviews.freebsd.org/D3065
Notes
Notes:
svn path=/head/; revision=285594
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 8e8f858432b8..354d844349b7 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: |