Lenovo BIOS boot fix
Tomoaki AOKI
junchoon at dec.sakura.ne.jp
Mon Jul 13 14:15:09 UTC 2015
Confirmed. Boots OK as expected for my ThinkPad T420 (has buggy BIOS).
On Sun, 12 Jul 2015 12:54:09 -0400
Allan Jude <allanjude at freebsd.org> wrote:
> On 2015-07-12 09:24, Tomoaki AOKI wrote:
> >
> > As far as I could confirm currently,
> >
> > *My ThinkPad didn't boot from decompressed .xz image written in
> > memstick.
> >
> > *The partition tables (both PMBR and GPT) looks fine.
> > (As expected. Verified with `gpart show` and `fdisk -p -v da0`)
> >
> > *Overwriting bootcode (gptzfsboot) in GPT partition 1 didn't help.
> >
> >
> > Not yet confirmed, but possible cause would be
> >
> > *Bootcode in PMBR is missing or corrupt.
> > (I noticed I hadn't tested overwriting it.)
> >
> > */boot in ZFS partition or anything related is not proper.
> >
> >
> > Sorry, I cannot reboot my ThinkPad right now.
> > Allan, can you confirm above?
> >
>
> You are correct, the PMBR bootcode was missing, my mistake.
>
> I have uploaded new images (and set the old ones to redirect to the new
> ones)
>
> compressed (193 MiB):
> http://www.allanjude.com/bsd/lenovofix_20150712-r285132.img.xz
>
> uncompressed (1 GiB):
> http://www.allanjude.com/bsd/lenovofix_20150712-r285132.img
>
>
>
> --
> Allan Jude
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--
青木 知明 [Tomoaki AOKI]
junchoon at dec.sakura.ne.jp
MXE02273 at nifty.com
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