Lenovo BIOS boot fix

Allan Jude allanjude at freebsd.org
Sun Jul 12 16:54:13 UTC 2015


On 2015-07-12 09:24, Tomoaki AOKI wrote:
> Hi.
>
> 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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