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Date:      Sun, 22 Oct 2017 16:13:34 +0200
From:      Nikolaj Thygesen <mailinglist@diamondbox.dk>
To:        freebsd-questions@freebsd.org
Subject:   Re: stuck duel booting win-10 and FreeBSD 10.3
Message-ID:  <f8b87934-560c-c656-e30a-3f5f62356501@diamondbox.dk>
In-Reply-To: <alpine.BSF.2.00.1710201622280.1288@bucksport.safeport.com>
References:  <alpine.BSF.2.00.1710190053340.59952@bucksport.safeport.com> <alpine.BSF.2.00.1710201622280.1288@bucksport.safeport.com>

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On 10/20/2017 22:37, DTD wrote:
> On Thu, 19 Oct 2017, DTD wrote:
>
>> I am trying to install FreeBSD 10.3 on a Lenovo Ideapad 700. I was 
>> following some instructions to set up duel-boot with rEFInd Boot 
>> Manager and EasyUEFI. For whatever reason this did not work. I have 
>> FreeBSD installed, but the EFI code was not put where it needs to be. 
>> I have tried to use the shell to mount the disk to copy the code 
>> where it needs to go. I can not figure out a mount command.
>>
>> Using windows 10 diskpart, gpart and sysctl I put constructed the 
>> following map of the disk:
>>
>>  Partition ###  Type       Size     Offset
>>  -------------  ---------  -------  -------
>>  Partition 1    System      260 MB  1024 KB   ada0p1  C: Windows boot
>>  Partition 2    Reserved     16 MB   261 MB   ada0p2
>>  Partition 3    Primary     446 GB   277 MB   ada0p3   Windows NTFS
>>  Partition 8    Unknown    4096 MB   446 GB   ada0p8 freebsd-swap
>>  Partition 9    Unknown     512 KB   450 GB   ada0p9 freebsd-boot
>>  Partition 10   Unknown     438 GB   450 GB   ada0p10  FreeBSD 
>> freebsd-ufs
>>  Partition 4    Primary      25 GB   889 GB   ada0p4
>>  Partition 5    Recovery   1000 MB   914 GB   ada0p5
>>  Partition 6    Recovery     14 GB   915 GB   ada0p6
>>  Partition 7    OEM        1000 MB   930 GB   ada0p7
> [cut]
>
>> The installer can mount and write the disk just file. I have 
>> installed this 3 different ways to try and coax the install into 
>> writing boot code somewhere.
>>
>> So ... what's the magic command to mount the BSD partition? I am also 
>> not sure if the EFI boot code just gets added to ada0p1. ada0p9 is a 
>> boot partition added by the current install. Is FBSD 11 more likely 
>> to work?
>
> I (think I)have narrowed this down to a more specific question. Will 
> it work if I use gpart to wite the boot code? I can do this because I 
> can take the code from a working system. That only leaves which boot 
> code and where? An example of a working command would seem to be:
>
>    gpart bootcode  -p /tmp/gptboot -i [1|9] ada0
>
> where I copy gptboot from another 10.3 system. Who get it. I though 1 
> or 9 not 10.
>
>
> _____
> Douglas Denault
> http://www.safeport.com
> doug@safeport.com
> Voice: 301-217-9220
>   Fax: 301-217-9277
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>
I successfully did the same a year or two ago. I did most of my fiddling 
in Win10 as per some youtube video. This *might* be the one; I'm not sure:

     https://www.youtube.com/watch?v=oGPvt3pQfaw

Two of my main obstacles were disabling secure boot in BIOS and making 
sure to assign some UID to partitions for the boot manager.

     N :o)




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