Re: UEFI Boot fails if legacy mode is disabled completely in settings on ASUS Z87 board

From: Michelle Sullivan <michelle_at_sorbs.net>
Date: Thu, 20 Nov 2014 18:59:34 +0100
Dominik Zajac wrote:
> Hi,
>
> on an ASUS Z87 Pro board, the UEFI boot media only work if the CSM mode
> in the Settings of the UEFI are set to "both". This means it is using
> UEFI boot and CSM mode for legacy booting.
>
> If I disable the legacy CSM and configure "UEFI only", the UEFI loader
> still loads but when it comes to load the kernel it just stops and the
> system is frozen at that point. Same with 10.1 and 11-current USB
> install media.
>
> The system now has FreeBSD 10.1 on one disc installed with UEFI mode and
> boots with it as long as the CSM compatibility mode is enabled.
>
> Has someone a similar problem or behaviour?
>   

Same Mobo, same problem here.
> This leads me to the next question. How can I debug or get more
> information what fails at this stage of the boot process? I would like
> to provide more detailed information and help to debug to hunt this bug
> down.
>   
Sorry - I can't help here, I don't have time to debug as too busy fixing
broken systems from Sept 1 changes.

-- 
Michelle Sullivan
http://www.mhix.org/
Received on Thu Nov 20 2014 - 17:59:43 UTC

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