Re: UEFI Boot with Grub-Experimental

["Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>]

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On 07/08/2010 01:49 AM, stephen@hyarros.com wrote:
> I've gotten UEFI booting working on some platforms, while other
> platforms are not working.  Specifically, booting on Intel's own
> motherobards using Intel's own BIOS software (Specifically, the SOX5810J
> motherboard) does not seem to work.  I get the blank screen before the
> kernel is about to come alive and after grub hands off execution to the
> kernel.  It boots fine with the noefi flag, but without noefi it doesn't
> work.
>
>   
Check that they bit size of Linux and EFI match. If they don't Linux crashes
> I've tried all sorts of kernel flags to try to get some sort of output:
> earlyprintk, debug=all, loglevel=7, vga=771, etc.  However, nothing
> works -- the system is hung (numlock doesn't cause the LED to turn
> on/off).
>
> Although I suspect this to be a kernel bug, could it be that grub is
> setting up the video improperly or something?  The AMIBIOS boards have
> some special video mode that uses the gnu unicode font.  The intel
> boards only use the default system font.  
>
> Any ideas on how to get some sort of output or kernel panic would be
> appreciated.
>
> Thanks,
> Stephen
>
> _______________________________________________
> Grub-devel mailing list
> Grub-devel@gnu.org
> http://lists.gnu.org/mailman/listinfo/grub-devel
>
>   


-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko



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