On 09.06.2012 10:57, John Frankish wrote:

>>>>>>>> -----Original Message-----
>>>>>>>> From: grub-devel-bounces+j-frankish=slb.com@gnu.org
>>>>>>>> [mailto:grub-devel-
>>>>>>>> bounces+j-frankish=slb.com@gnu.org] On Behalf Of Vladimir 'f-
>>>>>>>> coder/phcoder' Serbinenko
>>>>>>>> Sent: Friday, 08 June, 2012 19:29
>>>>>>>> To: grub-devel@gnu.org
>>>>>>>> Subject: Re: FW: grub-efi with latest mac mini
>>>>>>>>
>>>>
>>>> What does grub-probe -t fs /boot/grub say Do you run everything as
>> root?
>>>
>>> $ sudo grub-probe -t fs /boot/grub
>>> Error: failed to get canonical path of /boot/grub $ sudo grub-probe -t
>>> fs /efi/boot
>>> Error: failed to get canonical path of /efi/boot
>>>
>>
>> Do you have those directories?
> 
> Yes:
> /mnt/sda1/EFI/BOOT (fat)
> /mnt/sda2/boot/grub (hfs+)

/mnt/sda1/EFI/BOOT isn't /efi/boot.

> 
>>> $ sudo grub-probe -d /dev/sda1
>>> Fat
>>> $ sudo grub-probe -d /dev/sda2
>>> Hfsplus
>>>
>>>
>>> Insmod videotest
>>> Insmod efi_gop
>>> Videotest
>>> [drops down a line, but no further output] <ctrl c> Color 0: ff000000
>>> Color 1: ffa80000 ...
>>> Color 15: fffefefe
>>>
>>> Note that the video is output via hdmi -> dvi adapter that came with
>>> the mac mini
>>
>> What does "videoinfo" say? Does "videotext" work if you set
>> gfxmode="800x600" explicitly? (try other resolutions as well)
>>
> videoinfo
> List of supported video modes:
> Legend: mask/position = red/green/blue/reserved
> Adapter: `EFI GOP driver`:
> 0x000 1280 x 1024 x 32 direct color, mask 8/8/8/8 pos: 16/8/0/24
> 
> gfxmode=1280x1024x32
> 

But does it make videotest work?

> [boot ]
> Booting a command list
> [boots, but no usb keyboard/mouse]
> 

USB problem is on Linux side.

> I see "ls" reports (hd0,gpt1-4) and (hd1,gpt1-4), but there is only one hd (actually a sdd)?!

This was fixed today (hit it on itanium)
-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko