Re: FW: grub-efi with latest mac mini

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 20.06.2012 07:48, John Frankish wrote:

>>> -----Original Message-----
>>> From: address@hidden
>>> [mailto:grub-devel-
>>> address@hidden On Behalf Of Vladimir 'f-
>>> coder/phcoder' Serbinenko
>>> Sent: Monday, 11 June, 2012 01:39
>>> To: address@hidden
>>> Subject: Re: FW: grub-efi with latest mac mini
>>>
>>> Can you give as exact reference about your mac?
>>>
>>> --
>>> Regards
>>> Vladimir 'φ-coder/phcoder' Serbinenko
>>
>> From dmesg:
>>
>> DMI 2.4 present.
>> DMI: Apple Inc. Macmini5,3/Mac-7BA5B2794B2CDB12, BIOS
>> MM51.88Z.0075.B00.1106271442 06/27/2011 Mac mini server - quad-core i7 -
>> 8gb ram - single 250gb ssd
> 
> For some reason, I don't seem to be able to leave this alone...
> 
> Some more testing:
> 
> 1. I can boot from a usb stick on a dell latitude e6220 using uefi without 
> problems. If I take the same usb stick
> and try to boot on the mac mini using efi from power-on <alt gr>, it boots to 
> X, but the usb keyboard/mouse do not work. 
> 
> 2. Using the same version of grub2.00~beta6, installed in the same way, on 
> the first (gpt) partition of the mac mini hd (ssd),
> it appears to start booting, but the screen remains blank.
> 
> 3. With both usb stick/hd (ssd) boot on the mac mini, the grub-efi command 
> line works and the following switches video mode:
> 
> insmod font
> loadfont unicode
> insmod efi_gop
> insmod gfxterm
> set gfxterm=auto
> terminal_output gfxterm
> 
> With the usb stick boot, nothing is echoed to the screen after boot from the 
> grub prompt until the kernel kmode driver loads,
> with the hd (ssd) boot nothing is echoed to the screen at all.
> 
> What I have difficulty understanding is that the usb stick boot fails in one 
> way and the hd (ssd) boot fails in a different way on
> the same machine. Note that grub.cgf was copied from the usb stick to the hd 
> (ssd) and the only change made was the
> location of the kernel/initrd - (hd2,gpt2) -> (hd1,gpt4)
> 
> Any ideas?
> 

Did you modify the UUIDs in grub.cfg?

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

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