UEFI display frozen on Retina MacBook Pro

[Huang Wen Hui]

Hi,


2014-09-06 1:20 GMT+08:00 John Nielsen <lists at jnielsen.net>:

> I have a "MacBook Pro Retina, Mid 2012" (MacBookPro10,1) on which I'd like
> to be able to boot FreeBSD from an external USB drive. For testing I've
> been using the mini-memstick images from the -CURRENT snapshots, most
> recently the one from 20140903.
>

This IMAC model can UEFI boot when I tried before. I install rEFInd(
http://www.rodsbooks.com/refind/) as boot manager, You can see FreeBSD boot
information  under rEFInd.

Cheers,

Huang Wen Hui

> I am able to select "EFI Boot" on the USB device from the Mac's boot menu,
> and it does _something_, but the screen never changes--the image of the
> boot menu is displayed indefinitely. I think it is actually booting since
> there is drive activity and the caps lock key indicator starts working a
> few seconds in, but the screen just stays the same. Thinking the resolution
> of the Retina display may have been an issue, I tried booting with it
> disabled (lid closed) and an external monitor and keyboard. The result was
> the same--Mac boot menu frozen on the external display.
>
> Is there anything I should try to troubleshoot or debug this issue?
> Anything else I should include in a PR? I can test patches if needed
> (probably after building an image including the patch from a VM).
>
> Thanks,
>
> JN
>
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