Re: uefi boot on Apple Mac

The linux UEFI peeps have the same problem(s):

http://mjg59.dreamwidth.org/10014.html

Look for "stride".


-a


On 6 July 2014 06:40, Aleksandr Rybalko <ray_at_ddteam.net> wrote:
> On Fri, 4 Jul 2014 22:34:30 +0800
> Huang Wen Hui <huanghwh_at_gmail.com> wrote:
>
>> Hi,
>> On my MacbookPro11,3, I got this error message:
>>
>> http://sw.gddsn.org.cn/freebsd/uefi.jpg
>
> Hmmm, really weird.
> Looks like wrong info about UEFI framebuffer.
> Picture said:
> 1. 2880 x 1800
> 2. 4 bytes per pixel (masks cover whole 32bit)
> 3. but same time stride eq to 4096 (but have to be (width * bytes_per_pixel) 4 * 2880)
>
>>
>> cheers,
>>
>> Huang WenHui
>>
>> 2014-07-04 22:13 GMT+08:00 Ed Maste <emaste_at_freebsd.org>:
>>
>> > On 24 May 2014 19:39, Rafael Esp'indola <rafael.espindola_at_gmail.com> wrote:
>> > >
>> > > Yes, I got that in the mac laptops I tried, it worked on a Mac Pro. It
>> > > might be the frame buffer corruption that Ed Maste was mentioning.
>> >
>> > I purchased a new MacBook Air yesterday (model identifier
>> > MacBookAir6,2).  UEFI boot and vt(4) worked correctly.  (My image
>> > included Rafael's patch; I haven't tried a boot without.)
>> >
>> > I also committed a change to display the framebuffer parameters
>> > (address, dimensions, etc.) on boot, in order to help identify the
>> > source of this issue.  If you have a moment can you build a new USB
>> > stick image and give it a try?
>> >
>> > -Ed
>> >
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>
> Thanks.
> WBW
> --
> Aleksandr Rybalko <ray_at_ddteam.net>
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