Re: uefi boot on Apple Mac

From: Aleksandr Rybalko <ray_at_ddteam.net>
Date: Sun, 6 Jul 2014 16:40:08 +0300
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>
Received on Sun Jul 06 2014 - 11:41:49 UTC

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