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Date:      Fri, 4 Jul 2014 10:13:24 -0400
From:      Ed Maste <emaste@freebsd.org>
To:        =?UTF-8?Q?Rafael_Esp=C3=ADndola?= <rafael.espindola@gmail.com>
Cc:        huanghwh@gmail.com, freebsd-current <freebsd-current@freebsd.org>
Subject:   Re: uefi boot on Apple Mac
Message-ID:  <CAPyFy2BmQtyuzwLz9z6uwi%2BC6LTCyWcbBKo_k-t3q%2BDwm_bi8w@mail.gmail.com>
In-Reply-To: <CAG3jReKuB-Z-PDf6jrLF8WeqTLce30E6j3yp0OmbMuB3sxPydQ@mail.gmail.com>
References:  <CAB8uncZ5CGiCQexVVKn9fDkX_wug5WBmiXSs0JgQ6O60dWePbg@mail.gmail.com> <537DFD85.1090903@icloud.com> <CAG3jReJpOFaM-eL6kjYQY=xR=1CpnzY3_FNtxq3xRsqzuY7PUg@mail.gmail.com> <CAB8uncYm4uhr6fGasmyDhBaAzAbqmiGU_iGqBsajvcEvF1QPbg@mail.gmail.com> <CAG3jReKuB-Z-PDf6jrLF8WeqTLce30E6j3yp0OmbMuB3sxPydQ@mail.gmail.com>

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On 24 May 2014 19:39, Rafael Esp=C3=ADndola <rafael.espindola@gmail.com> wr=
ote:
>
> 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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