Date: Mon, 7 Jul 2014 08:18:37 +0800 From: Huang Wen Hui <huanghwh@gmail.com> To: Adrian Chadd <adrian@freebsd.org> Cc: Aleksandr Rybalko <ray@ddteam.net>, freebsd-current <freebsd-current@freebsd.org>, Ed Maste <emaste@freebsd.org>, Rafael Esp'indola <rafael.espindola@gmail.com> Subject: Re: uefi boot on Apple Mac Message-ID: <CAB8unca=G-RjDG%2B9eoXsncVyLMJbpC9QsgNPwFz-Nxe8NMb0WA@mail.gmail.com> In-Reply-To: <CAJ-Vmo=-9-M-%2Bn_g=UXZUKqDeO8Pp3pm3oPW7qhjHM889D15cw@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> <CAPyFy2BmQtyuzwLz9z6uwi%2BC6LTCyWcbBKo_k-t3q%2BDwm_bi8w@mail.gmail.com> <CAB8uncai=hiVYibrAvDCEqWN-UdLSpgUxQLC=3Wtvo5vHmfbvw@mail.gmail.com> <20140706164008.d26a0bf0baa23981ad7baedf@ddteam.net> <CAJ-Vmo=-9-M-%2Bn_g=UXZUKqDeO8Pp3pm3oPW7qhjHM889D15cw@mail.gmail.com>
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I got the same result from Fedora-20: [liveuser@localhost ~]$ dmesg|grep efifb [ 2.665017] efifb: probing for efifb [ 2.667915] efifb: framebuffer at 0x80020000, mapped to 0xffffc9000b980000, using 28800k, total 28800k [ 2.667916] efifb: mode is 2880x1800x32, linelength=16384, pages=1 [ 2.667916] efifb: scrolling: redraw [ 2.667917] efifb: Truecolor: size=8:8:8:8, shift=24:16:8:0 stride(4096) *4 = linelength 28800k=stride(4096) *4*1800=0x1c20000 2014-07-07 2:59 GMT+08:00 Adrian Chadd <adrian@freebsd.org>: > 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@ddteam.net> wrote: > > On Fri, 4 Jul 2014 22:34:30 +0800 > > Huang Wen Hui <huanghwh@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@freebsd.org>: > >> > >> > On 24 May 2014 19:39, Rafael Esp'indola <rafael.espindola@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 > >> > > >> _______________________________________________ > >> freebsd-current@freebsd.org mailing list > >> http://lists.freebsd.org/mailman/listinfo/freebsd-current > >> To unsubscribe, send any mail to " > freebsd-current-unsubscribe@freebsd.org" > > > > Thanks. > > WBW > > -- > > Aleksandr Rybalko <ray@ddteam.net> > > _______________________________________________ > > freebsd-current@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to " > freebsd-current-unsubscribe@freebsd.org" >
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