uefi boot on Apple Mac
Nathan Whitehorn
nwhitehorn at freebsd.org
Sat Jul 12 17:22:32 UTC 2014
I'd point out that, as of last week, the standard -CURRENT ISOs (and
generate-release.sh script) make EFI-bootable media by default. All the
snapshots should have this done already, for instance.
-Nathan
On 07/12/14 03:09, Anders Bolt-Evensen wrote:
> I also got a message like that when I booted from a USB stick on a
> MacBookPro8,3 (17 inch, late 2011).
>
> I fixed it by creating a custom ISO image and burned that onto a DVD
> using an external DVD drive.
> The UEFI installer boots fine from this external DVD drive.
>
> Here is how I did it:
>
> Genereste an ISO with the FreeBSD-CURRENT kernel, mount the ISO and
> copy all files from the root directory in the ISO and unmount
> > cd /usr/src/release
> > sh ./generate-release.sh # You may have to run “make buildworld”
> and be connected to the internet to install required ports.
> > mount -t cd9660 /scratch/R/release/FreeBSD-something-disc1.iso /mnt
> > mkdir freebsd_generic_installer
> #Files copied to the directory in the next command will be copied
> to a new ISO in step 3
> > cp -R /mnt/ freebsd_generic_installer/
> > umount /mnt
> 2. Create a FAT filesystem image and place the loader in it in the
> default path that UEFI will look for (the following steps are copied
> from https://wiki.freebsd.org/UEFI#CD.2FDVD_Boot_under_UEFI):
> > dd if=/dev/zero of=efiboot.img bs=4k count=100
> > mdconfig -a -t vnode -f efiboot.img
> > newfs_msdos -F 12 -m 0xf8 /dev/md0
> > mount -t msdosfs /dev/md0 /mnt
> > mkdir -p /mnt/efi/boot
> > cp loader.efi /mnt/efi/boot/bootx64.efi
> > umount /mnt
> > mdconfig -d -u 0
>
> 3. Create the custom ISO image. Please make sure that the entry in
> freebsd_generic_installer/etc/fstab matches the label you choose in
> the command below.
> > makefs -t cd9660 -o bootimage='i386;efiboot.img' -o no-emul-boot
> -o rockridge -o label=“FREEBSD_UEFI_INSTALL" -o publisher="test"
> uefi-test.iso freebsd_generic_installer/
>
> To get the example in the command above to work, please make sure that
> the entry in freebsd_generic_installer/etc/fstab reads
> "/dev/iso9660/FREEBSD_UEFI_INSTALL / cd9660 ro 0 0"
>
> 4. Burn the image to DVD, reboot your system and choose “EFI Boot”.
> Note that unless you are using a EFI console like rEFIt or rEFInd, you
> may have to kind of wait a couple of minutes while the kernel is
> loading before anything appears on the screen.
>
>
> On 04/07/14 16:34, Huang Wen Hui wrote:
>> Hi,
>> On my MacbookPro11,3, I got this error message:
>>
>> http://sw.gddsn.org.cn/freebsd/uefi.jpg
>>
>> cheers,
>>
>> Huang WenHui
>>
>> 2014-07-04 22:13 GMT+08:00 Ed Maste <emaste at freebsd.org>:
>>
>>> On 24 May 2014 19:39, Rafael Espíndola <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
>>>
>> _______________________________________________
>> freebsd-current at freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-current
>> To unsubscribe, send any mail to
>> "freebsd-current-unsubscribe at freebsd.org"
>
> _______________________________________________
> freebsd-current at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to
> "freebsd-current-unsubscribe at freebsd.org"
>
More information about the freebsd-current
mailing list