console in UEFI boot

[Samuel Paik]

Some Windows 8 PCs (particularly Atom based tablets with 1-2 GB
non-expandable RAM) have 64-bit capable CPUs but come with 32-bit UEFI boot
roms.

On Thu, Jul 7, 2016 at 5:43 AM, karu.pruun <karu.pruun at gmail.com> wrote:

> Hi Bernie
>
> I don't know. Do you mean your machine is 64bit but has a 32bit EFI? This
> is a good overview of UEFI
>
>
> https://www.happyassassin.net/2014/01/25/uefi-boot-how-does-that-actually-work-then/
>
> I think the terminology is that the type of your firmware is either BIOS
> or UEFI, and the latter can emulate BIOS boot if needed.
>
> I should also retract my original complaint: booting now works fine on
> macbookpro even without interfering, ie setting 'mode 0' at loader prompt.
> No idea why the error is gone. All I did is correct the vfs.root.mountfrom
> variable so I don't need to enter it by hand in the middle of the boot
> sequence; and delete /etc/issue left over from the boot CD. In any case,
> the problem now is that i915 does not load; the machine gets stuck.
>
> Cheers
>
> Peeter
>
> --
>
>
> On Thu, Jul 7, 2016 at 12:03 AM, Bernard Mentink <bmentink at gmail.com>
> wrote:
>
>> Hi Peeter,
>>
>> So is there a 32 bit EFI loader available for machines with a 32bit EFI
>> bios?
>>
>> Cheers,
>> Bernie
>>
>> On Wed, Jul 6, 2016 at 9:51 PM, karu.pruun <karu.pruun at gmail.com> wrote:
>>
>>> Update: the console works fine if one escapes to loader prompt and sets
>>> mode to either 0 (80x25) or 1 (80x50), and then boots the system up. The
>>> original mode set by EFI is 2 (210x55). When the system has booted up,
>>> ttyv0 will still be smaller in the top left corner, but switching to any
>>> other ttyv gives a full display (105x32).
>>>
>>> So all in all: using DragonFly 4.5 and UEFI I have a multiboot machine
>>> (macbookpro 15) with DragonFly, MacOSX, and I also installed FreeBSD for
>>> testing purposes.
>>>
>>> For those interested: DragonFly can be installed manually as described
>>> on the manual page gpt(8). The difference is in creating partitions. For
>>> booting, create a 1 GB partition and format without labelling:
>>>
>>> gpt add -s 2000000 -t "DragonFly UFS1" adX
>>> newfs /dev/adXsY
>>>
>>> where X and Y are the disk and slice respectively. Other partitions can
>>> be labelled as usual. cpdup boot stuff to the boot partition as explained
>>> in gpt(8), and the rest to other partitions. When you're finished, mount
>>> the EFI system partition
>>>
>>> mount -t msdos /dev/adsX /mnt
>>>
>>> and copy DragonFly's EFI bootloader to it
>>>
>>> mkdir -p /mnt/EFI/dragonfly
>>> cp /boot/boot1.efi /mnt/EFI/dragonfly/dragonfly_x64.efi
>>>
>>> If you have an EFI boot manager like refind, you can boot DragonFly or
>>> any other system by choosing the respective EFI bootloader at startup. If
>>> you don't have a boot manager, then EFI will look for
>>>
>>> \EFI\BOOT\BOOTx64.EFI
>>>
>>> so copy DragonFly's EFI bootloader to this file,
>>>
>>> cp /boot/boot1.efi /mnt/EFI/boot/bootx64.efi
>>>
>>>
>>> Cheers
>>>
>>> Peeter
>>>
>>> --
>>>
>>>
>>>
>>>
>>>
>>> On Tue, Jul 5, 2016 at 1:19 PM, karu.pruun <karu.pruun at gmail.com> wrote:
>>> > Hello
>>> >
>>> > I am booting DragonFly via UEFI on a macbookpro and running into
>>> > issues with console. UEFI puts console into a resolution 1680x1050,
>>> > but as soon as kernel has loaded and starts it switches to 40x25 mode
>>> > (or something similar, i.e. the default mode one sees at say CD boot),
>>> > but does not quite succeed: there's a 40x25 black-white quadrant in
>>> > the top-left corner and the rest is gray. This is compounded with
>>> > another issue: when booting is almost finished, the console starts
>>> > printing line feeds very fast although no key is pressed. In the end
>>> > the console is unusable as the prompt gets line feeds 10x a second and
>>> > nothing can be entered. Not sure the keyboard works at all. Aside from
>>> > that the system is running fine when used via ssh.
>>> >
>>> > When booted using a CD the console and keyboard are fine.
>>> >
>>> > Can I set a variable in loader.conf or elsewhere to switch the mode
>>> > back to 1680x1050 or something else?
>>> >
>>> > Cheers
>>> >
>>> > Peeter
>>> >
>>> > --
>>>
>>
>>
>>
>> --
>>
>> -------------------------------------------------------------------------------------------------------------------------------------
>> Life is a sexually transmitted disease with a 100% mortality rate.
>>
>> -------------------------------------------------------------------------------------------------------------------------------------
>>
>
>
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