console in UEFI boot

Thu Jul 7 13:14:47 PDT 2016

In my case, I have a small Atom based micro-PC which is 64bits with a
32-bit UEFI ...
I use it as a media center PC ...

On Fri, Jul 8, 2016 at 6:58 AM, Samuel Paik <sam at paiks.org> wrote:

> 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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