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Date:      Tue, 5 Jan 2021 16:03:20 -0800
From:      Mark Millard <marklmi@yahoo.com>
To:        Toomas Soome <tsoome@me.com>
Cc:        John Kennedy <warlock@phouka.net>, chrisb <chrisb@fastmail.net>, David Wolfskill <david@catwhisker.org>, Current FreeBSD <freebsd-current@freebsd.org>
Subject:   Re: boot loader blank screen
Message-ID:  <6F204B12-192A-4A78-ABA7-190785B410EF@yahoo.com>
In-Reply-To: <831788F9-F97F-4A02-A6F9-AE05219DA2E9@me.com>
References:  <X/NA4Jk/P%2Bih5WSD@phouka1.phouka.net> <83EB3B04-EAE8-4EC3-820B-2F5C3BADE948@me.com> <66908803-BA6F-4538-9D93-6F85A95108C9@me.com> <831788F9-F97F-4A02-A6F9-AE05219DA2E9@me.com>

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On 2021-Jan-5, at 14:46, Toomas Soome <tsoome at me.com> wrote:

> On 5. Jan 2021, at 00:59, Toomas Soome <tsoome@me.com> wrote:
>>=20
>>=20
>>=20
>>> On 4. Jan 2021, at 18:30, Toomas Soome <tsoome@me.com> wrote:
>>>=20
>>>=20
>>>=20
>>>> On 4. Jan 2021, at 18:22, John Kennedy <warlock@phouka.net> wrote:
>>>>=20
>>>> This is a little weird.
>>>>=20
>>>> Somewhere between 13.0-g2ff66a915526 (Dec 30th) and -gd03fd8ede2c4 =
(Dec 29th),
>>>> I've lost the screen in the boot loader.  This is really weird =
because I
>>>> didn't update the boot loader (in quite a while, actually), but I =
suppose it
>>>> might drag some stuff off of the disk and misbehave.
>>>>=20
>>>> But the system boots, presumably after the countdown that I can't =
see, I just
>>>> have to SSH in from a different machine to tweak things.  Just no =
screen at
>>>> all past the GELI encrypted disk password prompt (and some usual =
noise as
>>>> it complains about some padding that I've seen forever).
>>>>=20
>>>> I used to just upgrade the boot loader around ZFS upgrades, and I =
haven't
>>>> done that since OpenZFS got merged.  I just got overly conservative =
there
>>>> and may have missed the "all clear" for all combinations of ZFS and =
the
>>>> bootloader recognizing them.
>>>>=20
>>>> The git logs in /usr/src aren't time-sequential, so maybe I =
shouldn't trust
>>>> those dates above (I pulled it ~Jan 3rd and let it compile =
overnight), but
>>>> I'm going to repull all the sources and recompile, just in case.  I =
might
>>>> have initiall pulled it during the git conversion and maybe it is =
confused.
>>>>=20
>>>=20
>>> hi!
>>>=20
>>> Yes, it is known defect, and I=E2=80=99m searching for cause; the =
issue is with /boot/loader and BIOS text mode (unfortunately I have the =
usual =E2=80=98but it is working for me=E2=80=99 case). For workaround, =
you can try to either: 1 (blind) press esc to get out of boot menu, then =
enter: vbe on; another option is to add hw.vga.textmode=3D=E2=80=9C0=E2=80=
=9D to loader.conf.
>>>=20
>>> Sorry for confusion,
>>> toomas
>>>=20
>>=20
>> the 58661b3ba9eb should hopefully fix the loader text mode issue, it =
would be cool if you can verify:)
>>=20
>> thanks,
>> toomas
>=20
> I think, I got it fixed (at least idwer did confirm for his system, =
thanks). If you can test this patch: =
http://148-52-235-80.sta.estpak.ee/0001-loader-rewrite-font-install.patch =
it would be really nice.
>=20

[I got to this sooner than I originally expected.]

With the patch applied, hw.vga.textmode=3D"1" finally displayed
correctly for the ThreadRipper 1950X context that I had originally
reported. (The only amd64 FreeBSD context that I've access to.)

Thanks,
Mark

=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)




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