Re: Some questions about the "new" console and the boot loader

On Sep 25, 2025, at 12:30, Mark Millard <marklmi@yahoo.com> wrote:

> Patrick M. Hausen <hausen_at_punkt.de> wrote on
> Date: Thu, 25 Sep 2025 16:56:43 UTC :
> 
>> I had hoped to meet Warner in Zagreb to discuss this over a beer which I would
>> have happily paid for, or even some more, but he did not make it.
>> 
>> Ever since FreeBSD 14 a certain hardware platform that we rent at Hetzner showed
>> this irritating and extremely difficult to debug problem:
>> 
>> . . .
> 
> I did some looking around for the status vs. the
> documentation and there appears to be no documentation
> in the man pages mentioning "eficom" that was added in
> mid 2023. For:
> 
> # uname  -apKU
> FreeBSD 7950X3D-ZFS 16.0-CURRENT FreeBSD 16.0-CURRENT main-n280598-57d5a8feda3f GENERIC-NODEBUG amd64 amd64 1600000 1600000
> 
> (official pkgbase from on 2025-Sep-24) the search
> for eficom and the results are:
> 
> # man -K eficom
> #
> 
> 
> So this console handling subject area may well be one
> needing consultation with Warner instead of reading man
> pages.
> 
> 
> In case you want to look, the eficom commits to
> main are from:
> 
> 
> QUOTE
> author Warner Losh <imp@FreeBSD.org> 2023-05-11 20:03:17 +0000
> committer Warner Losh <imp@FreeBSD.org> 2023-05-11 20:06:03 +0000
> 
> commit 2f131435bc22540db2d3f6bf97e5f9fe7039f889 (patch)
> tree 6dbcc069a318165f9827ca21f1ef5b631187b796
> parent 86c31aca33ff771b845acbbed3b3659fde7e710f (diff)
> 
> stand: efi create eficom console device.
> . . .
> END QUOTE
> 
> through:
> 
> QUOTE
> author Kyle Evans <kevans@FreeBSD.org> 2023-05-28 18:50:46 +0000
> committer Kyle Evans <kevans@FreeBSD.org> 2023-05-28 18:54:50 +0000
> 
> commit 9ed4ec4ae34a9ecab0471f1dbf392729155d7411 (patch)
> tree b47b4755066ec1e404c85a9aa36c8ed51bbd1f01
> parent 697727110b68e483c320d834bcbcdf01c01142a1 (diff)
> 
> stand: libefi: avoid a null pointer deref in eficom
> . . .
> END QUOTE
> 
> 
> For reference:
> 
> # ~/fbsd-branches-containing.sh 2f131435bc22540db2d3f6bf97e5f9fe7039f889
> * main
>  releng/14.2
> + releng/14.3
> + stable/14
>  remotes/freebsd/HEAD -> freebsd/main
>  remotes/freebsd/main
>  remotes/freebsd/releng/14.0
>  remotes/freebsd/releng/14.1
>  remotes/freebsd/releng/14.2
>  remotes/freebsd/releng/14.3
>  remotes/freebsd/stable/14
> 

If my git repository had been more up to date, then
remotes/freebsd/stable/15 would have shown up as
well.


===
Mark Millard
marklmi at yahoo.com