Re: problems with current on a 3/80

[David Brownlee <abs%absd.org@localhost>]

On Sun, 24 May 2026 at 18:21, foo bar <tokenalt%gmail.com@localhost> wrote:
> [...]
> I recently tried updating my kernel on my 3/80 and encountered an odd
> problem. While the kernel detected all the RAM it for some reason
> listed 3/4 of it as reserved.
>
> [   1.0000000] NetBSD 11.99.5 (GENERIC3X) #6: Sun Mar 29 19:44:59 EDT 2026
> [   1.0000000]  xun@stuff:/usr/obj/sys/arch/sun3/compile/GENERIC3X
> [   1.0000000] Model: sun3x 80
> [   1.0000000] fpu: mc68882
> [   1.0000000] total memory = 65536 KB
> [   1.0000000] avail memory = 62224 KB
>
> [   1.0000000] NetBSD 11.99.6 (GENERIC3X) #12: Sat May 23 18:56:08 EDT 2026
> [   1.0000000]  xun@stuff:/usr/obj/sys/arch/sun3/compile/GENERIC3X
> [   1.0000000] Model: sun3x 80
> [   1.0000000] MC68030 CPU+MMU @ 20MHz, MC68882 FPU
> [   1.0000000] total memory = 65536 KB
> [   1.0000000] avail memory = 13480 KB

I suspect this could be related to Jason's work to build a new m68k
pmap and unify the various disparate implementations, with sun3x being
the odd-variant-of-the-odd-sun3-variant (OK, technically it's the
more-like-the standard-mmu-variant-of-the-odd-sun3-variant, but....)

David