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Date: Wed, 20 May 2020 19:25:17 -0700
From: bob prohaska <fbsd@www.zefox.net>
To: Ian Lepore <ian@freebsd.org>
Cc: freebsd-arm@freebsd.org, freebsd-ports@freebsd.org
Subject: Re: Missing /dev/io on rpi3 running 12-stable
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On Wed, May 20, 2020 at 11:01:44AM -0600, Ian Lepore wrote:
> On Wed, 2020-05-20 at 09:46 -0700, bob prohaska wrote:
> > Is there supposed to be a /dev/io by default in FreeBSD on a Pi3?
> > Attempts to start X under 12.1-STABLE r361271 GENERIC fail with
> > a report of "failed to open /dev/io". There is indeed no /dev/io,
> > but there's also no /dev/io on a pi2 running 12-stable. 
> > 
> > Nor does there seem to be  a kernel module with matching name....
> > 
> > Thanks for reading!
> > 
> > 
> 
> /dev/io is an x86 thing, doesn't apply to arm at all.  It allows
> userland processes with sufficient privs to execute x86 in/out
> instructions for talking to old-school ISA bus devices such as
> keyboards.

Which list is the appropriate forum, -ports, -arm or something else?
If there is a better problem description I'll use it.  ISTR xorg 
compiling and running without a hitch on -current previously, ~ 
a year ago.

Thanks for writing,

bob prohaska
ps, any progress on vc4?