Any sync-serial driver users (ce/cp/ctau/cx)?

[Ed Maste]

On Mon, 2 Mar 2020 at 14:03, Ed Maste <emaste at freebsd.org> wrote:
>
> On Sat, 29 Feb 2020 at 15:57, Warner Losh <imp at bsdimp.com> wrote:
> >
> > Given the ~15 years of nothing but API changes to these cards, and the lack of testing of those changes, and the large technology transitions in net and tty layers of the system, I'd honestly be surprised if these drivers still work.
>
> Deprecation notices in review D23928 https://reviews.freebsd.org/D23928.
>
> As rgrimes points out cx(4) is for an ISA card (Cronyx Sigma family),
> and I assume there's no conflict over removing it. Likewise with ctau,
> which is also ISA, discontinued by the manufacturer and not supported
> in FreeBSD 7+ by them.

I've MFC'd the deprecation notices for cx and ctau and will remove
them from HEAD before too long. glebius@ is going to follow up with
Cronyx for more details about the cards supported by ce and cp. I
would still appreciate any report that these drivers have been used /
tested on contemporary FreeBSD.