Re: Thinkpad X220T digitizer pen stopped no longer works on NetBSD 11.99.1

[Kevin Bloom <ktnb%posteo.net@localhost>]

RVP <rvp%SDF.ORG@localhost> wrote:

> On Fri, 10 Oct 2025, Kevin Bloom wrote:
> 
> >>> Note on my NetBSD 10 system I believe there were 4 wsmouse devices.
> >>>
> >>
> >> Can you post,
> >>
> >> 1. the full `/var/run/dmesg.boot` after booting with `boot -vx', and,
> >>
> >> 2. the full `/var/log/Xorg.0.log' on both 10.x and -HEAD?
> >>
> >> -RVP
> >
> > Posted this stuff and got no reply. Any ideas given the information
> > I sent in?
> >
> 
> Ah, sorry! lost track of this completely. From the `dmesg.boot' on -HEAD, it
> looks like you have more that 4 wsmouse devices. Can you post the `dmesg.boot'
> from 10.x too, to compare?

Sadly, I don't have one to get this information.

> Can you also,
> 
> 1. compile xorg-server with this patch:
> ```
> diff -urN a/xorg-server/dist/config/wscons.c b/xorg-server/dist/config/wscons.c
> --- a/xorg-server/dist/config/wscons.c	2021-12-05 21:14:12.000000000 +0000
> +++ b/xorg-server/dist/config/wscons.c	2025-10-11 06:09:19.722366109 +0000
> @@ -233,7 +233,7 @@
>       int fd, i, wsmouse_type;
> 
>       /* Check pointing devices */
> -    for (i = 0; i < 4; i++) {
> +    for (i = 0; i < 10; i++) {
>           snprintf(devname, sizeof(devname), "%s%d", WSCONS_MOUSE_PREFIX, i);
>           LogMessageVerb(X_INFO, 10, "wsmouse: checking %s\n", devname);
>   #ifdef __NetBSD__
> ```

I'm on 11.99.3 now and this patch doesn't seem to have helped.

> 2. make some more /dev/wsmouseN devices to correspond?

I have not tried this yet. I've never done it before so I must read
up on how this is done.

> Let's see if the xorg-server's happy when it can discover the actual
> characteristics of the pointers, rather that reading smooshed-together stuff
> read from the multiplexer device, `/dev/wsmouse'.
> 
> -RVP