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Date:      Thu, 10 Oct 2019 15:30:18 +0200
From:      Jan Beich <jbeich@FreeBSD.org>
To:        Adam Weinberger <adamw@adamw.org>
Cc:        x11@freebsd.org
Subject:   Re: sway (and a libinput error message)
Message-ID:  <o8yo-6845-wny@FreeBSD.org>
In-Reply-To: <CAP7rwcgSubbFXNqOqq4rRr-X2ZBVpBuTmw8_xU_zwNcw4kksXw@mail.gmail.com> (Adam Weinberger's message of "Thu, 10 Oct 2019 06:20:20 -0600")
References:  <CAP7rwcgSubbFXNqOqq4rRr-X2ZBVpBuTmw8_xU_zwNcw4kksXw@mail.gmail.com>

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Adam Weinberger <adamw@adamw.org> writes:

> Hi Jan,
>
> I haven't run X on FreeBSD in many, many years. I'm trying to set up
> sway on a new laptop (Purism Librem 13 v4), but I'm getting this
> message when I run `sway`:

I don't set up Sway from scratch every day, so don't remember all the details.
Try reading x11@ maillist archive (mainly Greg V posts) to get a list of
common quirks of running *any* Wayland compositor on FreeBSD e.g.,

https://lists.freebsd.org/pipermail/freebsd-x11/2019-January/022481.html

> [backend/libinput/backend.c:84] libinput inilialization failed, no input devices
> [backend/libinput/backend.c:85] Set WLR_LIBINPUT_NO_DEVICES=1 to
> suppress this check

Could be either lack of /dev/input/* access or EVDEV_SUPPORT.
To diagnose run "libinput debug-events" then press some keys.

For one, I have the following in /etc/devfs.rules

  [localrules=10]
  add path 'input/*' mode 0660 group video

as https://github.com/FreeBSDDesktop/libudev-devd/pull/8 haven't
propagated into devel/libudev-devd port.

To get modifer keys work correctly define XKB_DEFAULT_RULES=evdev via
environ(7) or put "input * xkb_rules evdev" into ~/.sway/config.
x11/libxkbcommon upstream actually defaults to "evdev".

> [backend/multi/backend.c:32] Failed to initialize backend.
> [sway/server.c:195] Failed to start backend
> [main.c:5211] Missing a required Wayland interface
>
> I wasn't able to resolve this with google searches. When I set that
> variable noted above, sway starts but, predictably, the mouse and
> keyboard don't work.
>
> Can you point me in the right direction? I really appreciate it. I'm
> excited specifically for sway, so I do want to make this work. Thanks
> Jan.
>
> # Adam



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