bug#57589: Guix hands on GDM with wayland

[Grigory Shepelev <shegeley@gmail.com>]

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Update. I can log into "Gnome on Xorg", change ownership of /tmp/.X11-unix
to root:gdm, log out, and them login into "Gnome". This will enable
Wayland.

вт, 6 сент. 2022 г. в 11:05, Grigory Shepelev <shegeley@gmail.com>:

> Creating new user didn't helped.
>
> I created new user (did this Guix way, via adding to config and
> reconfiguring the system) and logged it as a new user. Still X11 system
> displays with `xrandr`, and `echo $XDG_SESSION_TYPE`. I don't think
> there is a need to try moving all home files, creating new user should
> be enough to test provided option.
>
> Although I noticed a gear icon below in the right of the gdm screen when
> logging in as a default user (saw that in Ubuntu) with options "GNOME"
> or "GNOME on Xorg". Trying to login in "GNOME" (Wayland supposedly)
> gives a black screen for ~2s.  After couple attempts logged back into
> "GNOME on Xorg".
>
> Attached logs again. They says something about DBUS. Any ideas?
>
> ---
>
> (gsd-keyboard:5189): dbind-WARNING **: 13:35:36.273: AT-SPI: Error
> retrieving accessibility bus address:
> org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not
> provided by any .service files
> (gsd-xsettings:5219): dbind-WARNING **: 13:35:36.476: AT-SPI: Error
> retrieving accessibility bus address:
> org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not
> provided by any .service files
> GNOME Shell-Message: 13:35:36.777: Registering session with GDM
> The XKEYBOARD keymap compiler (xkbcomp) reports:
>  > Warning:          Unsupported maximum keycode 708, clipping.
>  >                   X11 cannot support keycodes above 255.
> Errors from xkbcomp are not fatal to the X server
> (gnome-shell:5099): mutter-WARNING **: 13:36:02.454: Connection to
> xwayland lost
> ---
>
> On 05.09.2022 20:55, Grigory Shepelev wrote:
> > Had some info from Guix Matrix channel:
> > > GDM does wayland too with the option set to #t. I was able to get it
> > to work going back from sddm, but I had to remove the home folder and
> > recreate it from scratch, since gnome session was crashing on login. I
> > had no problem starting gnome on a new account so i figured something
> > was hanging around that cause a problem even after deleting all caches
> > and configs etc.
> > > By “home folder” I mean my user’s directory /home/use
> >
> >
> https://matrix.to/#/!jivGmMiiorFwdgwaxc:matrix.org/$W4HJQCzv8G0aHM3_PAFrtUaj6Q3aS18vMZCwlMch71I?via=matrix.org&via=hummingbard.com&via=privacytools.io
> > <
> https://matrix.to/#/!jivGmMiiorFwdgwaxc:matrix.org/$W4HJQCzv8G0aHM3_PAFrtUaj6Q3aS18vMZCwlMch71I?via=matrix.org&via=hummingbard.com&via=privacytools.io>
>
> >
> >
> > Most likely will try for new user tomorrow
> >
> > пн, 5 сент. 2022 г., 16:24 Grigory Shepelev <shegeley@gmail.com>:
> >
> >    Oops. I accidentally replied privately to dev@jpoiret.xyz, not
> >    mentioning 57589@debbugs.gnu.org. I hope the history can be recovered
> >    from this message.
> >
> >    Josselin recommended to
> >
> >    - check permissions on /tmp/.X11-unix/ (gdm user should have r+w
> >    permissions)
> >
> >          shegeley@zone51 /tmp$ ls -lah .X11-unix/
> >          total 0
> >          drwxrwxrwt 2 gdm      gdm    80 сен  5 16:12 ./
> >          drwxrwxrwt 6 root     root  160 сен  5 16:16 ../
> >          srwxrwxrwx 1 shegeley users   0 сен  5 16:12 X1
> >          srwxr-xr-x 1 gdm      gdm     0 сен  5 16:12 X1024
> >
> >    -  check /var/lib/gdm/, doesn't have the proper permissions
> >
> >         Hm. That's really strange. For some reason /var/lib/gdm had
> >         "transmission" as user-group. I assure you that I didn't
> > explicitly
> >         do any "dirty stuff" like that permission changing in my config
> >
> >
> >         shegeley@zone51 /tmp$ sudo ls -lah /var/lib/gdm
> >         total 0
> >         drwx------ 1 gdm  gdm           38 авг 26 21:46 .
> >         drwxr-xr-x 1 root root         248 авг 28 18:37 ..
> >         drwxr-xr-x 1  973 transmission  62 авг 26 21:46 .cache
> >         drwx------ 1  973 transmission  44 авг 26 21:46 .config
> >         drwx------ 1  973 transmission  10 авг 26 21:46 .local
> >         shegeley@zone51 /tmp$ sudo chown -R gdm:gdm /var/lib/gdm
> >         shegeley@zone51 /tmp$ sudo ls -lah /var/lib/gdm
> >         total 0
> >         drwx------ 1 gdm  gdm   38 авг 26 21:46 .
> >         drwxr-xr-x 1 root root 248 авг 28 18:37 ..
> >         drwxr-xr-x 1 gdm  gdm   62 авг 26 21:46 .cache
> >         drwx------ 1 gdm  gdm   44 авг 26 21:46 .config
> >         drwx------ 1 gdm  gdm   10 авг 26 21:46 .local
> >
> >
> >    After changing it was able to launch into GDM, but with X11 as display
> >    manager :( Attached new logs.
> >
> >
> >    On 05.09.2022 10:23, Josselin Poiret wrote:
> >     > Hi again,
> >     >
> >     > Grigory Shepelev<shegeley@gmail.com> writes:
> >     >
> >     >> My config is heavily depends on it's directory (passing it with
> >     >> --load-path). I can (and will) publish it all (I've been
> >    planning to do
> >     >> so) but I'd like to polish few parts.
> >     >>
> >     >> Any exact part are you looking for in config?  I attached my
> >    system-wide
> >     >> services.
> >     > I asked for that partly because it helps identifying common
> >    errors, and
> >     > it's always better for people debugging to have access to all the
> >     > information, and partly because I couldn't see anything that
> >    could help
> >     > in the logs.  However, it seems mutter can't write into
> >    /tmp/.X11-unix/,
> >     > could you check that the gdm user has the permission to write
> >    there?  It
> >     > should be rwxrwxrwx.  I don't see any modification in your config
> >    that
> >     > would prevent the x11-socket-directory-service from
> >    %desktop-services to
> >     > run.  Also, it seems that /var/lib/gdm/ doesn't have the proper
> >     > permissions, maybe because of [1].  You can try `sudo chown -R
> >    gdm:gdm
> >     > /var/lib/gdm` to fix that.
> >     >
> >     > [1]https://issues.guix.gnu.org/36508
> >     >
> >     > HTH.
> >

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