On 04/03/2017 13:25, Laverne Schrock wrote:
Hi,
I'm using GDM on Fedora 25 and want to change the default graphical
session that is used. The "built in" default session is the "Gnome"
session, but I want the default session to be the "Gnome Xorg"
session.
I have added DefaultSession=gnome-xorg.desktop and WaylandEnable=false
to the [daemon] section of /etc/gdm/custom.conf as recommend here:
https://ask.fedoraproject.org/en/question/96134/how-can-i-set-xorg-as-a-default-on-fedora-25/
I have also deleted all the contents of /var/lib/AccountsService/users
so that no per-user defaults cause problems.
Here is what happens. I boot up the computer, type in my username, hit
enter, and type in my password. Before I proceed, I check which
session is going to be used. "Gnome" is the one selected on the list.
I proceed anyway. After login, I see that Xorg is running, NOT
Xwayland.
I log out, and the go to log back in. I check the list again, and
"Gnome" is still selected. This time when I log in, Xwayland is
running. Huh? If I manually select the "Gnome Xorg" entry, I get what
I expect and my preference will be saved, but I want to set the
default for all users.
How do you check which Gnome session is running, Gnome-Wayland or
Gnome-Xorg? I am using the proprietary Nvidia driver which runs with
either Wayland or Xorg.
I have one issue with this process, if I logout and select Gnome-Xorg
from GDM then Gnome starts quite happily and the logout and restart can
be issued as many times as I like. If I select Gnome and login after
booting my machine it starts Gnome quite happily, if I logout and leave
the selection at Gnome and log back in, Gnome refuses to start until I
reboot. If I login with Gnome and logout, then select Gnome-Xorg and
login that starts Gnome quite happily, if I then logout and select Gnome
again that refuses to start Gnome until I reboot as well.
I have checked this with other users by trying to login with Gnome
selected and that refuses to start Gnome as well. Also if I login with
Gnome, logout, login with Plasma selected which starts KDE, logout, and
select Gnome and attempt to login that refuses to start Gnome as well.
My understanding is that selecting Gnome starts Gnome with Wayland not
Xorg, hence the Gnome-Xorg entry. If I am correct then I suspect the
issues you are querying and the issues I am having are a bug in Wayland.
regards,
Steve
Am I doing something wrong or does this seem like a bug? If it is a
bug, I don't know which package it actually belongs to.
Thanks,
Laverne Schrock
P.S.
My graphics card:
$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Core Processor
Integrated Graphics Controller (rev 12)
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