Public bug reported:
This may relate to this item in the changelog for this version of gdm3:
* Drop 95_hide_x11_sessions_with_nvidia_kdms.patch:
- No longer needed with nvidia-384
I noticed before this version that indeed, if I enabled modeset on
nvidia-387 (which actually worked), I only saw the Wayland sessions in
gdm, not the Xorg ones. I actually want Xorg sessions right now (For
Reasons I Could Bore You With), but I thought I'd try enabling modeset
again when I saw this.
Instead what happens is, I see and can choose the Xorg sessions, but
when I try to log in using GNOME on Xorg, it just returns back to the
gdm login screen, after a pause of a few seconds.
There's no obvious signs of an actual crash, in syslog or in /var/crash.
I spot this though, during each attempted X session startup:
Oct 11 12:39:07 fleetfoot gsd-xsettings[2515]: Failed to get current
display configuration state:
GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Name
"org.gnome.Mutter.DisplayConfig" does not exist
and
Oct 11 12:39:21 fleetfoot gnome-shell[2816]: Failed to apply DRM plane
transform 0: Invalid argument
Oct 11 12:39:21 fleetfoot gnome-shell[2816]: Failed to apply DRM plane
transform 0: Invalid argument
Oct 11 12:39:21 fleetfoot org.gnome.Shell.desktop[2816]: Disabling glamor and
dri3, EGL setup failed
Oct 11 12:39:21 fleetfoot org.gnome.Shell.desktop[2816]: Failed to initialize
glamor, falling back to sw
Wayland session appears to be working fine FWIW, with nvidia-387. But
previously I did have a couple of random-seeming system hangs using it,
which is one of the boring reasons I'm still preferring Xorg on nvidia.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: gdm3 3.26.1-3ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-15.16-generic 4.13.4
Uname: Linux 4.13.0-15-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.7-0ubuntu2
Architecture: amd64
CurrentDesktop: GNOME
Date: Wed Oct 11 12:42:42 2017
InstallationDate: Installed on 2017-07-30 (72 days ago)
InstallationMedia: Ubuntu-GNOME 17.04 "Zesty Zapus" - Release amd64 (20170412)
SourcePackage: gdm3
UpgradeStatus: Upgraded to artful on 2017-08-22 (49 days ago)
** Affects: gdm3 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug artful wayland-session
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https://bugs.launchpad.net/bugs/1722779
Title:
Xorg session exits on login if nvidia modeset=1
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