It looks like two problems:
1. The vmwgfx kernel driver might be broken.
2. gnome-shell claims that you have MUTTER_DEBUG_FORCE_EGL_STREAM=1 set
in your environment, which will disable the normal graphics driver. If
that's not true then it means memory corruption has happened even
earlier during gnome-shell startup.
Oct 17 13:06:54 localhost gnome-shell[2055]: Running GNOME Shell (using mutter
46.2) as a Wayland display server
Oct 17 13:06:54 localhost kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed
to open channel.
Oct 17 13:06:54 localhost kernel: [drm:vmw_msg_ioctl [vmwgfx]] *ERROR* Failed
to open channel.
Oct 17 13:06:54 localhost gnome-shell[2055]: Failed to open gpu
'/dev/dri/card0': Failed to initialize render device for /dev/dri/card0: GBM
backend was disabled using env var, EGLStream render device requires an EGL
display
Oct 17 13:06:54 localhost org.gnome.Shell.desktop[2055]: Failed to setup: No
GPUs found
** Package changed: gdm3 (Ubuntu) => ubuntu
** Also affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Changed in: mutter (Ubuntu)
Status: New => Invalid
** Package changed: ubuntu => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Status: Incomplete => Opinion
** Changed in: linux (Ubuntu)
Status: Opinion => New
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https://bugs.launchpad.net/bugs/2128840
Title:
Automatic Login with gdm3 amd64 46.2-1ubuntu1~24.04.3 [335 kB] is
broken.
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