Asked on nvidia forum, maybe they'll be able to give some advise:
https://devtalk.nvidia.com/default/topic/1000172/linux/root-less-xorg-
does-not-detect-displays-which-leads-to-segfault-in-mutter/
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A little bit of debugging and investigating confirm what is in log
above:
libmutter cannot get a monitor and crashes here:
https://github.com/GNOME/mutter/blob/master/src/backends/meta-backend.c#L128-L133
primary =
meta_monitor_manager_get_primary_logical_monitor (monitor_manager);
Here is another observation (my old workaround):
- KMS is enabled, gdm starts in wayland mode. Trying to start gnome-
shell in Xorg mode fails (gnome-shell/mutter crash).
- Switch to tty (ctrl+alt+f2), login and start:
- $ sudo lightdm --test-mode
- lightdm is starting, nvidia logo appears for
Tim,
indeed, if KMS is enabled, gdm starts perfectly in wayland mode and you
can use gnome-shell wayland session (glx is however broken). But if you
would like to use gnome-shell Xorg session, then gnome-shell will crash,
because apparently gdm starts xorg in rootless mode (I presume uid of
user
I don't currently have access to my nvidia hardware and to be honest not
even sure if rootless Xorg is supported yet on nvidia drivers, however I
would have assumed that if wayland is mostly working then the KMS
support would have been in good enough shape for this to work.
Without
** Also affects: xorg (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1672033
Title:
Xorg does not work in rootless mode on nvidia proprietary
** Summary changed:
- XOrg does not work in rootless mode on nvidia proprietary drivers (GNOME)
+ Xorg does not work in rootless mode on nvidia proprietary drivers (GNOME)
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** Summary changed:
- XOrg does not work in rootless mode on nvidia proprietary drivers
+ XOrg does not work in rootless mode on nvidia proprietary drivers (GNOME)
** Also affects: nvidia-drivers-ubuntu
Importance: Undecided
Status: New
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