** Bug watch added: gitlab.gnome.org/GNOME/mutter/-/issues #3516
   https://gitlab.gnome.org/GNOME/mutter/-/issues/3516

** Also affects: mutter via
   https://gitlab.gnome.org/GNOME/mutter/-/issues/3516
   Importance: Unknown
       Status: Unknown

** Summary changed:

- Mutter autgopkgtests are failing if a GPU exists but is not accessible
+ Mutter autopkgtests are failing if a GPU exists but is not accessible

** Description changed:

- Mutter autgopkgtests are failing if a GPU exists but is not accessible.
+ Mutter autopkgtests are failing if a GPU exists but is not accessible.
  Surprisingly this only just started becoming a problem recently:
  
  2730s # libmutter-MESSAGE: Running Mutter Test (using mutter 42.9) as a 
Wayland display server
  2730s libmutter-Message: 13:24:23.050: Running Mutter Test (using mutter 
42.9) as a Wayland display server
  2730s Bail out! libmutter-FATAL-WARNING: Failed to open gpu '/dev/dri/card0': 
Failed to open device '/dev/dri/renderD128': Permission denied
  2730s
  2730s (/usr/libexec/installed-tests/mutter-10/mutter-test-runner:6015): 
libmutter-WARNING **: 13:24:23.139: Failed to open gpu '/dev/dri/card0': Failed 
to open device '/dev/dri/renderD128': Permission denied
  
  
https://autopkgtest.ubuntu.com/results/autopkgtest-jammy/jammy/arm64/m/mutter/20240604_132730_8ae4b@/log.gz
  
https://autopkgtest.ubuntu.com/results/autopkgtest-jammy/jammy/arm64/m/mutter/20240604_160842_abf03@/log.gz
  
  I can also reproduce it on amd64 using a second user account that
  doesn't have access to /dev/dri/*
  
  Previous successful builds look like they worked only because there was
  no GPU to fail to open(?)

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https://bugs.launchpad.net/bugs/2068119

Title:
  Mutter autopkgtests are failing if a GPU exists but is not accessible

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