[Mesa-dev] [Bug 110903] Can't start mutter or GDM with wayland

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110903

            Bug ID: 110903
           Summary: Can't start mutter or GDM with wayland
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Other
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: pierre-eric.pelloux-prayer at amd.com
        QA Contact: mesa-dev at lists.freedesktop.org

Created attachment 144518
  --> https://bugs.freedesktop.org/attachment.cgi?id=144518&action=edit
dmesg (kernel options used: drm.debug=0x7)

Since d6edccee8da38d4802020d5aa4d9e11bb7aae801 GDM + wayland won't start on my
machines.
The cursor appears but I can't move it and the background stays black.

Observations:
* mutter --wayland -r --no-x11 fails in the same way
* GDM with x11 still works correctly.
* using master and reverting a7ecf78b900c28aafdc1cd1e1a4117feb30a66c9,
4e3297f7d4d87618bf896ac503e1f036a7b6befb and
d6edccee8da38d4802020d5aa4d9e11bb7aae801 fixes the problem (the 2 first commits
doesn't cause the problem but depends on the problematic one).

Versions:
* mutter: 3.30.2-7 (from Debian)
* mesa / drm : master
* linux: 40cc64619a2580b (from amd-staging-drm-next)

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