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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jun 12 10:58:51 UTC 2019


Michel Dänzer <michel at daenzer.net> changed:

           What    |Removed                     |Added
                 CC|                            |emil.l.velikov at gmail.com
          Component|Other                       |EGL

--- Comment #2 from Michel Dänzer <michel at daenzer.net> ---
I just ran into this as well yesterday.

The problem seems to be that mutter ends up using a DRM render node FD for
GBM/drawing, so the GEM BOs created with that do not exist in the DRM card node
FD used for KMS, so mutter ends up unable to display anything.

mutter does pass in the KMS FD via the EGL_DRM_MASTER_FD_EXT attribute.

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