This bug now affects Bionic (and the core18 snap as a result) after
picking up Mesa 19 from Disco in the 18.04.3 HWE release.
$ vainfo
libva info: VA-API version 1.1.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_1_1
error: failed to resolve wl_drm_interface():
/usr/lib/x86_64-linux-gnu/libEGL_mesa.so.0: undefined symbol: wl_drm_interface
libva error: /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so init failed
libva info: va_openDriver() returns -1
vaInitialize failed with error code -1 (unknown libva error),exit
$ glxinfo -B
name of display: :0
display: :0 screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
Vendor: Intel Open Source Technology Center (0x8086)
Device: Mesa DRI Intel(R) UHD Graphics 620 (Kabylake GT2) (0x5917)
Version: 19.0.2
Accelerated: yes
Video memory: 3072MB
Unified memory: yes
Preferred profile: core (0x1)
Max core profile version: 4.5
Max compat profile version: 3.0
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 3.2
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) UHD Graphics 620 (Kabylake GT2)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 19.0.2
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL version string: 3.0 Mesa 19.0.2
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 19.0.2
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
--
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which is subscribed to intel-vaapi-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1813131
Title:
i965_drv_video.so doesn't load any more if a Wayland server is present
[failed to resolve wl_drm_interface(): /lib/x86_64-linux-
gnu/libEGL_mesa.so.0: undefined symbol: wl_drm_interface]
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https://bugs.launchpad.net/libva/+bug/1813131/+subscriptions
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