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Date:      Sat, 08 Oct 2016 00:39:33 +0000
From:      bugzilla-noreply@freebsd.org
To:        x11@FreeBSD.org
Subject:   maintainer-feedback requested: [Bug 213300] x11-servers/xorg-vfbserver: Xvfb is missing GLX extension
Message-ID:  <bug-213300-7141-iK5LM547Cw@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-213300-7141@https.bugs.freebsd.org/bugzilla/>
References:  <bug-213300-7141@https.bugs.freebsd.org/bugzilla/>

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don bright <hmbright@fastmail.com> has reassigned Bugzilla Automation
<bugzilla@FreeBSD.org>'s request for maintainer-feedback to x11@FreeBSD.org:
Bug 213300: x11-servers/xorg-vfbserver: Xvfb is missing GLX extension
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D213300



--- Description ---
Xvfb no longer has the GLX extension on FreeBSD 11.0. Trying to run GLX
programs on a headless machine fails. This makes the OpenSCAD test suite fa=
il
and many "headless OpenGL tutorials" on the web also fail.=20

This used to work in older versions of FreeBSD.=20

To reproduce:

$ Xvfb :123 -screen 0 800x600x24 &
$ DISPLAY=3D:123 glxgears
Error: couldn't get an RGB, Double-buffered visual
$ DISPLAY=3D:123 glxinfo=20
name of display: :123
Error: couldn't find RGB GLX visual or fbconfig



[don@noether ~/openscad/tests/bin]$ Xvfb +extension GLX
[mi] Extension "GLX" is not recognized
[mi] Only the following extensions can be run-time enabled:
[mi]	Generic Events
[mi]	Composite
[mi]	DAMAGE
[mi]	DOUBLE-BUFFER
[mi]	DPMS
[mi]	MIT-SHM
[mi]	RANDR
[mi]	RENDER
[mi]	X-Resource
[mi]	XFIXES
[mi]	XINERAMA
[mi]	XTEST
[mi]	XVideo

Thanks for reading.



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