Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: unity-greeter (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1379630
Title:
libgl1-mesa-dri in Ubuntu 14.04 cannot provide 3D acceleration in
VirtualBox
Status in unity-greeter package in Ubuntu:
Confirmed
Bug description:
I tried both release and proposed versions of libgl1-mesa-dri
(10.1.3-0ubuntu0.1 and 10.1.3-0ubuntu0.2). They both produce the same
errors as shown below:
$ LIBGL_DEBUG=verbose glxinfo
name of display: :0
libGL: screen 0 does not appear to be DRI3 capable
libGL: screen 0 does not appear to be DRI2 capable
libGL: OpenDriver: trying /usr/lib/x86_64-linux-gnu/dri/tls/swrast_dri.so
libGL: OpenDriver: trying /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
libGL: driver does not expose __driDriverGetExtensions_swrast():
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so: undefined symbol:
__driDriverGetExtensions_swrast
$ /usr/lib/nux/unity_support_test -p
OpenGL vendor string: VMware, Inc.
OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.4, 128 bits)
OpenGL version string: 2.1 Mesa 10.1.3
Not software rendered: no
Not blacklisted: yes
GLX fbconfig: yes
GLX texture from pixmap: yes
GL npot or rect textures: yes
GL vertex program: yes
GL fragment program: yes
GL vertex buffer object: yes
GL framebuffer object: yes
GL version is 1.4+: yes
Unity 3D supported: no
The workaround, as referenced in the following link, is to downgrade
libgl1-mesa-dri. I tried downgrading to 10.1.0-4ubuntu5 but it also didn't work.
https://bbs.archlinux.org/viewtopic.php?id=180451
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