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[Lupius <coolincarl@xxxxxxxxx>]

Public bug reported:

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
error 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

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

** Affects: unity-greeter (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: cinnamon dri mesa virtualbox

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https://bugs.launchpad.net/bugs/1379630

Title:
  libgl1-mesa-dri in Ubuntu 14.04 causes Cinnamon to launch into
  software render mode

Status in “unity-greeter” package in Ubuntu:
  New

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
  error 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

  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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