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[Launchpad Bug Tracker <1417034@xxxxxxxxxxxxxxxxxx>]

** Branch linked: lp:~timchen119/unity-control-center/unity-control-
center.lp1417034.trusty

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https://bugs.launchpad.net/bugs/1417034

Title:
  Set higher priority of glxinfo's result then Xorg's log for "Details"
  -> "Overview" -> "Graphics" info in control center.

Status in OEM Priority Project:
  New
Status in OEM Priority Project trusty series:
  New
Status in unity-control-center package in Ubuntu:
  Fix Released
Status in unity-control-center source package in Trusty:
  New

Bug description:
  Trusty (and Utopic) SRU Request:

  [Impact]

   * Set higher priority of glxinfo's result then Xorg's log for
  "Details" -> "Overview" -> "Graphics" info in Unity Control Center.

  [Test Case]

   * System with glxinfo installed (in mesa-utils) will show glxinfo's
  result first for  "Details" -> "Overview" -> "Graphics" info in Unity
  Control Center.

   * System without glxinfo will still parse Xorg's log for  "Details"
  -> "Overview" -> "Graphics" info in Unity Control Center.

  [Regression Potential]

   * Should be minimal, the info showed in glxinfo is more accurate.

  [Original Bug Info]

  In some of OEM's AMD platforms,

  open "System setting"->"Details"->"Graphics" from control center,

  find the Graphics Driver show VESA: XXXXXX strings ,

  not as accurate as what glxinfo -l | grep "OpenGL renderer string"
  shows.

  The "VESA:XXXX" string displayed in "System Settings-->Details->Graphics" was because
  unity-control-center will find the driver information via:

  (1) parse /var/log/Xorg.0.log and find "VESA VBE OEM Product:" String

  (2) if (1) is not found, parse the result of "glxinfo -l" and find
  "OpenGL renderer string", and use this info as the string being shown.

  There're some of AMD's fglrx driver will show "VESA VBE OEM Product:
  XXXXX" string in /var/log/Xorg.0.log,

  I've asked AMD and their reply is that the VESA BIOS message is traced
  by VBEInit (libvbe.so) , which is out of fglrx’s control.

  Curently this "VESA:XXXXX" string instead of the more accurate string
  from glxinfo was being shown in the panel.

  I think Use glxinfo's information (when available) first is more
  accurate.

  Private bugs were filed at:
  https://bugs.launchpad.net/bugs/1369859
  https://bugs.launchpad.net/bugs/1415303

  A merge proposal is submitted at
  https://code.launchpad.net/~timchen119/unity-control-center/unity-
  control-center.lp1417034/+merge/248220

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