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[Phillip Susi <psusi@xxxxxxxxxx>]

Public bug reported:

I was getting something like 50 fps playing minecraft the other day with
my new radeon r7 260x.  Today I updated the system and mesa went from
version 10.2.6-1ubuntu3 to 10.3.0-0ubuntu2, and the performance dropped
to ~12 fps.  I am trying to build the old version from sources to see if
downgrading mesa fixes the problem and then start bisecting, but I can't
find the proper sources or get them to build.  The bzr repo (
lp:ubuntu/mesa ) is out of date, and the Vcz-Git: header points to the
debian git repo, which git-buildpackage can't seem to build for me
anyhow.  Please advise on how to build and bisect to find the cause of
the problem.

** Affects: mesa (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1378608

Title:
  severe performance regression in minecraft

Status in “mesa” package in Ubuntu:
  New

Bug description:
  I was getting something like 50 fps playing minecraft the other day
  with my new radeon r7 260x.  Today I updated the system and mesa went
  from version 10.2.6-1ubuntu3 to 10.3.0-0ubuntu2, and the performance
  dropped to ~12 fps.  I am trying to build the old version from sources
  to see if downgrading mesa fixes the problem and then start bisecting,
  but I can't find the proper sources or get them to build.  The bzr
  repo ( lp:ubuntu/mesa ) is out of date, and the Vcz-Git: header points
  to the debian git repo, which git-buildpackage can't seem to build for
  me anyhow.  Please advise on how to build and bisect to find the cause
  of the problem.

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