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[Bug 1138787] Re: "Unknown unclaimed register" messages in haswell

 

** Also affects: linux (Ubuntu Raring)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1138787

Title:
  "Unknown unclaimed register" messages in haswell

Status in The Linux Kernel:
  Fix Released
Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Quantal:
  In Progress
Status in “linux” source package in Raring:
  New

Bug description:
  There are a number of troubling "Unknown unclaimed register" messages
  that get put to dmesg with default log level on haswell machines. Some
  of these are erroneous, for example indicative of untidy bios.

  This bug is basically a tracker bug for
  https://bugs.freedesktop.org/58897

  first round of patches is here:

  http://lists.freedesktop.org/archives/intel-
  gfx/2013-February/thread.html#24866

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