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[Launchpad Bug Tracker <1215748@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.2.0-54.82

---------------
linux (3.2.0-54.82) precise; urgency=low

  [Steve Conklin]

  * Release Tracking Bug
    - LP: #1223490

  [ Upstream Kernel Changes ]

  * Revert "zram: use zram->lock to protect zram_free_page() in swap free
    notify path"
    - LP: #1215513
  * x86 thermal: Delete power-limit-notification console messages
    - LP: #1215748
  * x86 thermal: Disable power limit notification interrupt by default
    - LP: #1215748
  * ARM: 7810/1: perf: Fix array out of bounds access in
    armpmu_map_hw_event()
    - LP: #1216442
    - CVE-2013-4254
  * ARM: 7809/1: perf: fix event validation for software group leaders
    - LP: #1216442
    - CVE-2013-4254
  * xfs: fix _xfs_buf_find oops on blocks beyond the filesystem end
    - LP: #1151527
    - CVE-2013-1819
  * cifs: don't instantiate new dentries in readdir for inodes that need to
    be revalidated immediately
    - LP: #1222442
 -- Steve Conklin <sconklin@xxxxxxxxxxxxx>   Tue, 10 Sep 2013 12:54:53 -0500

** Changed in: linux (Ubuntu Precise)
       Status: Fix Committed => Fix Released

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2013-1819

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2013-4254

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https://bugs.launchpad.net/bugs/1215748

Title:
  [patch] Disable power limit notification by default and quiet the
  messages

Status in intel:
  New
Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Precise:
  Fix Released
Status in “linux” source package in Quantal:
  Fix Released
Status in “linux” source package in Raring:
  Fix Committed
Status in “linux” source package in Saucy:
  Fix Released

Bug description:
  If user enable RAPL, there will be many messages from power limit notification in kernel. 
  Power limit notification is for debug and information purpose. There is no need to dump power limit notification information for normal users. the following two patches in kernel 3.11 disable power limit notification by default and quiet the message.
  1. 
  commit 6bb2ff846f24fa6efee756e5e2a2b8433d65671e
  Author: Fenghua Yu <fenghua.yu@xxxxxxxxx>
  Date:   Tue May 21 15:35:17 2013 -0400

      x86 thermal: Disable power limit notification interrupt by default
  2. 
  commit c81147483e525e4a471d581877d7d634591246e1
  Author: Fenghua Yu <fenghua.yu@xxxxxxxxx>
  Date:   Tue May 21 15:35:16 2013 -0400

      x86 thermal: Delete power-limit-notification console messages

  So in order to avoid initerrputting  user by these messages, please
  back prot above two commmits to 12.04, 12.10, 13.04

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