kernel-packages team mailing list archive

[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-precise-
needed' to 'verification-precise-done'.

If verification is not done by one week from today, this fix will be
dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-precise

** Tags added: verification-needed-quantal

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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 Committed
Status in “linux” source package in Quantal:
  Fix Committed
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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