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[Tim Gardner <tim.gardner@xxxxxxxxxxxxx>]

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

** Changed in: linux (Ubuntu)
     Assignee: Canonical Kernel Team (canonical-kernel-team) => Tim Gardner (timg-tpi)

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

** Also affects: linux (Ubuntu Xenial)
   Importance: High
     Assignee: Tim Gardner (timg-tpi)
       Status: Fix Committed

** Changed in: linux (Ubuntu Wily)
       Status: New => In Progress

** Changed in: linux (Ubuntu Wily)
     Assignee: (unassigned) => Tim Gardner (timg-tpi)

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https://bugs.launchpad.net/bugs/1559923

Title:
  [Bug]Lenovo Yoga 260 and Carbon X1 4th gen freeze on HWP enable

Status in intel:
  New
Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Wily:
  In Progress
Status in linux source package in Xenial:
  Fix Committed

Bug description:
  The moment HWP is enabled by writing MSR 0x770 to 0x01, the system freezes.
  This can be reproduced on two lenovo models
  Yoga 260
  Carbon X1 4th generatio

  Bugzilla:
  https://bugzilla.kernel.org/show_bug.cgi?id=110941
  https://bugzilla.kernel.org/show_bug.cgi?id=113551
  http://forums.debian.net/viewtopic.php?f=7&t=127415

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