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[lpuser <1488426@xxxxxxxxxxxxxxxxxx>]

Also tested and reproduced the bug with the following kernels:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.3-rc1-unstable/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-unstable/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1.6-unstable/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0.9-wily/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19.8-vivid/

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https://bugs.launchpad.net/bugs/1488426

Title:
  High CPU usage of kworker/ksoftirqd

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  In Progress

Bug description:
  kworker consuming 71.5% cpu resource
  ksoftirqd consuming 28.9% cpu resource

  It leads to power consumption issue and sometimes leads to BT does not
  work.

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