kernel-packages team mailing list archive

[lpuser <1488426@xxxxxxxxxxxxxxxxxx>]

The issue seems to be fixed with the latest Ubuntu 14.04.3 kernel:

$ uname -a
Linux quasar 3.19.0-49-generic #55~14.04.1-Ubuntu SMP Fri Jan 22 11:24:31
UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

Can someone double check and confirm?

Thanks!

2016-02-01 0:52 GMT+02:00 DDS <1488426@xxxxxxxxxxxxxxxxxx>:

> Have this problem  on Dell Inspiron i7559-763BLK. Workaround for me is to
> plug in USB mouse.
> Ubuntu MATE 15.10, Linux 4.2.0-27-generic #32-Ubuntu SMP Fri Jan 22
> 04:49:08 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1488426
>
> Title:
>   High CPU usage of kworker/ksoftirqd
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/hwe-next/+bug/1488426/+subscriptions
>

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
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.

To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1488426/+subscriptions