This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1799180

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

** Tags added: cosmic

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https://bugs.launchpad.net/bugs/1799180

Title:
  Ubuntu 18.10 / Linux 4.19 -rc7/8 - System slows / stops

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Hi there folks sorry if it's inappropriate to report a bug in an
  upstream release candidate kernel, but as a suggested test / fix for
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796743 I was
  told to install an upstream kernel, which I did.

  When I run with that kernel for any length of time, or do anything
  involving high CPU (like run Firefox for instance) the system fan
  begins to whine and the system slows down to the point where it
  finally hangs.

  I tried to run 'ubuntu-bug linux' from the terminal, but when I do I
  get the error seen in the screenshot (attached).

  I'll go back to running 4.18 for now because not being able to sleep
  the laptop isn't a show stopper, but it's definitely something I
  consider important for a fully fledged operating system / work
  environment :)

  Thanks and please let me know if there's anything I can do to provide
  more data / help with testing / etc.

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