100% CPU utilization

[A]

1) screenshot of top with 100% cpu
2) Backtrace attached using "typescript" program

I'm not sure why I have to include the following; isn't that one of the points of apport-bug, (which I used to report this)?

# apt-cache policy libreoffice
libreoffice:
  Installed: 1:5.1.6~rc2-0ubuntu1~xenial7
  Candidate: 1:5.1.6~rc2-0ubuntu1~xenial7
  Version table:
 *** 1:5.1.6~rc2-0ubuntu1~xenial7 500
        500 http://us.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages
        100 /var/lib/dpkg/status
     1:5.1.6~rc2-0ubuntu1~xenial6 500
        500 http://security.ubuntu.com/ubuntu xenial-security/universe amd64 Packages
     1:5.1.2-0ubuntu1 500
        500 http://us.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages

# lsb_release -rd
Description: Ubuntu 16.04.6 LTS
Release: 16.04

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: libreoffice 1:5.1.6~rc2-0ubuntu1~xenial7
ProcVersionSignature: Ubuntu 4.15.0-51.55~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-51-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
Date: Sat Jun 15 21:23:50 2019
InstallationDate: Installed on 2018-09-20 (268 days ago)
InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
ProcEnviron:
 LANGUAGE=en_US
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: libreoffice
UpgradeStatus: No upgrade log present (probably fresh install)

[Marcus Tomlinson (marcustomlinson)]

Hi again Andrew, as mentioned on the other bug you reported, we had a similar report about high CPU usage that turned out to be a troublesome extension rather than LibreOffice itself:

https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1825513

Please could you first try to disable any additional extension you have installed and see if the problem goes away.

Thank you!