flash overloads cpu, kills performance

Asked by A

Description: Ubuntu 16.04.6 LTS
Release: 16.04

# apt-cache policy flashplugin-installer
flashplugin-installer:
  Installed: 32.0.0.192ubuntu0.16.04.1
  Candidate: 32.0.0.192ubuntu0.16.04.1
  Version table:
 *** 32.0.0.192ubuntu0.16.04.1 500
        500 http://us.archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 Packages
        500 http://security.ubuntu.com/ubuntu xenial-security/multiverse amd64 Packages
        100 /var/lib/dpkg/status
     11.2.202.616ubuntu1 500
        500 http://us.archive.ubuntu.com/ubuntu xenial/multiverse amd64 Packages

System freezes for ten seconds and/or much longer.
I would say "See attached screenshot"... but that doesn't appear to be an option here.

Note CPU usage by plugin.
Also please note virtual memory usage by firefox, I don't know if it's relevant. I have 8GB RAM. I frequently have a dozen windows and 50+ tabs open. Some windows have many more tabs than others.

I have to wonder if this isn't a kernel bug? Or a top bug? How can a system use more than 100% of the CPU? Is it trying to somehow express the fact that I have 8 cores and 117% means something?

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actionparsnip (andrew-woodhead666) said :
#1

What web browsers have you tried?

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