[Bug 1929673] [NEW] thumbnail.so draws 100% CPU while other process is downloading a video

[JPT]

Public bug reported:

There is a bug known since 2017 that causes thumbnail.so to draw 100%
CPU when a media (video?) file keeps being constantly changed (eg
downloading or encoding)

https://bugs.kde.org/show_bug.cgi?id=376676

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: kio-extras 4:20.12.3-0ubuntu1
ProcVersionSignature: Ubuntu 5.11.0-17.18-generic 5.11.12
Uname: Linux 5.11.0-17-generic x86_64
ApportVersion: 2.20.11-0ubuntu65
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Wed May 26 11:07:56 2021
SourcePackage: kio-extras
UpgradeStatus: Upgraded to hirsute on 2021-05-16 (9 days ago)

** Affects: kio-extras (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug hirsute

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https://bugs.launchpad.net/bugs/1929673

Title:
  thumbnail.so draws 100% CPU while other process is downloading a video

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