A similar problem happens on 18.04.1 while loading a text file.
https://bugs.launchpad.net/ubuntu/+bug/1805551
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https://bugs.launchpad.net/bugs/1025795
Title:
sp
** Changed in: gnome-shell (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1025795
Title:
spinning mouse cursor when having nautilu
Thank you for reporting this bug to Ubuntu.
Ubuntu 12.04 (precise) reached end-of-life on April 28, 2017.
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