For the time being I have solved it by connecting an external mouse and
an extrenal mouse makes my mouse pointer work giving temporary relief.
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https://bugs.launchpad.net/bugs/1878279
I too have the same issue with my touchpad on Lenovo P72. Below are my
details.
Linux P72 5.4.0-42-generic #46-Ubuntu SMP Fri Jul 10 00:24:02 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux
** Attachment added: "acpidump output"
