I confirm, this thing is happening to my Lenovo IP320 PC too.
Emacs gives " is undefined" error often.
My PC Configuration-
Lenovo Ideapad 320
Processor: Core i3 (7th Gen) RAM: 8GB Graphics:
Ubuntu 18.04 LTS with Kernel 5.2.7 ( This issues happened with Kernel 4.19.*
too )
LightDM with XFCE
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1760013
** Package changed: linux-hwe (Ubuntu) => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1760013
Title:
Problems with Lenovo input devices (keyboard & touchpad)
To manage