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I don't know if these are related:
bug/1836237
bug/1847829
(probably not, but it's possible that some touchpad drivers are just
bad. Note that the first one affects every input device, including any
mouse you're using. Inputs stop working so often that I have a hotkey to
disable/enable them -
Sounds related to bug 1733083.
** Also affects: libinput (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1847675
Title:
Lenovo thinkpad T440s