https://bugs.kde.org/show_bug.cgi?id=460852
Bug ID: 460852
Summary: Touchscreen sometimes does not work after waking from
suspend
Classification: Plasma
Product: kwin
Version: 5.26.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: libinput
Assignee: kwin-bugs-n...@kde.org
Reporter: espi...@gmail.com
Target Milestone: ---
SUMMARY
An issue we have been having in Plasma Mobile for as long as I can remember, is
that the touchscreen sometimes stops being able to interact with anything after
waking from suspend.
We have confirmed that libinput indeed is still receiving these touch events in
these cases, however it seems something in between doesn't pass the events
along.
We have an issue with more details here:
https://invent.kde.org/teams/plasma-mobile/issues/-/issues/102
STEPS TO REPRODUCE
This only happens ~10% of the time, and I haven't found a reliable way to
reproduce it, so it is hard to trace down:
1. Suspend the phone
2. Wake the phone
3. Attempt to interact with the touchscreen
4. Attach keyboard and mouse, and unlock
5. Attempt to interact with the touchscreen while logged in
OBSERVED RESULT
Apps and the shell don't seem to receiving any input events
EXPECTED RESULT
Apps and shell receive input events
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Plasma Mobile on postmarketOS and Manjaro
KDE Plasma Version: 5.26
KDE Frameworks Version: 5.98
Qt Version: 5.15.6
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